Dr. Kris Radcliff's CV

Education: 

1996-2000 B.A., Biology cum laude Harvard University 

2000- 2004 MD Duke University School of Medicine 

Postgraduate Training and Fellowship Appointments: 

2004-2009 Residency Baylor College of Medicine, Dept of Orthopedic Surgery 2009-2010 Spinal Cord Injury and Spine Surgery Fellowship, Thomas Jefferson  University 

Faculty Appointments: 

Professor of Orthopedic Surgery and Neurological Surgery, Thomas Jefferson University. Faculty appointment commenced in 2010. 

Employment: 

2009-2022 Rothman Orthopedics 

2022-2024 Spinal DISC Center 

2022-present Progressive Spine and Orthopedics 

Hospital Affiliations: 

Inspira Medical Center 

Hudson Regional Medical Center 

Southern Ocean Medical Center 

Thomas Jefferson University Hospital 

Shore Medical Center Hospital 

Jersey Shore Ambulatory Surgery Center 

Carewell Medical Center 

Hospital and Administrative Appointments: 

Orthopedic Representative, Medical Excellence Committee (Atlanticare Regional  Medical Center) 2011-2020 

Surgeon Lead, Surgical Infection Prevention Committee (Atlanticare Regional Medical  Center) 2015-2020 

Specialty Certification: 

Diplomate, American Board of Orthopaedic Surgery 2012. 

Participating in Maintenance of Certification. Recertification active through 2032. 

Licensure: 

New Jersey and Pennsylvania and New York 

Awards, Honors and Membership in Honorary Societies: 

1. 1996-2000 Harvard College Faculty Scholarship 

2. 1996 National Merit Scholarship, National Merit Finalist 

3. 2000-2004 Duke University Dean’s Tuition Scholarship 

4. 2002-2003 Research Fellowship, Stanley J. Sarnoff Endowment for Science 5. 2007 Baylor College of Medicine Outstanding Resident Educator House Staff  Award 2008 AOA Resident Leadership Forum Representative 

5. 2009 AOA Emerging Leaders Forum Member 

6. 2011 Leonard Goldstein Award Winner. The incidence of lumbar adjacent  segment disease: A comparison of single level fusion procedures. Scoliosis  Research Society 

7. 2011 Best Poster Award Scoliosis Research Society: “Does Multilevel  Laminectomy Increase Risk of Adjacent Segment Spinal Disease” 

8. 2011 Best Paper Section North American Spine Society “Do Epidural Steroid  Injections Affect the Outcome of Lumbar Stenosis?” 

9. 2011 Best Paper Section North American Spine Society “Predictors of  Reoperation: A Subgroup Analysis of SPORT?” 

10. 2011 Best Poster Section North American Spine Society “Neurological Injury  Following Odontoid Nonunion” 

11. 2014 Best Paper Cervical Spine Research Society “Costs of Cervical Disc  Replacement versus Anterior Cervical Discectomy and Fusion for Treatment of  Single-Level Cervical Disc Disease: An Analysis of the Blue Health  Intelligence Database for Acute and Long-Term Costs and Complications.” 

12. 2016 North American Spine Society Best Paper “Does Sagittal Balance Influence  the Surgical Outcomes of Patients with Cervical Myelopathy?”

13. 2016 North American Spine Society Best Paper “Correlating Patient-Reported Outcomes to Patient Satisfaction in Patients’ with a Lumbar Disc Herniation” 15. 2016 North American Spine Society Best Paper “The Total Cost to the Health  Care System for the Treatment of Cervical Myelopathy” 

14. 2019 CSRS 1st Place Clinical Research Award Winner Presentation #66 The Real Costs of ACDF: A Time-Driven Activity-Based Costing Analysis 

15. 2020 ISASS Best Paper Award Nominee: Patient Outcomes Following Short segment Lumbar Fusion Are Not Affected by PI-LL Mismatch 

Memberships in Professional and Scientific Societies: 

National Societies 

2009-Present Member - American Spinal Injury Association 

2008-Present Member - North American Spine Society – Member 

2012-Present Candidate Member - Scoliosis Research Society 

2012 - Present Member - Cervical Spine Research Society 

2014 – Present Adjunct Member, American Academy of Neurological  Surgeons/Congress of Neurological Surgeons Joint Section on Spinal Disorders 2015 – Present Member – American Orthopaedic Association 

2015 – Present Member – Society for Lateral Access Surgery 

2015 – Present Member – International Society for the Advancement of Spine Surgery 2015 – Present Member – Society of Minimally Invasive Spine Surgery 2015 - Present Member, National Medical Association 

2009 – Present Member, J. Robert Gladden Society 

Local Societies: 

Pennsylvania Orthopedic Association’ 

New Jersey Spine Society 

New Jersey Orthopedic Society 

Professional and Scientific Committees 

International 

2015-2016 President, Association for Collaborative Spine Research 2015- Present Scoliosis Research Society Education Committee 

2015- Present Scoliosis Research Society Adult Deformity Committee 2017-2020 Reviewer, Evicore Spine Guidelines Committee 

2016-2019, American Academy of Orthopedic Surgeons Liason to the North American  Spine Society Low Back Pain Task Force 

2016-Present Member, Cervical Spine Research Society Registry Committee 2016-Present Member, Cervical Spine Research Society Awards Committee 2019-2020 Chairman, Cervical Spine Research Society Development Committee 2018-2022 Chairman, American Academy of Orthopaedic Surgeons Spine Instructional  Course Lecture Committee 

2017-Present Member, American Academy of Orthopaedic Surgeons Spine Content  Committee 

2018-2020 Society for Minimally Invasive Spine Surgery Strategic Leadership  Committee 

2019-2020 Chairman, Society for Minimally Invasive Spine Surgery External Relations  Committee 

2021-2022 J. Robert Gladden Society Liaison to Clinical Orthopaedics and Related  Research 

2021-2022 Associate Editor, Clinical Orthopaedics and Related Research 

National 

2019-Present Member, American Spine Registry Data Operations Committee 2019-2020 American Board of Orthopaedic Surgery Advisory Committee for Surgery of  the Spine Practice Profiled Recertification Examination Blueprint 

Regional 

2013-2017 Cervical Spine Research Society Research Committee/Program Reviewer 2013-2016 ProDisc Publication Committee 

2014-2016 LDR Cervical Disc Replacement Publication Committee 2018-2020 Aesculap ActiveL Publication Committee 

2024-present TOPS Data Safety and Monitoring Committee 

Editorial Positions: 

Guest Editor, Clinical Orthopedics and Related Research Symposium Issue on Spine  Complications November 2011 

Guest Editor, Seminars in Spine Surgery Issue on “Outcome and Values in Spine Care”  May 2014 

Guest Editor, Seminars in Spine Surgery September 2015 Issue “Degenerative Scoliosis” 

Research Metrics: 

Dr. Radcliff’s publications have been cited in peer reviewed medical literature 9767  times as of July 2026. 

Textbooks 

Daniel H. Kim, Alexander R. Vaccaro, Richard Glenn Fessler, Kris E. Radcliff (Editors). Spinal Instrumentation: Challenges and Solutions, 2nd Edition. Thieme  Medical Publishers, Inc, New York, New York (2017). Hardcover: 448 pp. 

Peer Reviewed Publications 

184. Hassanzadeh H, Weinstein MA, Lansford T, Beaumont A, Campbell P, Patel V,  Vokshoor A, Wind JJ, Radcliff K, Aleem I, Matheus V, Cowgill I, Ryaby J, Coric D. A  retrospective, controlled trial evaluation of pulsed electromagnetic field stimulation for  fusion success following lumbar spinal surgery. J Spine Surg. 2026 Jan 15;12(1):2. 

183. Lorio MP, Lewandrowski KU, Lavelle W, Essig DA, Yue J, Ratliff J, DiGiorgio A,  Kube R, Radcliff K, Shaffrey CI. ISASS Recommendations and Coverage Criteria for  Restorative Neurostimulation for Multifidus Dysfunction, Lumbar Region: Coverage  Indications, Limitations, and/or Medical Necessity - An ISASS 2025 Guideline Update.  Int J Spine Surg. 2025;19(6):760-767. 

182. Lorio MP, Kube RA, Ratliff J, DiGiorgio A, Essig DA, Radcliff K, Lewandrowski  KU, Block JE. ISASS Recommendations and Coverage Criteria for Bone-Anchored  Annular Defect Closure Following Lumbar Discectomy - An ISASS 2025 Policy Update. Int J Spine Surg. 2025;19(4):444-451. 

181. Patel V, Wind JJ, Aleem I, Lansford T, Weinstein MA, Vokshoor A, Campbell PG,  Beaumont A, Hassanzadeh H, Radcliff K, Matheus V, Coric D. Adjunctive Use of Bone  Growth Stimulation Increases Cervical Spine Fusion Rates in Patients at Risk for  Pseudarthrosis. Clin Spine Surg. 2024 May 1;37(4):124-130. 

180. Lansford T, Campbell P, Hassanzadeh H, Weinstein M, Wind J, Beaumont A,  Vokshoor A, Radcliff K, Aleem I, Coric D. Pulsed Electromagnetic Fields for Cervical  Spine Fusion in Patients with Risk Factors for Pseudarthrosis. Orthop Rev (Pavia). 2024  Oct 3;16:122534. 

179. Kelly MJ, Gelfand B, Radcliff K, Mo FF, Felix BA, Babak Kalantar S. Interim 1- Year Radiographic and Clinical Outcomes Following Anterior Cervical Discectomy and  Fusion Using Hydroxyapatite-Infused Polyetheretherketone Interbody Cages. Int J Spine  Surg. 2024 May 6;18(2):122-129. 

178. Albana MF, Chayes DR, Abuattieh OM, Radcliff KE. Microdiscectomy Insurance  Medical Necessity Criteria Are Inconsistent and Unnecessarily Restrictive. Int J Spine  Surg. 2024 Mar 4;18(1):1-8. 

177. Weinstein MA, Beaumont A, Campbell P, Hassanzadeh H, Patel V, Vokshoor A,  Wind J, Radcliff K, Aleem I, Coric D. Pulsed Electromagnetic Field Stimulation in  Lumbar Spine Fusion for Patients With Risk Factors for Pseudarthrosis. Int J Spine Surg.  2023 Dec 26;17(6):816-823. 

176. Markowitz M, Woods B, Schroeder G, Kepler C, Kaye D, Kurd M, Armstrong J,  Vaccaro A, Radcliff K. A Novel Multimodal Postoperative Pain Protocol for 1- to 2- Level Open Lumbar Fusions: A Retrospective Cohort Study. Int J Spine Surg. 2023 Dec  26;17(6):828-834. 

175. Karamian BA, Levy HA, DiMaria SL, Ju DG, Canseco JA, Yen W, Maheu A,  Mangan JJ, Goyal DKC, Radcliff KE, Kaye ID, Rihn JA, Hilibrand AS, Kepler CK,  Vaccaro AR, Schroeder GD. Effect of Clinical and Radiographic Degenerative  Spondylolisthesis Classification on Patient-reported Outcomes and Spinopelvic  Parameters for Patients With Single-level L4-L5 Degenerative Spondylolisthesis After  Lumbar Fusion. Clin Spine Surg. 2023 Oct 1;36(8):E345-E352. 

174. Karamian B, Kothari P, Toci G, Lambrechts MJ, Canseco J, Mao J, Narayan R,  Alfonsi S, Sirch F, Kheir N, Semenza N, Woods B, Rihn J, Kurd M, Radcliff K, Kaye  ID, Hilibrand A, Kepler C, Vaccaro AR, Schroeder G. Effect of Drain Duration and  Output on Perioperative Outcomes and Readmissions after Lumbar Spine Surgery. Asian  Spine J. 2023 Apr;17(2):262-271. 

173. Ledesma JA, Ottaway JC, Lambrechts MJ, Dees A, Thomas TL, Kurd MF, Radcliff KE, Anderson DG. Early Experience With Uniplanar Versus Biplanar Expandable  Interbody Fusion Devices in Single-Level Minimally Invasive Transforaminal Lumbar  Interbody Fusion. Neurospine. 2023 Jun;20(2):487-497. 

172. Ledesma JA, Lambrechts MJ, Dees A, Thomas T, Hiranaka CG, Kurd MF, Radcliff KE, Anderson DG. Static versus Expandable Interbody Fusion Devices: A Comparison  of 1-Year Clinical and Radiographic Outcomes in Minimally Invasive Transforaminal  Lumbar Interbody Fusion. Asian Spine J. 2023 Feb;17(1):61-74. 

171. Levy HA, Karamian BA, Canseco JA, Henstenburg J, Larwa J, Haislup B, Kaye ID,  Woods BI, Radcliff KE, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. Does a  High Postoperative Opioid Dose Predict Chronic Use After ACDF? World Neurosurg.  2023 Mar;171:e686-e692. 

170. Kaye ID, Sebastian AS, Wagner SC, Semenza N, Bowles D, Schroeder GD, Kepler  CK, Woods BI, Radcliff KE, Kurd MF, Rihn J, Anderson DG, Hilibrand AS, Vaccaro  AR. No Difference in Neck Pain or Health-Related Quality Measures Between Patients  With or Without Degenerative Cervical Spondylolisthesis. Global Spine J. 2023  Jul;13(6):1641-1645. 

169. Karamian BA, DiMaria SL, Sawires AN, Canseco JA, Basques BA, Toci GR,  Radcliff KE, Rihn JA, Kaye ID, Hilibrand AS, Lee JK, Kepler CK, Vaccaro AR,  Schroeder GD. Clinical Outcomes of Robotic Versus Freehand Pedicle Screw Placement  After One-to Three-Level Lumbar Fusion. Global Spine J. 2023 Sep;13(7):1871-1877. 

168. Toci GR, Canseco JA, Karamian BA, Chang M, Grasso G, Nicholson K, Pflug EM,  Russo GS, Tarazona D, Kaye ID, Kurd MF, Hilibrand AS, Woods BI, Rihn JA, Anderson DG, Radcliff KE, Kepler CK, Vaccaro AR, Schroeder GD. The impact of preoperative  neurological symptom severity on postoperative outcomes in cervical spondylotic  myelopathy. J Craniovertebr Junction Spine. 2022 Jan-Mar;13(1):94-100. 

167. Levy HA, Karamian BA, Vijayakumar G, Gilmore G, Canseco JA, Radcliff KE,  Kurd MF, Rihn JA, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. The impact  of case order and intraoperative staff changes on spine surgical efficiency. Spine J. 2022  Jul;22(7):1089-1099. 

166. Iyer S, Bovonratwet P, Samartzis D, Schoenfeld AJ, An HS, Awwad W, Blumenthal SL, Cheung JPY, Derman PB, El-Sharkawi M, Freedman BA, Hartl R, Kang JD, Kim  HJ, Louie PK, Ludwig SC, Neva MH, Pham MH, Phillips FM, Qureshi SA, Radcliff KE, Riew KD, Sandhu HS, Sciubba DM, Sethi RK, Valacco M, Zaidi HA, Zygourakis CC,  Makhni MC. Appropriate Telemedicine Utilization in Spine Surgery: Results From a  Delphi Study. Spine (Phila Pa 1976). 2022 Apr 15;47(8):583-590. 

165. DiMaria S, Karamian BA, Siegel N, Lambrechts MJ, Grewal L, Jeyamohan HR,  Robinson WA, Patel A, Canseco JA, Kaye ID, Woods BI, Radcliff KE, Kurd MF,  Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. Does Interbody Cage Lordosis  and Position Affect Radiographic Outcomes After Single-level Transforaminal Lumbar  Interbody Fusion? Clin Spine Surg. 2022 Nov 1;35(9):E674-E679. 

164. Karamian BA, Mangan J, Siegel N, Lambrechts MJ, Sirch F, Trivedi A, Toci G,  D'Antonio ND, Canseco JA, Kaye D, Woods B, Radcliff K, Kurd M, Rihn J, Hilibrand  A, Kepler CK, Vaccaro AR, Schroeder G. Workers' Compensation Status and Outcomes  Following Lumbar Surgery. World Neurosurg. 2022 May;161:e730-e739. 

163. Divi SN, Karamian BA, Canseco JA, Chang M, Toci GR, Goyal DKC, Nicholson  KJ, Mujica VE, Bronson W, Kaye ID, Kurd MF, Woods BI, Radcliff KE, Rihn JA,  Anderson DG, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. The Impact of  Upper Cervical Spine Alignment on Patient-reported Outcome Measures in Anterior  Cervical Decompression and Fusion. Clin Spine Surg. 2022 Jul 1;35(6):E539-E545. 

162. Divi SN, Woods BI, Goyal DKC, Nicholson KJ, Salmons HI, Galetta MS, Qureshi  MA, Lam ME, DiMatteo AL, Greg Anderson D, Kurd MF, Rihn JA, Kaye ID, Kepler  CK, Hilibrand AS, Vaccaro AR, Radcliff KE, Schroeder GD. How Do Patients With  Predominant Neck Pain Improve After Anterior Cervical Discectomy and Fusion for  Cervical Radiculopathy? Int J Spine Surg. 2022 Apr;16(2):240-246. 

161. Divi SN, Goyal DKC, Makanji HS, Kepler CK, Anderson DG, Warner ED, Galetta  MS, Hilibrand AS, Kaye ID, Kurd MF, Radcliff KE, Rihn JA, Woods BI, Vaccaro AR,  Schroeder GD. Does the Size or Location of Lumbar Disc Herniation Predict the Need  for Operative Treatment? Global Spine J. 2022 Mar;12(2):237-243. Presented at ISASS  2020. 

160. Spivak JM, Zigler JE, Philipp T, Janssen M, Darden B, Radcliff K. Segmental  Motion of Cervical Arthroplasty Leads to Decreased Adjacent-Level Degeneration:  Analysis of the 7-Year Postoperative Results of a Multicenter Randomized Controlled  Trial. Int J Spine Surg. 2022 Feb;16(1):186-193. 

159. Radcliff K, Leopold SS. Editor's Spotlight/Take 5: Race, But Not Gender, Is  Associated With Admissions Into Orthopaedic Residency Programs. Clin Orthop Relat  Res. 2022 Aug 1;480(8):1435-1440. 

158. Goyal DKC, Stull JD, Divi SN, Mangan JJ, Conaway WK, Foulger L, Nicholson  KJ, Kepler CK, Hilibrand AS, Woods BI, Radcliff KE, Greg Anderson D, Kurd MF,  Rihn JA, David Kaye I, Vaccaro AR, Schroeder GD. Does Cervical Spondylolisthesis  Influence Patient-Reported Outcomes After Anterior Cervical Discectomy and Fusion  Surgery? Int J Spine Surg. 2021 Dec;15(6):1161-1166. 

157. Levy HA, Karamian BA, Henstenburg J, Larwa J, Canseco JA, Haislup B, Chang  M, Patel P, Radcliff KE, Woods BI, Kurd MF, Hilibrand AS, Kepler CK, Vaccaro AR,  Schroeder GD. The impact of preoperative motor weakness on postoperative opioid use  after ACDF. J Orthop. 2021 Jun 30;26:23-28. 

156. DiMaria S, Karamian BA, Lambrechts MJ, Kanhere AP, Mangan JJ, Yen WW,  Maheu A, Qureshi MA, Canseco JA, Kaye DI, Woods BI, Kurd MF, Radcliff KE,  Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. How does spinopelvic alignment  influence short-term clinical outcomes after lumbar fusion in patients with single-level  degenerative spondylolisthesis? J Craniovertebr Junction Spine. 2022 Jul-Sep;13(3):300- 308. 

155. Patel VV, Billys J, Okonkwo DO, He DY, Ryaby JT, Radcliff K. Three- and 4- Level Lumbar Arthrodesis Using Adjunctive Pulsed Electromagnetic Field Stimulation:  A Multicenter Retrospective Evaluation of Fusion Rates and a Review of the Literature.  Int J Spine Surg. 2021 Apr;15(2):228-233. 

154. Divi SN, Bronson WH, Canseco JA, Chang M, Goyal DKC, Nicholson KJ, Mujica  VE, Kaye ID, Kurd MF, Woods BI, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS,  Kepler CK, Vaccaro AR, Schroeder GD. How do C2 tilt and C2 slope correlate with  patient reported outcomes in patients after anterior cervical discectomy and fusion? Spine J. 2021 Apr;21(4):578-585. 

153. Albana MF, Griffiths SZ, Radcliff KE. A Rare T2-T3 Synovial Facet Cyst Causing  Progressive Myelopathy. Case Rep Orthop. 2021 Jun 29;2021:2799749. 

152. Divi SN, Woods BI, Goyal DKC, Galetta MS, Nicholson KJ, Dimatteo AL, Lam  ME, Qureshi MA, Anderson DG, Kurd MF, Rihn JA, Kaye ID, Kepler CK, Hilibrand  AS, Vaccaro AR, Radcliff KE, Schroeder GD. Do Patients with Back Pain-Dominant  Symptoms Improve After Lumbar Surgery for Radiculopathy or Claudication? Int J  

Spine Surg. 2021 Aug;15(4):780-787. 

151. Radcliff K, Zigler J, Braxton E, Buttermann G, Coric D, Derman P, Garcia R,  Jorgensen A, Ferko NC, Situ A, Yue J. Final Long-Term Reporting from a Randomized  Controlled IDE Trial for Lumbar Artificial Discs in Single-Level Degenerative Disc  Disease: 7-Year Results. Int J Spine Surg. 2021 Aug;15(4):612-632. 

150. Goyal DKC, Tarazona DA, Segar A, Sutton R, Motto MA, Divi SN, Galetta MS,  Hilibrand AS, Kaye ID, Kurd MF, Radcliff KE, Rihn JA, Anderson DG, Kepler CK,  Hsu V, Woods B, Vaccaro AR, Schroeder GD. Lumbar Pedicle Morphology and  Vertebral Dimensions in Isthmic and Degenerative Spondylolisthesis-A Comparative  Study. Int J Spine Surg. 2021 Apr;15(2):243-250. 

149. Divi SN, Kepler CK, Hilibrand AS, Goyal DKC, Mujica VE, Radcliff KE,  Anderson DG, Kurd MF, Rihn JA, Kaye ID, Woods BR, Vaccaro AR, Schroeder GD.  Patient Outcomes Following Short-segment Lumbar Fusion Are Not Affected by PI-LL  Mismatch. Clin Spine Surg. 2021 Mar 1;34(2):73-77. Presented at LSRS 2019 and ISASS 2020. 

148. Divi SN, Goyal DKC, Stull JD, Morgenstern M, Galetta MS, Kaye ID, Kurd MF,  Woods BI, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro  AR, Schroeder GD. Depression Identified on the Mental Component Score of the Short  Form-12 Affects Health Related Quality of Life After Lumbar Decompression Surgery.  Clin Spine Surg. 2021 Apr 1;34(3):E126-E132. 

147. Goyal DKC, Stull JD, Divi SN, Galetta MS, Bowles DR, Nicholson KJ, Kaye ID,  Woods BI, Kurd MF, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK,  Vaccaro AR, Schroeder GD. Combined Depression and Anxiety Influence Patient Reported Outcomes after Lumbar Fusion. Int J Spine Surg. 2021 Apr;15(2):234-242. 

146. Divi SN, Goyal DKC, Hoffman E, Conaway WK, Galetta MS, Bowles DR,  Houlihan NV, Bechay JF, McEntee RM, Kaye ID, Kurd MF, Woods BI, Radcliff KE,  Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. How  Does the Presence of a Surgical Trainee Impact Patient Outcomes in Lumbar Fusion  Surgery? Int J Spine Surg. 2021 Jun;15(3):471-477. Presented at LSRS 2019. 

145. Kreitz TM, Mangan J, Schroeder GD, Kepler CK, Kurd MF, Radcliff KE, Woods  BI, Rihn JA, Anderson DG, Vaccaro AR, Hilibrand AS. Do Preoperative Epidural  Steroid Injections Increase the Risk of Infection After Lumbar Spine Surgery? Spine  (Phila Pa 1976). 2021 Feb 1;46(3):E197-E202. Presented at NASS 2018. 

144. Mangan JJ, Goyal DKC, Divi SN, Bowles DR, Nicholson KJ, Mujica VE, Lee TJ,  DePaola RV, Saline A, Fang T, Galetta MS, Kaye ID, Kurd MF, Woods BI, Radcliff  KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD.  Does Smoking Status Influence Health-Related Quality of Life Outcome Measures in  Patients Undergoing ACDF? Global Spine J. 2021 Jan;11(1):50-56. 

143. Goyal DKC, Divi SN, Bowles DR, Nicholson KJ, Mujica VE, Kaye ID, Kurd MF,  Woods BI, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro  AR, Schroeder GD. Does Smoking Affect Short-Term Patient-Reported Outcomes After  Lumbar Decompression? Global Spine J. 2021 Jun;11(5):727-732. 

142. Goyal DKC, Divi SN, Bowles DR, Nicholson KJ, Mujica VE, Kaye ID, Kurd MF,  Woods BI, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro  AR, Schroeder GD. How Does Smoking Influence Patient-reported Outcomes in Patients  After Lumbar Fusion? Clin Spine Surg. 2021 Feb 1;34(1):E45-E50. 

141. Callanan G, Radcliff KE. Cervical Total Disc Replacement: Long-Term Outcomes.  Neurosurg Clin N Am. 2021 Oct;32(4):461-472. 

140. Divi SN, Goyal DKC, Makanji HS, Kepler CK, Anderson DG, Warner ED, Galetta  MS, Mujica VE, Houlihan NV, Kaye ID, Kurd MF, Woods BI, Radcliff KE, Rihn JA,  Hilibrand AS, Vaccaro AR, Schroeder GD. Can Imaging Characteristics on Magnetic  Resonance Imaging Predict the Acuity of a Lumbar Disc Herniation? Int J Spine Surg.  2021 Jun;15(3):458-465. Presented at LSRS 2019 and ISASS 2020. 

139. Goyal DKC, Divi SN, Bowles DR, Mujica VE, Guzek R, Kaye ID, Kurd MF,  Woods BI, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro  AR, Schroeder GD. How do spinopelvic parameters influence patient-reported outcome  measurements after lumbar decompression? Spine J. 2020 Oct;20(10):1610-1617. 

138. Kreiner DS, Matz P, Bono CM, Cho CH, Easa JE, Ghiselli G, Ghogawala Z,  Reitman CA, Resnick DK, Watters WC 3rd, Annaswamy TM, Baisden J, Bartynski WS,  Bess S, Brewer RP, Cassidy RC, Cheng DS, Christie SD, Chutkan NB, Cohen BA,  Dagenais S, Enix DE, Dougherty P, Golish SR, Gulur P, Hwang SW, Kilincer C, King  JA, Lipson AC, Lisi AJ, Meagher RJ, O'Toole JE, Park P, Pekmezci M, Perry DR, Prasad R, Provenzano DA, Radcliff KE, Rahmathulla G, Reinsel TE, Rich RL Jr, Robbins DS,  Rosolowski KA, Sembrano JN, Sharma AK, Stout AA, Taleghani CK, Tauzell RA,  Trammell T, Vorobeychik Y, Yahiro AM. Guideline summary review: an evidence-based clinical guideline for the diagnosis and treatment of low back pain. Spine J. 2020  Jul;20(7):998-1024. 

137. Miller LE, Allen RT, Duhon B, Radcliff KE. Expert review with meta-analysis of  randomized and nonrandomized controlled studies of Barricaid annular closure in  patients at high risk for lumbar disc reherniation. Expert Rev Med Devices. 2020  May;17(5):461-469. 

136. Limthongkul W, Tanasansomboon T, Yingsakmongkol W, Tanaviriyachai T,  Radcliff K, Singhatanadgige W. Indirect Decompression Effect to Central Canal and  Ligamentum Flavum After Extreme Lateral Lumbar Interbody Fusion and Oblique  Lumbar Interbody Fusion. Spine (Phila Pa 1976). 2020 Sep 1;45(17):E1077-E1084. 

135. Divi SN, Goyal DKC, Galetta MS, Fang T, Padua FG, Reyes AA, Kaye ID, Kurd  MF, Woods BI, Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK,  Vaccaro AR, Schroeder GD. How Does Body Mass Index Influence Outcomes in  Patients After Lumbar Fusion? Spine (Phila Pa 1976). 2020 Apr 15;45(8):555-561. 

134. Goyal DKC, Murphy HA, Hollern DA, Divi SN, Nicholson K, Stawicki C, Kaye ID, Schroeder GD, Woods BI, Kurd MF, Rihn JA, Anderson DG, Kepler CK, Hilibrand AS,  Vaccaro AR, Radcliff KE. Is the Neck Disability Index an Appropriate Measure for  Changes in Physical Function After Surgery for Cervical Spondylotic Myelopathy? Int J  Spine Surg. 2020 Feb 29;14(1):53-58. 

133. Hoffman EG, Jain D, Radcliff K, Fischer CR, Hilibrand AS, Razi AE. Management of Adult Lumbar Spine Problems for General Orthopaedic Surgeons: A Practical Guide.  Instr Course Lect. 2020;69:597-606. 

132. Mangan JJ, Tadley M, Divi SN, Stull JD, Goyal DKC, McKenzie JC, Casper DS,  Galetta MS, Kaye ID, Kurd MF, Woods BI, Radcliff KE, Rihn JA, Anderson DG,  Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD. The Impact of Multiple  Comorbid Mental Health Disorders on Health-related Quality of Life Following ACDF.  Clin Spine Surg. 2020 Dec;33(10):E472-E477. 

131. Radcliff KE, Harris JA, Klocke NF, Cai Y, Hao JC, Bucklen BS. Guidelines for  cortical screw versus pedicle screw selection from a fatigued decompressive lumbar  laminectomy model show similar stability and less bone mineral density dependency.  Clin Biomech (Bristol). 2020 Dec;80:105195. 

130. Schroeder GD, Radcliff KE, Vaccaro AR, Murphy H, Sutton RM, Lurie JD, Zhao  W, Hilibrand AS. Comparing Patient-reported Outcomes to Patient Satisfaction After a  Microdiscectomy for Patient's With a Lumbar Disk Herniation. Clin Spine Surg. 2020  Mar;33(2):82-88. 

129. Goyal DKC, Divi SN, Schroeder GD, Pfeifer R, Canseco JA, Bowles DR, Nicholson KJ, Patel PD, Reyes AA, Radcliff KE, Kurd MF, Woods BI, Kaye ID, Rihn JA,  Anderson DG, Hilibrand AS, Kepler CK, Harrop JS, Vaccaro AR. Development of a  Telemedicine Neurological Examination for Spine Surgery: A Pilot Trial. Clin Spine  Surg. 2020 Nov;33(9):355-369. 

128. Radcliff K, Economics of Cervical Disc Replacement. Int J Spine Surg. 2020  Aug;14(s2):S67-S72. 

127. Mangan JJ 3rd, Divi SN, McKenzie JC, Stull JD, Goyal DKC, Nicholson KJ,  Galetta MS, Wagner SC, Kaye ID, Kurd MF, Woods BI, Radcliff KE, Rihn JA,  Anderson DG, Hilibrand AS, Vaccaro AR, Schroeder GD, Kepler CK. Proton Pump  Inhibitor Use Affects Pseudarthrosis Rates and Influences Patient-Reported Outcomes.  Global Spine J. 2020 Feb;10(1):55-62. 

126. Galetta M, Radcliff KE, Hilibrand AS, Vaccaro AR, Yeon HB. Worker's  Compensation Terminology. Clin Spine Surg. 2020 Aug;33(7):280-283. 

125. Divi SN, Goyal DKC, Galetta MS, Guzek R, Kaye ID, Kurd MF, Woods BI,  Radcliff KE, Rihn JA, Anderson DG, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder 

GD. Are Patient Outcomes Affected by the Presence of a Fellow or Resident in Lumbar  Decompression Surgery? Spine (Phila Pa 1976). 2021 Jan 1;46(1):35-40. 

124. Daffner SD, Kim DH, Radcliff KE, Smith HE. Avoiding and Managing  Complications in Routine Lumbar Spine Surgery. Instr Course Lect. 2019;68:305-316. 

123. Cook CR, Gaston T, Woods B, Orozco F, Ong A, Radcliff K. Operative Field  Debris Often Rises to the Level of the Surgeon's Face Shield During Spine Surgery: Are  Orthopedic Space Suits a Reasonable Solution? Int J Spine Surg. 2019 Dec 31;13(6):501- 506. 

122. Hollern DA, Woods BI, Shah NV, Schroeder GD, Kepler CK, Kurd MF, Kaye ID,  Millhouse PW, Diebo BG, Paulino CB, Hilibrand AS, Vaccaro AR, Radcliff KE. Risk  Factors for Pseudarthrosis After Surgical Site Infection of the Spine. Int J Spine Surg.  2019 Dec 31;13(6):507-514. 

121. Lucasti CJ, Dworkin M, Radcliff KE, Nicholson K, Lucasti CJ, Woods BI. What  Factors Predict Failure of Nonsurgical Management of a Lumbar Surgical Site Infection?  Int J Spine Surg. 2019 Jun 30;13(3):239-244. 

120. Salmons HI, Lendner M, Divi SN, Dworkin M, McKenzie J, Tarazona D, Gala Z,  Lendner Y, Woods B, Kaye D, Savage J, Kepler C, Kurd M, Hsu V, Radcliff K, Rihn J,  Anderson G, Hilibrand A, Vaccaro A, Schroeder G. Effects of Operating Room Size on  Surgical Site Infection Following Lumbar Fusion Surgery. Int J Spine Surg. 2019 Oct  31;13(5):423-428. Presented at NASS 2018. 

119. Segar AH, Divi SN, Tarazona D, Fried T, Sandhu H, Kaye ID, Kepler CK, Kurd  MF, Woods BI, Hilibrand AS, Radcliff KE, Rihn JA, Anderson DG, Vaccaro AR,  Schroeder GD. Non-mobile Adjacent Level Cervical Spondylolisthesis Does Not Always Require Fusion in Patients Undergoing ACDF. Spine (Phila Pa 1976). 2019  Sep;44(18):1287-1293. 

118. Schroeder GD, McKenzie JC, Casper DS, Mangan JJ, Stull J, Kepler CK, Nicholson KJ, Kurd MF, Hilibrand AS, Murphy H, Woods BI, Radcliff KE, Anderson DG,  Vaccaro AR, Rihn JA. Does an Uninstrumented Level Increase the Rate of Revision  Surgery in a Multilevel Posterior Cervical Decompression and Fusion? Clin Spine Surg.  2019 Dec;32(10):E416-E419. 

117. Casper DS, Schroeder GD, McKenzie J, Zmistowski B, Vatson J, Mangan J, Stull J,  Kurd M, Rihn JA, Anderson DG, Kaye DI, Radcliff K, Woods B, Hilibrand AS, Vaccaro AR, Kepler CK. Medicaid Reimbursement for Common Spine Procedures: Are  Compensation Rates Consistent? Spine (Phila Pa 1976). 2019 Nov 15;44(22):1585-1590. 

116. Divi SN, Schroeder GD, Goyal DKC, Radcliff KE, Galetta MS, Hilibrand AS,  Anderson DG, Kurd MF, Rihn JA, Kaye ID, Woods BR, Vaccaro AR, Kepler CK.  

Fusion technique does not affect short-term patient-reported outcomes for lumbar  degenerative disease. Spine J. 2019 Dec;19(12):1960-1968. 

115. Tarazona DA, Radcliff KE. Value of Cervical Disk Arthroplasty. Clin Spine Surg.  2019 Feb;32(1):4-9. 

114. Schroeder GD, McKenzie JC, Casper DS, Kurd MF, Hilibrand AS, Woods BI,  Radcliff KE, Rihn JA, Anderson DG, Vaccaro AR, Kepler C. The Total Cost to the  Health Care System in Medicare and Medicaid Patients for the Treatment of Cervical  Myelopathy. Clin Spine Surg. 2019 Feb;32(1):32-37. Presented at NASS 2016; also  presented as a poster at CSRS 2015. 

113. Radcliff K, Vaccaro AR, Hilibrand A, Schroeder GD, Kurd MF. Lasers in Spine  Surgery. J Am Acad Orthop Surg. 2019 Sep 1;27(17):621-632. 

112. Passias PG, Hasan S, Radcliff K, Isaacs R, Bianco K, Jalai CM, Poorman GW,  Worley NJ, Horn SR, Boniello A, Zhou PL, Arnold PM, Hsieh P, Vaccaro AR, Gerling  MC. Arm Pain Versus Neck Pain: A Novel Ratio as a Predictor of Post-Operative  Clinical Outcomes in Cervical Radiculopathy Patients. Int J Spine Surg. 2018 Oct  15;12(5):629-637. 

111. Wilson JR, Radcliff K, Schroeder G, Booth M, Lucasti C, Fehlings M, Ahmad N,  Vaccaro A, Arnold P, Sciubba D, Ching A, Smith J, Shaffrey C, Singh K, Darden B,  Daffner S, Cheng I, Ghogawala Z, Ludwig S, Buchowski J, Brodke D, Wang J, Lehman  RA, Hilibrand A, Yoon T, Grauer J, Dailey A, Steinmetz M, Harrop JS. Frequency and  Acceptability of Adverse Events After Anterior Cervical Discectomy and Fusion: A  Survey Study From the Cervical Spine Research Society. Clin Spine Surg. 2018  Jun;31(5):E270-E277. 

110. Butler JS, Wagner SC, Morrissey PB, Kaye ID, Sebastian AS, Schroeder GD,  Radcliff K, Vaccaro AR. Strategies for the Prevention and Treatment of Surgical Site  Infection in the Lumbar Spine. Clin Spine Surg. 2018 Oct;31(8):323-330. 

109. Schroeder GD, Kurd MF, Kepler CK, Radcliff KE, Maltenfort MG, Murphy H,  Rihn JA, Anderson DG, Hilibrand AS, Vaccaro AR. The Effect of Hospital Ownership  on Health Care Utilization in Orthopedic Surgery. Clin Spine Surg. 2018 Mar;31(2):73- 79. 

108. Sobol GL, Hilibrand A, Davis A, Millhouse P, Koerner J, Kepler C, Schroeder GD,  Krystal JD, Olsson EC, Rihn J, Anderson DG, Vaccaro A, Radcliff K. Reliability and  Clinical Utility of the CARDS Classification for Degenerative Spondylolisthesis. Clin  Spine Surg. 2018 Feb;31(1):E69-E73. 

107. Murphy HA, Warnick E, McEntee R, Nicholson K, Hollern DA, Stawicki C,  Tarazona D, Schroeder GD, Woods BI, Kurd MF, Rihn JA, Anderson GD, Kepler CK,  Hilibrand AS, Vaccaro AR, Radcliff KE. Which Domains of the ODI Best Predict  

Change in Physical Function in Patients After Surgery for Degenerative Lumbar  Spondylolisthesis? Spine (Phila Pa 1976). 2018 Jun 1;43(11):805-812. 

106. Schroeder GD, Boody BS, Kepler CK, Kurd MF, Silva S, Nicholson K, Wilson JR,  Woods BI, Radcliff KE, Anderson DG, Hilibrand AS, Vaccaro AR, Rihn JA. Comparing Health-Related Quality of Life Outcomes in Patients Undergoing Either Primary or  Revision Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976). 2018 Jul  1;43(13):E752-E757. 

105. Radcliff K, Spivak J, Darden B 2nd, Janssen M, Bernard T, Zigler J. Five-Year  Reoperation Rates of 2-Level Lumbar Total Disk Replacement Versus Fusion: Results of  a Prospective, Randomized Clinical Trial. Clin Spine Surg. 2018 Feb;31(1):37-42. 

104. Cahill CW, Radcliff KE, Reitman CA. Enhancing Evaluation of Cervical Spine:  Thresholds for Normal CT Relationships in the Subaxial Cervical Spine. Int J Spine Surg. 2018 Aug 31;12(4):510-519. 

103. Schroeder GD, Hilibrand AS, Kepler CK, McKenzie JC, Nicholson KJ, Stawicki C,  Paul J, Kumar P, Hollern DA, Murphy H, Milhouse PW, Kurd MF, Woods BI, Radcliff  KE, Anderson DG, Vaccaro AR, Rihn JA. Utilization of Time-driven Activity-based  Costing to Determine the True Cost of a Single or 2-level Anterior Cervical Discectomy  and Fusion. Clin Spine Surg. 2018 Dec;31(10):452-456. 

102. Schroeder GD, McKenzie JC, Casper DS, Stake S, Buchholz J, Kepler C, Rihn JA,  Woods BI, Radcliff KE, Kaye ID, Nicholson K, Anderson DG, Hilibrand AS, Vaccaro  AR, Khan S, Kurd MF. Descriptive Analysis of Associated Factors for Urgent Versus  Nonurgent Inpatient Spine Transfers to a Tertiary Care Hospital. Am J Med Qual. 2018  Nov/Dec;33(6):623-628. 

101. D'Oro A, Buser Z, Brodke DS, Park JB, Yoon ST, Youssef JA, Meisel HJ, Radcliff  KE, Hsieh P, Wang JC. Trends and Costs of External Electrical Bone Stimulators and  Grafting Materials in Anterior Lumbar Interbody Fusion. Asian Spine J. 2018  Dec;12(6):973-980. 

100. Radcliff K, Jalai C, Vira S, Yang S, Boniello AJ, Bianco K, Oh C, Gerling M,  Poorman G, Horn SR, Buza JA 3rd, Isaacs RE, Vaccaro AR, Passias PG. Two-Year  Results of the Prospective Spine Treatment Outcomes Study: Analysis of Postoperative  Clinical Outcomes Between Patients with and without a History of Previous Cervical  Spine Surgery. World Neurosurg. 2018 Jan;109:e144-e149. 

99. Schroeder GD, Kurd MF, Kepler CK, Radcliff KE, Maltenfort MG, Murphy H, Rihn JA, Anderson DG, Hilibrand AS, Vaccaro AR. Are Patients Undergoing an Anterior  Cervical Discectomy and Fusion Treated Differently at a Physician-owned Hospital? Clin Spine Surg. 2018 Jun;31(5):211-215. Presented at NASS 2015. 

98. Radcliff KE, Schroeder GD. Letter to the editor regarding 'Percutaneous laser disc  decompression versus conventional microdiscectomy for patients with sciatica: Two-year results of a randomised controlled trial'. Interv Neuroradiol. 2018 Jun;24(3):351-352. 

97. Radcliff K, Smith H, Kalantar B, Isaacs R, Woods B, Vaccaro AR, Brannon J.  Feasibility of Endoscopic Inspection of Pedicle Wall Integrity in a Live Surgery Model.  Int J Spine Surg. 2018 Aug 3;12(2):241-249. Presented at ISASS 2017. 

96. Gerling MC, Radcliff K, Isaacs R, Bianco K, Jalai CM, Worley NJ, Poorman GW,  Horn SR, Moon J, Arnold PM, Vaccaro AR, Passias P. Trends in Nonoperative  Treatment Modalities Prior to Cervical Surgery and Impact on Patient-Derived  Outcomes: Two-Year Analysis of 1522 Patients From the Prospective Spine Treatment  Outcome Study. Int J Spine Surg. 2018 Aug 3;12(2):250-259. 

95. Radcliff K, Vijay P, Sarris RF, Speltz M, Vose JG. Preclinical Comparison of  Thermal Tissue Effects from Traditional Electrosurgery and a Low-Temperature  Electrosurgical Device during Anterior Cervical Discectomy and Fusion. Int J Spine  Surg. 2018 Aug 31;12(4):483-489. 

94. Devin CJ, Chotai S, McGirt MJ, Vaccaro AR, Youssef JA, Orndorff DG, Arnold PM, Frempong-Boadu AK, Lieberman IH, Branch C, Hedayat HS, Liu A, Wang JC, Isaacs  RE, Radcliff KE, Patt JC, Archer KR. Intrawound Vancomycin Decreases the Risk of  Surgical Site Infection After Posterior Spine Surgery: A Multicenter Analysis. Spine  (Phila Pa 1976). 2018 Jan 1;43(1):65-71. Presented at NASS 2015. 

93. Nicholson KJ, Millhouse PW, Pflug E, Woods B, Schroeder GD, Anderson DG,  Hilibrand AS, Kepler CK, Kurd MF, Rihn JA, Vaccaro A, Radcliff KE. Cervical Sagittal Range of Motion as a Predictor of Symptom Severity in Cervical Spondylotic  Myelopathy. Spine (Phila Pa 1976). 2018 Jul 1;43(13):883-889. 

92. Diebo BG, Tishelman JC, Horn S, Poorman GW, Jalai C, Segreto FA, Bortz CA,  Gerling MC, Lafage V, White AP, Mok JM, Cha TD, Eastlack RK, Radcliff KE, Paulino CB, Passias PG. The impact of mental health on patient-reported outcomes in cervical  radiculopathy or myelopathy surgery. J Clin Neurosci. 2018 Aug;54:102-108. 

91. Leckie S, Yoon ST, Isaacs R, Radcliff K, Fessler R, Haid R Jr, Traynelis V.  Perioperative Complications of Cervical Spine Surgery: Analysis of a Prospectively  Gathered Database through the Association for Collaborative Spinal Research. Global  Spine J. 2016 Nov;6(7):640-649. 

90. Anderson PA, Savage JW, Vaccaro AR, Radcliff K, Arnold PM, Lawrence BD,  Shamji MF. Prevention of Surgical Site Infection in Spine Surgery. Neurosurgery. 2017  Mar 1;80(3S):S114-S123. 

89. Schroeder GD, Coric D, Kim HJ, Albert TJ, Radcliff KE. Are patient-reported  outcomes predictive of patient satisfaction 5 years after anterior cervical spine surgery?  Spine J. 2017 Jul;17(7):943-952. Presented at CSRS 2016. 

88. Russo GS, Whang PG, Woods BI, Radcliff K. Is the SIJ a Cause of Pain that can be  Accurately Identified and Treated With an SI Fusion? Clin Spine Surg. 2017  Jun;30(5):187-190. 

87. Radcliff K, Davis RJ, Hisey MS, Nunley PD, Hoffman GA, Jackson RJ, Bae HW,  Albert T, Coric D. Long-term Evaluation of Cervical Disc Arthroplasty with the Mobi C© Cervical Disc: A Randomized, Prospective, Multicenter Clinical Trial with Seven Year Follow-up. Int J Spine Surg. 2017 Nov 28;11(4):31. 

86. Gerling MC, Leven D, Passias PG, Lafage V, Bianco K, Lee A, Morgan TS, Lurie  JD, Tosteson TD, Zhao W, Spratt KF, Radcliff K, Errico TJ. Risk Factors for  Reoperation in Patients Treated Surgically for Degenerative Spondylolisthesis: A  Subanalysis of the 8-year Data From the SPORT Trial. Spine (Phila Pa 1976). 2017 Oct  15;42(20):1559-1569. 

85. Diebo BG, Jalai CM, Challier V, Marascalchi BJ, Horn SR, Poorman GW, Bono OJ,  Cherkalin D, Worley N, Oh J, Naziri Q, Spitzer A, Radcliff K, Patel A, Lafage V,  Paulino CB, Passias PG. Novel Index to Quantify the Risk of Surgery in the Setting of  Adult Spinal Deformity: A Study on 10,912 Patients From the Nationwide Inpatient  Sample. Clin Spine Surg. 2017 Aug;30(7):E993-E999. 

84. Rihn JA, Radcliff K, Norvell DC, Eastlack R, Phillips FM, Berland D, Sherry N,  Freedman M, Vaccaro AR. Comparative Effectiveness of Treatments for Chronic Low  Back Pain: A Multiple Treatment Comparison Analysis. Clin Spine Surg. 2017  Jun;30(5):204-225. 

83. Leven D, Meaike J, Radcliff K, Qureshi S. Cervical disc replacement surgery:  indications, technique, and technical pearls. Curr Rev Musculoskelet Med. 2017  Jun;10(2):160-169. 

82. Gerling MC, Radcliff K, Isaacs R, Bianco K, Jalai CM, Worley NJ, Parmar J,  Poorman GW, Horn SR, Moon JY, Arnold PM, Vaccaro AR, Passias P. Two-Year  Results of the Prospective Spine Treatment Outcomes Study: An Analysis of  Complication Rates, Predictors of Their Development, and Effect on Patient Derived  Outcomes at 2 Years for Surgical Management of Cervical Spondylotic Myelopathy.  World Neurosurg. 2017 Oct;106:247-253. 

81. Calio BP, Kepler CK, Koerner JD, Rihn JA, Millhouse P, Radcliff KE. Outcome of a Resident Spine Surgical Skills Training Program. Clin Spine Surg. 2017  Oct;30(8):E1126-E1129. 

80. Radcliff K, Ong KL, Lovald S, Lau E, Kurd M. Cervical Spine Surgery  Complications and Risks in the Elderly. Spine (Phila Pa 1976). 2017 Mar 15;42(6):E347- E354. 

79. Vaccaro AR, Koerner JD, Radcliff KE, Oner FC, Reinhold M, Schnake KJ,  Kandziora F, Fehlings MG, Dvorak MF, Aarabi B, Rajasekaran S, Schroeder GD, Kepler CK, Vialle LR. AOSpine subaxial cervical spine injury classification system. Eur Spine J. 2016 Jul;25(7):2173-84. 

78. Radcliff KE, Curry EP, Trimba R, Walker JB, Purtill JJ, Austin MS, Parvizi J,  Vaccaro AR, Hilibrand AS, Albert TJ. High Incidence of Undiagnosed Cervical  Myelopathy in Patients With Hip Fracture Compared With Controls. J Orthop Trauma.  2016 Apr;30(4):189-93. Presented at CSRS 2011 and AAOS 2012. 

77. Radcliff KE. C5 palsy and cervical laminectomy width: what is the right answer?  Spine J. 2016 Apr;16(4):468-9. 

76. Radcliff K, Lerner J, Yang C, Bernard T, Zigler JE. Seven-year cost-effectiveness of  ProDisc-C total disc replacement: results from investigational device exemption and post approval studies. J Neurosurg Spine. 2016 May;24(5):760-8. 

75. Raphael IJ, Rasouli MR, Kepler CK, Restrepo S, Albert TJ, Radcliff KE. Pelvic  Incidence in Patients with Hip Osteoarthritis. Arch Bone Jt Surg. 2016 Apr;4(2):132-6. Presented at IMAST 2012 and NASS 2012. 

74. Schroeder GD, Kepler CK, Alijanipour P, Kurd MF, Hollern D, Kumar P, Radcliff  KE, Rihn JA, Anderson DG, Hilibrand AS, Vaccaro AR. The Economic Implications of  an Incidental Durotomy. Spine (Phila Pa 1976). 2016 Oct 1;41(19):1548-1553. Presented at LSRS 2015. 

73. Kadam A, Millhouse PW, Kepler CK, Radcliff KE, Fehlings MG, Janssen ME,  Sasso RC, Benedict JJ, Vaccaro AR. Bone substitutes and expanders in Spine Surgery: A  review of their fusion efficacies. Int J Spine Surg. 2016 Sep 22;10:33. 

72. Radcliff KE, Bennett J, Stewart RJ, Kepler CK, Sidhu GS, Hilibrand AS, Kane J,  Albert TJ, Vaccaro AR, Rihn JA. Change in Angular Alignment Is Associated With Early Dysphagia After Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2016  Jul;29(6):248-54. 

71. Mok JM, Martinez M, Smith HE, Sciubba DM, Passias PG, Schoenfeld A, Isaacs RE, Vaccaro AR, Radcliff KE; Association for Collaborative Spine Research Investigators.  Impact of a Bundled Payment System on Resource Utilization During Spine Surgery. Int  J Spine Surg. 2016 May 16;10:19. 

70. Schroeder GD, Kepler CK, Kurd MF, Mead L, Millhouse PW, Kumar P, Nicholson  K, Stawicki C, Helber A, Fasciano D, Patel AA, Woods BI, Radcliff KE, Rihn JA,  

Anderson DG, Hilibrand AS, Vaccaro AR. Is It Necessary to Extend a Multilevel  Posterior Cervical Decompression and Fusion to the Upper Thoracic Spine? Spine (Phila  Pa 1976). 2016 Dec 1;41(23):1845-1849. Presented at CSRS 2015, AAOS 2016, and  NASS 2016. 

69. Gerling MC, Leven D, Passias PG, Lafage V, Bianco K, Lee A, Lurie JD, Tosteson  TD, Zhao W, Spratt KF, Radcliff K, Errico TJ. Risk Factors for Reoperation in Patients  Treated Surgically for Lumbar Stenosis: A Subanalysis of the 8-year Data From the  SPORT Trial. Spine (Phila Pa 1976). 2016 May;41(10):901-9. 

68. Radcliff K, Coric D, Albert T. Five-year clinical results of cervical total disc  replacement compared with anterior discectomy and fusion for treatment of 2-level  symptomatic degenerative disc disease: a prospective, randomized, controlled,  multicenter investigational device exemption clinical trial. J Neurosurg Spine. 2016  Aug;25(2):213-24. 

67. Radcliff KE, Sidhu GD, Kepler CK, Gruskay J, Anderson DG, Hilibrand A, Albert  TJ, Vaccaro AR. Complications of Flat Bed Rest After Incidental Durotomy. Clin Spine  Surg. 2016 Aug;29(7):281-4. 

66. Radcliff K, Morrison WB, Kepler C, Moore J, Sidhu GS, Gendelberg D, Miller L,  Sonagli MA, Vaccaro AR. Distinguishing Pseudomeningocele, Epidural Hematoma, and  Postoperative Infection on Postoperative MRI. Clin Spine Surg. 2016 Nov;29(9):E471- E474. 

65. Kane I, Ong A, Radcliff KE, Austin LS, Maltenfort M, Tjoumakaris F.  Epidemiology of Aquatic and Recreational Water Sport Injuries: A Case-Control  Analysis. Orthopedics. 2015 Sep;38(9):e813-8. 

64. Woods BI, Radcliff K, Bible J, Lee J. Epidural Injections for Spinal Stenosis. J  Spinal Disord Tech. 2015 Aug;28(7):233-5. 

63. Bode KS, Radcliff KE, Vaccaro AR. MRI Characterization of Vascular Spinal  Tumors. J Spinal Disord Tech. 2015 Dec;28(10):E590-4. 

62. Radcliff KE, Jakoi AM. L5 pedicle subtraction osteotomy for high-grade isthmic  spondylolisthesis. Orthopedics. 2015 Apr;38(4):e347-51. 

61. Radcliff K, Zigler J, Zigler J. Costs of cervical disc replacement versus anterior  cervical discectomy and fusion for treatment of single-level cervical disc disease: an  analysis of the Blue Health Intelligence database for acute and long-term costs and  complications. Spine (Phila Pa 1976). 2015 Apr 15;40(8):521-9. Presented at CSRS  2013. 

60. Koerner JD, Glaser J, Radcliff K. Which Variables Are Associated With Patient reported Outcomes After Discectomy? Review of SPORT Disc Herniation Studies. Clin  Orthop Relat Res. 2015 Jun;473(6):2000-6. 

59. Kane I, Ong A, Orozco FR, Post ZD, Austin LS, Radcliff KE. Thromboelastography  predictive of death in trauma patients. Orthop Surg. 2015 Feb;7(1):26-30. 

58. Radcliff KE, Hussain MM, Moldavsky M, Klocke N, Vaccaro AR, Albert TJ, Khalil  S, Bucklen B. In vitro biomechanics of the craniocervical junction-a sequential sectioning of its stabilizing structures. Spine J. 2015 Jul 1;15(7):1618-28. 

57. Radcliff KE, Hussain MM, Moldavsky M, Klocke NF, Vaccaro A, Albert TJ, Khalil  S, Bucklen BS. Stabilization of the craniocervical junction after an internal dislocation  injury: an in vitro study. Spine J. 2015 May 1;15(5):1070-6. Presented as a poster at  CSRS 2013. 

56. Liu S, Lafage R, Smith JS, Protopsaltis TS, Lafage VC, Challier V, Shaffrey CI,  Radcliff K, Arnold PM, Chapman JR, Schwab FJ, Massicotte EM, Yoon ST, Fehlings  MG, Ames CP. Impact of dynamic alignment, motion, and center of rotation on  myelopathy grade and regional disability in cervical spondylotic myelopathy. J  Neurosurg Spine. 2015 Dec;23(6):690-700. 

55. Cook CE, Arnold PM, Passias PG, Frempong-Boadu AK, Radcliff K, Isaacs R;  Association for Collaborative Spine Research (ACSR). Predictors of pain and disability  outcomes in one thousand, one hundred and eight patients who underwent lumbar  discectomy surgery. Int Orthop. 2015 Nov;39(11):2143-51. 

54. Cook CE, Frempong-Boadu AK, Radcliff K, Karikari I, Isaacs R. Older Age and Leg Pain Are Good Predictors of Pain and Disability Outcomes in 2710 Patients Who Receive Lumbar Fusion. HSS J. 2015 Oct;11(3):209-15. 

53. Jakoi A, Kumar N, Vaccaro A, Radcliff K. Perioperative coagulopathy monitoring.  Musculoskelet Surg. 2014 Jun;98(1):1-8. 

52. Walker B, Koerner J, Sankarayanaryanan S, Radcliff K. A consensus statement  regarding the utilization of BMP in spine surgery. Curr Rev Musculoskelet Med. 2014  Sep;7(3):208-19. 

51. Mellema JJ, Doornberg JN, Guitton TG, Ring D; Science of Variation Group.  Biomechanical studies: science (f)or common sense? Injury. 2014 Dec;45(12):2035-9. 

50. Paulus MC, Kalantar SB, Radcliff K. Cost and value of spinal deformity surgery.  Spine (Phila Pa 1976). 2014 Mar 1;39(5):388-93. 

49. Kepler CK, Vaccaro AR, Dibra F, Anderson DG, Rihn JA, Hilibrand AS, Harrop JS,  Albert TJ, Radcliff KE. Neurologic injury because of trauma after type II odontoid  nonunion. Spine J. 2014 Jun 1;14(6):903-8. 

48. Radcliff KE, Kepler CK, Maaieh M, Anderson DG, Rihn J, Albert T, Vaccaro A,  Hilibrand A. What is the rate of lumbar adjacent segment disease after percutaneous  versus open fusion? Orthop Surg. 2014 May;6(2):118-20. 

47. Radcliff KE, Kepler CK, Hellman M, Restrepo C, Jung KA, Vaccaro AR, Albert TJ,  Parvizi J. Does spinal alignment influence acetabular orientation: a study of spinopelvic  variables and sagittal acetabular version. Orthop Surg. 2014 Feb;6(1):15-22. Presented  as a poster at NASS 2011. 

46. Radcliff KE, Ong A, Parvizi J, Post Z, Orozco F. Rivaroxaban-induced epidural  hematoma and cauda equina syndrome after total knee arthroplasty: a case report. Orthop  Surg. 2014 Feb;6(1):69-71. 

45. Kepler CK, Vaccaro AR, Hilibrand AS, Anderson DG, Rihn JA, Albert TJ, Radcliff  KE. National trends in the use of fusion techniques to treat degenerative  spondylolisthesis. Spine (Phila Pa 1976). 2014 Sep 1;39(19):1584-9. 

44. Koerner JD, Kepler CK, Rihn JA, Radcliff K, Vaccaro AR, Anderson DG, Albert TJ. Reducing radiation exposure in spinal surgery. J Neurosurg Sci. 2014 Jun;58(2 Suppl  1):7-13. 

43. Kane P, Chen C, Post Z, Radcliff K, Orozco F, Ong A. Seasonality of infection rates  after total joint arthroplasty. Orthopedics. 2014 Feb;37(2):e182-6. 

42. Radcliff KE, Limthongkul W, Kepler CK, Sidhu GD, Anderson DG, Rihn JA,  Hilibrand AS, Vaccaro AR, Albert TJ. Cervical laminectomy width and spinal cord drift  are risk factors for postoperative C5 palsy. J Spinal Disord Tech. 2014 Apr;27(2):86-92. 

41. Radcliff KE, Koyonos L, Clyde C, Sidhu GS, Fickes M, Hilibrand AS, Albert TJ,  Vaccaro AR, Rihn JA. What is the incidence of dysphagia after posterior cervical  surgery? Spine (Phila Pa 1976). 2013 Jun 1;38(13):1082-8. Presented at CSRS 2011. 

40. Radcliff KE. The spine surgery waiting place. Spine J. 2013 Dec;13(12):1749-50. 

39. Radcliffe KE, Orozco F, Molby N, Chen E, Sidhu GS, Vaccaro AR, Ong A. Is pelvic obliquity related to degenerative scoliosis? Orthop Surg. 2013 Aug;5(3):171-6. 

38. Radcliff KE, Orozco F, Molby N, Delasotta L, Chen E, Post Z, Ong A. Change in  spinal alignment after total hip arthroplasty. Orthop Surg. 2013 Nov;5(4):261-5. 

37. Radcliff KE, Sonagli MA, Rodrigues LM, Sidhu GS, Albert TJ, Vaccaro AR. Does  C₁ fracture displacement correlate with transverse ligament integrity? Orthop Surg. 2013  May;5(2):94-9. Presented as a poster at NASS 2012. 

36. Radcliff KE, Kepler CK, Jakoi A, Sidhu GS, Rihn J, Vaccaro AR, Albert TJ,  Hilibrand AS. Adjacent segment disease in the lumbar spine following different treatment interventions. Spine J. 2013 Oct;13(10):1339-49. 

35. Verma K, Gandhi SD, Maltenfort M, Albert TJ, Hilibrand AS, Vaccaro AR, Radcliff  KE. Rate of adjacent segment disease in cervical disc arthroplasty versus single-level  fusion: meta-analysis of prospective studies. Spine (Phila Pa 1976). 2013 Dec  15;38(26):2253-7. Presented at AAOS 2013 and IMAST 2013. 

34. Sidhu GS, Ghag A, Prokuski V, Vaccaro AR, Radcliff KE. Civilian gunshot injuries  of the spinal cord: a systematic review of the current literature. Clin Orthop Relat Res.  2013 Dec;471(12):3945-55. 

33. Radcliff KE, Rasouli MR, Neusner A, Kepler CK, Albert TJ, Rihn JA, Hilibrand AS, Vaccaro AR. Preoperative delay of more than 1 hour increases the risk of surgical site  infection. Spine (Phila Pa 1976). 2013 Jul 1;38(15):1318-23. 

32. Radcliff K, Kepler C, Hilibrand A, Rihn J, Zhao W, Lurie J, Tosteson T, Vaccaro A,  Albert T, Weinstein J. Epidural steroid injections are associated with less improvement in patients with lumbar spinal stenosis: a subgroup analysis of the Spine Patient Outcomes  Research Trial. Spine (Phila Pa 1976). 2013 Feb 15;38(4):279-91. 

31. Radcliff K, Curry P, Hilibrand A, Kepler C, Lurie J, Zhao W, Albert TJ, Weinstein J. Risk for adjacent segment and same segment reoperation after surgery for lumbar  stenosis: a subgroup analysis of the Spine Patient Outcomes Research Trial (SPORT).  Spine (Phila Pa 1976). 2013 Apr 1;38(7):531-9. 

30. Radcliff K, Freedman M, Hilibrand A, Isaac R, Lurie JD, Zhao W, Vaccaro A,  Albert T, Weinstein JN. Does opioid pain medication use affect the outcome of patients  with lumbar disc herniation? Spine (Phila Pa 1976). 2013 Jun 15;38(14):E849-60. Presented at NASS 2011 and AAOS 2012. 

29. Kepler CK, Yu AL, Gruskay JA, Delasotta LA, Radcliff KE, Rihn JA, Hilibrand AS, Anderson DG, Vaccaro AR. Comparison of open and minimally invasive techniques for  posterior lumbar instrumentation and fusion after open anterior lumbar interbody fusion.  Spine J. 2013 May;13(5):489-97. 

28. Radcliff KE, Vaccaro AR. Response to Drs. Joaquim and Patel. J Neurosurg Spine.  2013 Mar;18(3):315. 

27. Smith JS, Lafage V, Ryan DJ, Shaffrey CI, Schwab FJ, Patel AA, Brodke DS, Arnold PM, Riew KD, Traynelis VC, Radcliff K, Vaccaro AR, Fehlings MG, Ames CP.  

Association of myelopathy scores with cervical sagittal balance and normalized spinal  cord volume: analysis of 56 preoperative cases from the AOSpine North America  Myelopathy study. Spine (Phila Pa 1976). 2013 Oct 15;38(22 Suppl 1):S161-70. Presented at CSRS 2013. 

26. Zmistowski B, Dizdarevic I, Jacovides CL, Radcliff KE, Mraovic B, Parvizi J.  Patients with uncontrolled components of metabolic syndrome have increased risk of  complications following total joint arthroplasty. J Arthroplasty. 2013 Jun;28(6):904-7. 

25. Harrop JS, Styliaras JC, Ooi YC, Radcliff KE, Vaccaro AR, Wu C. Contributing  factors to surgical site infections. J Am Acad Orthop Surg. 2012 Feb;20(2):94-101. 

24. Neuman BJ, Radcliff K, Rihn J. Cauda equina syndrome after a TLIF resulting from  postoperative expansion of a hydrogel dural sealant. Clin Orthop Relat Res. 2012  Jun;470(6):1640-5. 

23. Radcliff KE, Orozco FR, Quinones D, Rhoades D, Sidhu GS, Ong AC. Preoperative  risk stratification reduces the incidence of perioperative complications after total knee  arthroplasty. J Arthroplasty. 2012 Sep;27(8 Suppl):77-80.e1-8. Presented at AAHKS  2011. 

22. Patel A, Smith HE, Radcliff K, Yadlapalli N, Vaccaro AR. Odontoid fractures with  neurologic deficit have higher mortality and morbidity. Clin Orthop Relat Res. 2012  Jun;470(6):1614-20. 

21. Radcliff K, Kepler C, Reitman C, Harrop J, Vaccaro A. CT and MRI-based diagnosis of craniocervical dislocations: the role of the occipitoatlantal ligament. Clin Orthop Relat  Res. 2012 Jun;470(6):1602-13. 

20. Radcliff K, Su BW, Kepler CK, Rubin T, Shimer AL, Rihn JA, Harrop JA, Albert  TJ, Vaccaro AR. Correlation of posterior ligamentous complex injury and neurological  injury to loss of vertebral body height, kyphosis, and canal compromise. Spine (Phila Pa  1976). 2012 Jun 1;37(13):1142-50. 

19. Radcliff K, Kepler C, Rubin TA, Maaieh M, Hilibrand AS, Harrop J, Rihn JA, Albert TJ, Vaccaro AR. Does the load-sharing classification predict ligamentous injury,  neurological injury, and the need for surgery in patients with thoracolumbar burst  fractures?: Clinical article. J Neurosurg Spine. 2012 Jun;16(6):534-8. 

18. Radcliff K, Hwang R, Hilibrand A, Smith HE, Gruskay J, Lurie JD, Zhao W, Albert  T, Weinstein J. The effect of iliac crest autograft on the outcome of fusion in the setting  of degenerative spondylolisthesis: a subgroup analysis of the Spine Patient Outcomes  Research Trial (SPORT). J Bone Joint Surg Am. 2012 Sep 19;94(18):1685-92. 

17. Radcliff K, Hilibrand A, Lurie JD, Tosteson TD, Delasotta L, Rihn J, Zhao W,  Vaccaro A, Albert TJ, Weinstein JN. The impact of epidural steroid injections on the  

outcomes of patients treated for lumbar disc herniation: a subgroup analysis of the  SPORT trial. J Bone Joint Surg Am. 2012 Aug 1;94(15):1353-8. 

16. Kepler CK, Rihn JA, Radcliff KE, Patel AA, Anderson DG, Vaccaro AR, Hilibrand  AS, Albert TJ. Restoration of lordosis and disk height after single-level transforaminal  lumbar interbody fusion. Orthop Surg. 2012 Feb;4(1):15-20. 

15. Delasotta LA, Radcliff K, Sonagli MA, Miller L. Aberrant iliac artery: far lateral  lumbosacral surgical anatomy. Orthopedics. 2012 Feb 17;35(2):e294-7. 

14. Kepler CK, Wilkinson SM, Radcliff KE, Vaccaro AR, Anderson DG, Hilibrand AS,  Albert TJ, Rihn JA. Cost-utility analysis in spine care: a systematic review. Spine J. 2012 Aug;12(8):676-90. Presented at AAOS 2011. 

13. Gruskay J, Smith J, Kepler CK, Radcliff K, Albert T, Vaccaro A, Harrop J.  Response. J Neurosurg Spine. 2013 Jun;18(6):661-2. 

12. Gruskay J, Smith J, Kepler CK, Radcliff K, Harrop J, Albert T, Vaccaro A. The  seasonality of postoperative infection in spine surgery. J Neurosurg Spine. 2013  Jan;18(1):57-62. Presented at AAOS 2012. 

11. Gruskay J, Kepler C, Smith J, Radcliff K, Vaccaro A. Is surgical case order  associated with increased infection rate after spine surgery? Spine (Phila Pa 1976). 2012  Jun 1;37(13):1170-4. 

10. Rihn JA, Hilibrand AS, Radcliff K, Kurd M, Lurie J, Blood E, Albert TJ, Weinstein  JN. Does obesity affect outcomes of treatment for lumbar stenosis and degenerative  spondylolisthesis? Analysis of the Spine Patient Outcomes Research Trial (SPORT).  Spine (Phila Pa 1976). 2012 Nov 1;37(23):1933-46. 

9. Radcliff KE, Kepler CK, Delasotta LA, Rihn JA, Harrop JS, Hilibrand AS, Albert TJ,  Vaccaro AR. Current management review of thoracolumbar cord syndromes. Spine J.  2011 Sep;11(9):884-92. 

8. Radcliff KE, Rihn J, Hilibrand A, DiIorio T, Tosteson T, Lurie JD, Zhao W, Vaccaro  AR, Albert TJ, Weinstein JN. Does the duration of symptoms in patients with spinal  stenosis and degenerative spondylolisthesis affect outcomes?: analysis of the Spine  Outcomes Research Trial. Spine (Phila Pa 1976). 2011 Dec 1;36(25):2197-210. 

7. Rihn JA, Hilibrand AS, Radcliff K, Kurd M, Lurie J, Blood E, Albert TJ, Weinstein  JN. Duration of symptoms resulting from lumbar disc herniation: effect on treatment  outcomes: analysis of the Spine Patient Outcomes Research Trial (SPORT). J Bone Joint  Surg Am. 2011 Oct 19;93(20):1906-14. 

6. Radcliff KE, Reitman CA, Delasotta LA, Hong J, DiIorio T, Zaslavsky J, Vaccaro  AR, Hipp JA. Pulmonary cement embolization after kyphoplasty: a case report and  review of the literature. Spine J. 2010 Oct;10(10):e1-5. 

5. Radcliff KE, Ben-Galim P, Dreiangel N, Martin SB, Reitman CA, Lin JN, Hipp JA.  Comprehensive computed tomography assessment of the upper cervical anatomy: what is normal? Spine J. 2010 Mar;10(3):219-29. 

4. Radcliff KE, Kalantar SB, Reitman CA. Surgical management of spondylolysis and  spondylolisthesis in athletes: indications and return to play. Curr Sports Med Rep. 2009  Jan-Feb;8(1):35-40. 

3. Radcliff K, Tang TB, Lim J, Zhang Z, Abedin M, Demer LL, Tintut Y. Insulin-like  growth factor-I regulates proliferation and osteoblastic differentiation of calcifying  vascular cells via extracellular signal-regulated protein kinase and phosphatidylinositol 3- kinase pathways. Circ Res. 2005 Mar 4;96(4):398-400. 

2. Tintut Y, Alfonso Z, Saini T, Radcliff K, Watson K, Boström K, Demer LL.  Multilineage potential of cells from the artery wall. Circulation. 2003 Nov  18;108(20):2505-10. 

1. Mody N, Tintut Y, Radcliff K, Demer LL. Vascular calcification and its relation to  bone calcification: possible underlying mechanisms. J Nucl Cardiol. 2003 Mar Apr;10(2):177-83. 

Book Chapters & Non–Peer-Reviewed Publications 

57. Hilibrand AS, Radcliff K. Cervical Disk Herniation. In: Musculoskeletal  Examination of the Spine. 2024. p. 63-81. 

56. Callanan G, Rahman R, Radcliff K. Cervical Corpectomy. The Resident's Guide to  Spine Surgery. O'Brien J. Kalantar B. Drazin D. Sandhu F. (eds). Springer 2020. 55. Jakoi A, Radcliff K. Chapter 61: Nutrition in Spinal Cord Injury. The Spine: Medical and Surgical Management. Vaccaro A, Su B, Wang Y, Dvorak M, Mayer HM, Chiba K, Vialle L, Youssef MG, Rajasekaran S. Jaypee Brothers. 2019. 

54. Daffner S, Kim D, Radcliff K, Smith H. Ch 21. Avoiding and Managing

Complications in Routine Lumbar Surgery. Instructional Course Lectures.

James  Huddleston III and Jay R Lieberman. (eds) AAOS Publishing

(Rosemont). (2019). 

53. Sundeep S. Saini, Daniel Cataldo, Christopher R. Cook, Hamadi Murphy, Paul W.  Millhouse, Kris Radcliff. Chapter 16. Revision surgery for proximal junctional  kyphosis following thoracolumbar fusion. Revision Spine Surgery Pearls and  Pitfalls. Vaccaro A, Baaj A, Schroeder G. 1st Edition. ImprintCRC. 2019. 

52. Harold I. Salmons, Jeffrey Ta, Hamadi Murphy, Arjun Sebastian, Kris Radcliff,

Alex Vaccaro. Section 19, Chapter 1: Infections of the Spine. International

Society for the  Study of the Lumbar Spine (ISSLS) Online Textbook of Spine

Surgery. 2019. 

51. Radcliff K.E., Tarazona D.A., Markowitz M., Theosmy E. (2019) Cervical

Total  Disc Replacement: Evidence Basis. In: Cheng B. (eds) Handbook of

Spine  Technology. Springer (2019). 

50. Lender M, Green J, Radcliff K, Butler J, Murphy H, Vaccaro A. Postoperative  Spondylodiscitis. AO Spine Master Series Volume 10 Spinal Infections. L Vialle, S  Rajasekaran, R Kanna, R Barbagallo (eds) Thieme 2018. 

49. Stenson J and Radcliff K. Review of Transforaminal Lumbar Interbody Fusion:  Technique, Complications, and Early Outcomes. Vaccaro A, Fisher C, Wilson J. 50  Landmark Papers Every Spine Surgeon Should Know. Routledge Publisher. 2018. 

48. David S. Casper, James McKenzie, Gregory D. Schroeder. Controversial

Cervical  Spine Fractures: Classification and Treatment. Seminars in Spine

Surgery.  September 2016. 

47. Kris E. Radcliff, Scott Vizzi , Paul W. Millhouse, Christopher K. Kepler,

Alexander  R. Vaccaro. Does fusion increase the incidence of adjacent segment

disease in  patients with symptomatic lumbar degenerative disk disease?

Seminars in Spine  Surgery September 2015. Vol. 27, Issue 3, p 173-179. 

46. Kris E. Radcliff, Christopher K. Kepler, John D. Koerner, Alan S. Hilibrand, Todd J. Albert, Alexander R. Vaccaro. C1 plumb line and cervical sagittal balance predict  the outcome of cervical laminectomy and fusion. Seminars in Spine Surgery  September 2015. Vol. 27, Issue 3, p 169-172. 

45. Amandeep Bhalla , Reginald Fayssoux , Kris E. Radcliff. Approach options in  adult spinal deformity surgery. Seminars in Spine Surgery September 2015. Vol. 27,  Issue 3, p 163-168. 

44. Amandeep Bhalla , Reginald Fayssoux , Kris E. Radcliff. Adult spinal deformity:  Radiographic parameters. Seminars in Spine Surgery September 2015. Vol. 27, Issue 3, p 155-158. 

43. Abhijeet B. Kadam , Paul W. Millhouse, Kris E. Radcliff. Perioperative  management of the adult scoliosis patient. Seminars in Spine Surgery September  2015. Vol. 27, Issue 3, p 139-146. 

42. Paul W. Millhouse , Abhijeet B. Kadam , Dexter K. Bateman, Alexander R.  Vaccaro, Kris E. Radcliff, Caleb Behrend. Degenerative scoliosis surgical fixation  techniques. Seminars in Spine Surgery September 2015. Vol. 27, Issue 3, p 126-138. 

41. Paul W. Millhouse, Kris E. Radcliff, Alexander R. Vaccaro. What is symptomatic  adult deformity Seminars in Spine Surgery September 2015. Vol. 27, Issue 3, p119– 121. 

40. Cohn P, Spiker WR, Radcliff K, Vaccaro AR. Cervical sagittal balance : what is  normal and what is the effect on reconstruction outcomes. AOSpine masters series.  Cervical degenerative conditions. (Luiz Roberto Vialle; K Daniel Riew; Manabu Ito,  eds) Thieme (New York) 2015. 

39. Jeffrey A. Moore, Todd J. Albert, Kris Radcliff. The value and cost-effectiveness of  adult degenerative lumbar surgery. Seminars in Spine Surgery, Vol. 26, Issue 1, p38– 44. February 25, 2014. 

38. Nikolaus Hjelm , Suneel B. Bhat , Kris Radcliff. The economic implications of  operative vs. non-operative management of thoracolumbar burst fractures: A  systematic review. Seminars in Spine Surgery, Vol. 26, Issue 1, p12–15. February  25, 2014. 

37. Worawat Limthongkul , Weerasak Singhatanadgige , Alexander R. Vaccaro,  Todd J. Albert, Kris Radcliff. Health-related quality of life and cost after cervical  spine trauma. Seminars in Spine Surgery, Vol. 26, Issue 1, p30–37. February 25,  2014. 

36. Kris E Radcliff, Andrew B Kay, Gursukhman S Sidhu , Todd J Albert, Alan S  Hilibrand , Reginald Fayssoux , Alexander R Vaccaro. Early subluxation and failure of a stand-alone cervical integrated plate–spacer device. Seminars in Spine Surgery.  Volume 26, Issue 3, September 2014, Pages 167–171. 

35. Kris Radcliff, Todd Albert. Why study value in spine surgery? Seminars in Spine  Surgery, Vol. 26, Issue 1, p1. February 25, 2014. 

34. Radcliff K, Thomasson B. Flexion-Distraction Injuries of the Subaxial Cervical  Spine. Seminars in Spine Surgery 2013 25(1): 45-56. 

33. Koerner J, Radcliff K. Spondylolysis in the Athlete. Operative Techniques in Sports Medicine 2013 21(3):177-184. 

32. Radcliff KE. The spine surgery waiting place. Spine J. 2013 Dec;13 (12):1749-50.  doi : 10.1016/ j.spinee.2013.08.011 . PMID: 24315556. 

31. Radcliff K. Invited Debate Article: “Con: Epidural Steroid Injections Are Not Useful in the Treatment of Lumbar Stenosis.” AAOS Now Invited Debate. 2013. 

30. Gruskay J, Smith J, Kepler CK, Radcliff K, Albert T, Vaccaro A, Harrop J. Response to Letter to the Editor. J Neurosurg Spine. 2013 Jun;18 (6):661-2. 

29. Radcliff K, Kepler CK, Vaccaro AR. Response to Drs. Joaquim and Patel. J  Neurosurg Spine. 2013 Mar;18(3):315. 

28. Radcliff K, Hilibrand A, Vaccaro A, Albert T. Letter to the Editor. Spine (Phila Pa  1976). 2013 Jun 11. 

27. Response To: Re: Radcliff K, Kepler C, Hilibrand A, Rihn J, Zhao W, Lurie J,  Tosteson T, Vaccaro A, Albert T, and Weinstsin , J. Epidural steroid injections are  associated with less improvement in patients with lumbar spinal stenosis. Spine  2013; 38: 279-291. 

26. Justin Kane, Andrew Kay, Mitchell Maltenfort , Christopher Kepler, Todd Albert,  Alexander Vaccaro, Kris Radcliff. Complication rates of minimally invasive spine  surgery compared to open surgery: A systematic literature review. Seminars in Spine Surgery, Vol. 25, Issue 3, p191–199. September, 2013. 

25. Sapan D. Gandhi, Kushagra Verma, Todd Albert, Alan Hilibrand, Alexander  Vaccaro, Kristen Radcliff. How often is adjacent segment disease reported? A  systematic review of prospective studies comparing total disc arthoplasty versus  ACDF. Seminars in Spine Surgery, Vol. 25, Issue 3, p205–208. September, 2013. 

24. Radcliff K, Smith J, Kepler C, Albert TJ. Osteotomies to Affect Spinopelvic  Balance. Surgical Techniques to the Spine Textbook. Vaccaro A, Kim D (eds). W.B  Saunders Publisher (New York); 2 edition 2013. 

23. Radcliff K. Osteotomies to Change Spinopelvic Alignment: Lumbar, Sacral, Pelvic  Osteotomies. Lumbosacral and Pelvic Procedures. D Kim, A Vaccaro, P Whang SD  Kim, SH Kim. Thieme (New York) 2013. 

22. Radcliff K, Harrod C, Kepler C, Vaccaro A. Chapter 18. Posterior Fixation for  Thoracolumbar Trauma. Master Techniques in Orthopaedic Surgery Spine (3rd  Edition). (Todd A. Albert MD, Thomas Zdeblick MD, eds). Lippincott  (Philadelphia) 2013. 

21. Radcliff K, Gruskay J, Rihn J, Miller L, Vaccaro AR. “Surgical Planning for the  Treatment of Thoracolumbar Fractures: Anterior, Posterior, or Combined  Approach?.” Seminars in Spine Surgery 2012 24(4) 244-251. 

20. Radcliff K, Gendelberg D. “Orthopedic Surgeons’ Approach to Back Pain.” AANS Neurosurgeon Review Article. 2012. 

19. Smith H, Rihn J, Radcliff K, Vaccaro A. Imaging in the Setting of Thoracolumbar  Trauma: The Use of Magnetic Resonance Imaging to Diagnose Injury to the  Posterior Ligamentous Complex. Seminars in Spine Surgery 2012 24(4) 216-220. 

18. Kris Radcliff, Benjamin G. Thomasson. Flexion-Distraction Injuries of the Subaxial Cervical Spine. Seminars in Spine Surgery, Vol. 25, Issue 1, p45–56. September 25,  2012. 

17. Hwang R, Smith H, Radcliff K, Rihn J. Comparative Effectiveness Research in  Spine Surgery: Using SPORT as an example. Defining the Value of Spinal Care.  Jeffrey Rihn, Alexander Vaccaro, Todd J. Albert (Eds). Jaypee Brothers Publishing  (Epublished). 2012. 

16. Radcliff K, Delasotta, L, Harrop J. Disease Specific Health Related Quality of Life  Measures: Cervical Degenerative Disc Disease. Defining the Value of Spinal Care.  Jeffrey Rihn, Alexander Vaccaro, Todd J. Albert (Eds). Jaypee Brothers Publishing  (Epublished). 2012. 

15. Radcliff K, Vaccaro AR. Post-Traumatic Kyphotic Spinal Deformity. Essentials of  Spinal Cord Injury. Thieme Publishing. Thieme Medical Publishers, Inc, New York,  New York 2012. 

14. Radcliff K. Spinal Emergencies. Decision Making in Spinal Care. (D. Greg  Anderson and Alexander Vaccaro, eds) Thieme (New York) 2012. 

13. Radcliff K, Maher L, Vaccaro AR. “Why Stem Cells Will Not Be A Useful Adjunct  to Spine Fusion.” Spine Line Review Article. August 2011. 

12. Radcliff K, Rubin T, Reitman CA, Hilibrand A. Normal Cervical Alignment.  Seminars in Spine Surgery 2011 September 23(3):159-164. 

11. Radcliff K, Smith J, Kepler C, Vaccaro AR. Thoracolumbar Fractures Orthopaedic  Knowledge Update 4 (Spine), American Academy of Orthopedic Surgeons  (Rosemont), 2011. 

10. Radcliff K, Limthongkul W, Delasotta L, Moore JA, Levine A, Vaccaro AR.  Chapter 14: Classification of Spinal Injury. Spine Trauma (Second Edition). (Alan  M. Levine MD, Frank J. Eismont MD, Steven R. Garfin MD, Alexander R. Vaccaro  MD, PhD, and Jack E. Zigler MD. (eds). AAOS Publishing (Rosemont). (2011).

9. Radcliff K, DiIorio T, Ong A, Gruskay J, Levine A, Rihn J, Vaccaro AR. Chapter  36: Fractures of the Sacrum. Spine Trauma (Second Edition). (Alan M. Levine MD,  Frank J. Eismont MD, Steven R. Garfin MD, Alexander R. Vaccaro MD, PhD, and  Jack E. Zigler MD. (eds). AAOS Publishing (Rosemont). (2011). 

8. Radcliff K, Rubin T, Delasotta L, Rasouli M, Harrop J, Levine A, Vaccaro AR.  Chapter 34: Low Lumbar Fractures. Spine Trauma (Second Edition). (Alan M.  Levine MD, Frank J. Eismont MD, Steven R. Garfin MD, Alexander R. Vaccaro  MD, PhD, and Jack E. Zigler MD. (eds). AAOS Publishing (Rosemont). (2011). 

 7. Karamitopoulis M, Radcliff K, Arnold A, Levine A, Vaccaro AR. Chapter 32: Facet  Fractures and Dislocations of the Thoracolumbar Spine. Spine Trauma (Second  Edition). (Alan M. Levine MD, Frank J. Eismont MD, Steven R. Garfin MD,  Alexander R. Vaccaro MD, PhD, and Jack E. Zigler MD. (eds). AAOS Publishing  (Rosemont). (2011). 

6. Radcliff K, Sonagli M, Delasotta L, Morrison E, Levine A, Vaccaro AR. Chapter 28: Facet Fractures and Dislocations. Spine Trauma (Second Edition). (Alan M. Levine  MD, Frank J. Eismont MD, Steven R. Garfin MD, Alexander R. Vaccaro MD, PhD,  and Jack E. Zigler MD. (eds). AAOS Publishing (Rosemont). (2011). 

5. Radcliff K, Ferguson J, Miller L, Gruskay J, Levine A, Albert TJ, Vaccaro AR.  Chapter 25: Traumatic Spondylolisthesis of the Axis. Spine Trauma (Second  Edition). (Alan M. Levine MD, Frank J. Eismont MD, Steven R. Garfin MD,  Alexander R. Vaccaro MD, PhD, and Jack E. Zigler MD. (eds). AAOS Publishing  (Rosemont). (2011). 

4. Radcliff K, Maher L, Hong J, Stinsman R, Levine AM, Vaccaro AR. Ch 21.  Fractures of the Atlas. Spine Trauma (Second Edition). (Alan M. Levine MD, Frank  J. Eismont MD, Steven R. Garfin MD, Alexander R. Vaccaro MD, PhD, and Jack E.  Zigler MD. (eds). AAOS Publishing (Rosemont). (2011). 

3. Radcliff K, Rubin T, Delasotta L, Rasouli M, Harrop J, Levine A, Vaccaro AR. Ch  28. Low Lumbar Fractures. Spine Trauma (Second Edition). (Alan M. Levine MD,  Frank J. Eismont MD, Steven R. Garfin MD, Alexander R. Vaccaro MD, PhD, and  Jack E. Zigler MD. (eds). AAOS Publishing (Rosemont). (2011). 

2. Radcliff K, Hilibrand A, Rihn J. Cervical Disc Herniation. Musculoskeletal  Examination of the Spine: Jeffrey Rihn, Eric Harris (eds). Making the Complex  Simple. Slack Publishing (Thorofare, NJ). 2011. 

1. Radcliff K, Vaccaro A, Albert T, Rihn J. Physiologic limitations and complications  of spinal cord injury in the elderly population. Topics in Spinal Cord Injury  Rehabilitation, Vol. 15, No. 3 (Winter 2010) pp. 85-95. 

Invited Faculty Lectures & Presentations 

Course Directorships & Faculty Positions 

9. Invited Course Faculty, Society for Minimally Invasive Spine Surgery

(SMISS),  2026. 

8. State of Spine Surgery Think Tank — Course Director / Program Chair: 20th

(2025), 19th (2024), 18th (2023), 17th (2022), and 16th (2019) Annual Meetings

(Los Cabos & San José del Cabo, Mexico; Aruba). 

7. TOPS Facet Arthroplasty — Course Faculty (New York, 2024). 

6. Prodisc-L Cervical Disc Replacement — Course Faculty (Dallas, 2024). 

5. NASS “After Hours” Sacroiliac Joint Fusion Hands-On Workshop — Faculty  Instructor (Chicago, 2019). 

4. Stryker Minimally Invasive Surgery Course — Faculty (San Francisco,

2019; Las  Vegas, 2018) and Keynote Speaker (Cologne, Germany, 2018). 

3. Simplify Medical Cervical Disc Replacement — Course Faculty (Dallas, 2016). 

2. Medtronic Advanced Energy Training — Faculty (Tampa, Florida, 2014).

1. Visiting Professor, Department of Orthopaedic Surgery, University FM-ABC, São  Paulo, Brazil (2010). 

Invited Lectures, Debates & Presentations (National & International) 

148.Invited Course Faculty, SMISS 2026. 

147.June 26-28, 2025: 20th Annual State of Spine Surgery Think Tank (Los Cabos,  Mexico) - Course Director. 

146.June 19-22, 2024: 19th Annual State of Spine Surgery Think Tank (Los Cabos,  Mexico) - Course Director. 

145.Prodisc-L (Cervical Disc Replacement) Course Faculty (Dallas). 144.TOPS (Facet Arthroplasty) Course Faculty (New York). 

143.June 28-July 1, 2023: 18th Annual State of Spine Surgery Think Tank (Los Cabos,  Mexico) - Course Director/Moderator. 

142.June 22-25, 2022: 17th Annual State of Spine Surgery Think Tank (San José del  Cabo, Mexico) - Course Director/Program Chair. 

141.ISASS 21st Annual Conference (Miami Beach, FL) - Invited Speaker/Panelist. 

140.February: Welcome Speech and Awards Section Moderator: International Society for the Advancement of Spine Surgery (Puerto Rico). 

139.February: Grand Rounds: Department of Orthopedic Surgery, University of Miami. 138.January: Panelist: Case Discussion, Spine Summit to Base Meeting. 137.January: Lecture: Fractures in patients with ankylosing spondylitis, Spine Summit to  Base Meeting. 

136.January: Moderator: Young Surgeon Abstracts, Spine Summit to Base Meeting. 

135.January: Panel: Lumbar Degenerative Disorders, Spine Summit to Base Meeting. 

134.January: Lateral Fusions are Fraught with complications with questionable clinical  advantages, Spine Summit to Base Meeting. 

133.January: Cervical Degenerative Case Discussions, Spine Summit to Base Meeting. 

132.January: Posterior Interbody Fusion for Degenerative Spondylolisthesis, Spine  Summit to Base Meeting. 

131.ISASS 20th Annual Conference (San Juan, Puerto Rico) - Conference Co-Chair &  Moderator. 

130."Surgical Management of Lumbar Degenerative Disc Disease: Argument Against  Lumbar Disc Replacement" - Presentation at ISASS 2020 (San Juan, PR). 129.March: Invited Faculty – Instructional Course Lecture AAOS Disc Replacement  (Cancelled due to COVID-19). 

128.March: Invited Faculty – Instructional Course Lecture AAOS Management of  Lumbar Common Problems (Cancelled due to COVID-19). 

127.March: Invited Faculty Debate Thoracolumbar Trauma FOSA/Speciality Day at  AAOS (Cancelled due to COVID-19). 

126.December: CSRS Moderator: Outcomes. 

125.December: CSRS Instructional Course Lecture Moderator: Decision Making. 124.December: Faculty: Stryker Minimally Invasive Surgery Course (San Francisco,  CA). 

123.June: 16th Annual State of Spine Surgery Think Tank (Aruba) - Program Director. 122.June: Moderator: Spine Technology Summit in Aruba Technology Updates  Symposium. 

121.June: Debate: Spine Technology Summit in Aruba Robotic Surgery. 120.June: Debate: Spine Technology Summit in Aruba Laser Surgery. 119.May: Philadelphia Spine Symposium Grade 1 Degenerative Spondylolisthesis Does  Not Require a Fusion Debate. 

118.March: AAOS ICL Faculty: Management of Adult Lumbar Spine Problems for  General Orthopaedic Surgeons: A Practical Guide for 2019. 

117.March: Moderator: AAOS Annual Meeting. 

116.March: Faculty: FOSA/Specialty Day AAOS on Ankylosing Spondylitis. 115.NASS 2019 –SI Joint Fusion Hands-On Workshop (NASS "After Hours" program) – Faculty instructor (Chicago, IL). 

114.November: Minimally Invasive Spine Fusion. Stryker MIS Course (Las Vegas). 113.October: NASS MIS Course. Image Guidelines and Computer Navigation (St.  Louis). 

112.September: SMISS: Neuromonitoring in Minimally Invasive Cervical Spine Surgery: What's the Value? When? Why? (Las Vegas). 

111.September: SMISS 2018 Session 4: Technology Updates. Moderator (Las Vegas). 110.September: SMISS 2018. Session 5: Ambulatory Spine Surgery/Multimodal  Analgesia Techniques (Las Vegas). 

109.July: National Medical Association Meeting. What's New In Spine Surgery?  (Orlando, FL). 

108.July: Keynote speaker. Minimally Invasive Fusion. Stryker MIS Course (Cologne,  Germany). 

107.June: The 15th Annual State of Spine Surgery Think Tank. Debate: Expandable  Cages: Another Marketing gimmick! (Aruba). 

106.June: The 15th Annual State of Spine Surgery. Program Director Young Surgeon  Forum (Aruba). 

105.May: Debate: Against Interspinous Devices. Stryker Great Debates (Miami). 104.May: Debate: Against Sacroiliac Fusion. Stryker Great Debates (Miami). 103.May: NJ Annual Bar Association Convention. 

102.April: Annual Philadelphia Spine Summit, Session 1 Laser Spine Surgery  (Philadelphia, PA). 

101.March: AAOS Instructional Course Lecture: Avoiding and Managing Complications  in Routine Lumbar Spine Surgery (New Orleans). 

100.March: AAOS Instructional Course Lecture: Management of Adult Lumbar Spine  Problems for General Orthopaedic Surgeons: A Practical Guide (New Orleans). 99. March: FOSA/Specialty Day Debate: Cervical Epidural Injections. 98. November: Moderator: Cervical Spine Research Society Session IV: TRAUMA. 97. October: Spine Motion Technology presentation, NASS (Orlando, FL). 96. October: Young Spine Surgeons Forum, NASS (Orlando, FL). 

95. September: SMISS Annual Forum 2017 Program, Motion Preservation Cost  Effectiveness (Las Vegas). 

94. September: SMISS 2017 Moderator Session IV: TRAUMA. 

93. June: 14th Annual Cabo Meeting: State of Spine Surgery Think Tank (San Jose del  Cabo, Mexico). 

92. May: Baylor Grand Rounds, What's New in Surgical Site Infection Prevention?  (Houston, Texas). 

91. March: FOSA 2017 Specialty Day Debate: Case 1: Severe Cervical Stenosis without  Myelopathy (San Diego). 

90. March: FOSA 2017 Specialty Day Debate Case 2: Degenerative Spondylolisthesis  with Adjacent Level Stenosis (San Diego). 

89. March: FOSA 2017 Specialty Day Debate Case 3: Case 3: L5-S1 Low Grade Adult  Isthmic Spondylolisthesis (San Diego). 

88. February: HSS Grand Rounds, Hospital for Special Surgery (New York, NY). 87. June: David B. Levine Deformity Symposium, Hospital for Special Surgery, How a  Cervical Degenerative Case Becomes a Deformity (New York). 

86. May: Philadelphia Spine Society: Expandable Cages Pros and Cons. 85. April: International Society for the Advancement of Spine Surgery Meeting: Against  Expandable Cages (Las Vegas). 

84. March: Debate: Timing of Surgery for Central Cord Syndrome, American Academy  of Orthopedic Surgeons (Orlando). 

83. March: Debate: Against Sacroiliac Joint Fusion, American Academy of Orthopedic  Surgeons (Orlando). 

82. March: AANS/CNS Joint Section Neurosurgery Meeting: Cost Effectiveness of  Cervical Disc Replacement (Orlando). 

81. March: AANS/CNS Joint Section Neurosurgery Meeting: Discussion of Sagittal  Balance in Spinal Alignment (Orlando). 

80. March: AANS/CNS Joint Section Neurosurgery Meeting: How the Masters Avoid  Disasters: How a Degenerative Case Becomes a Deformity (Orlando). 79. March: AANS/CNS Joint Section Neurosurgery Moderator (Orlando). 78. Simplify Medical (Cervical Disc Replacement) Course Faculty (Dallas). 77. December: CSRS Moderator: Cervical Spine Research Society. 76. November: Cervical Spine Research Society Moderator: Session XII: TRAUMA. 75. October: NASS Young Surgeon Forum Moderator. 

74. October: NASS Symposium: Public Transparency and Spine Care. 73. June: AAOS Webinar Basic Science Review (Chicago). 

72. June: AAOS Webinar Basic Science Review Part 2 (Chicago). 

71. May: Innovative Methods of Correcting Significant Spine Deformity, Anterior  Interbody Fusion vs. Lateral Interbody Fusion vs. Posterior Osteotomy. Philadelphia  Spine Society Meeting. 

70. April: Biomechanics. AAOS Board Review Course (Chicago). 

69. April: Molecular Biology. AAOS Board Review Course (Chicago). 68. April: Connective Tissues, Nerve Tissues, Muscle Tissues. AAOS Board Review  Course (Chicago). 

67. April: Cartilage. AAOS Board Review Course (Chicago). 

66. April: Bone Metabolism, Pathological Conditions, Fracture Healing. AAOS Board  Review Course (Chicago). 

65. April: Bone Biology. AAOS Board Review Course (Chicago). 

64. March: FOSA: Management of post op infection – posterior decompression, fusion  and instrumentation with and without TLIF PEEK cage (for DS and stenosis). AAOS Specialty Day. 

63. March: Vancomycin Powder in Spine Surgery. Joint Section AANS/CNS  Neurosurgery Meeting (Phoenix). 

62. November: "Defining Value in Spine Care" IEP Meeting (Scottsdale). 61. November: "ACDF is the Gold Standard for Cervical Radiculopathy" IEP Meeting  (Scottsdale). 

60. November: "Session Moderator: Biologics/New Technology" IEP Meeting  (Scottsdale). 

59. November: "Case Presentation: Lumbar Disc Herniations" IEP Meeting (Scottsdale). 58. November: "Blood Management" IEP Meeting (Scottsdale). 

57. November: "North American Spine Society Young Surgeons Forum" (San  Francisco). 

56. October: "Hemostasis" Medtronic Advanced Energy Training (Tampa, FL). 55. October: "Complication Avoidance in Spine Surgery" Medtronic Advanced Energy  Training (Tampa, FL). 

54. September: "Cortical Screw Applications." Globus/SMISS Symposium (Miami). 

53. September: "Bilateral Percutaneous Screw/Rod Construct (T10-L2) for Simulated  Damage Control Fixation of T12 Burst Fracture." AAOS/LSRS Training Course  (Rosemont). 

52. September: "How to Do MIS Safely Without Harming My Patients." AAOS/LSRS  Training Course (Rosemont). 

51. August: "Update on Lumbar Disc Replacement." ProDisc Publication Committee  Meeting (Dallas). 

50. June: "Osteotomies Are Too High Risk: Debate at Spine Technology Educational  Summit" (Los Cabos, Mexico). 

49. June: "Laminoplasties Are Not Worth The Risk: Debate at Spine Technology  Educational Summit" (Los Cabos, Mexico). 

48. May: "Minimally Invasive Spine Anatomy" SMISS/PASE Course (St. Louis). 47. May: "Lateral Surgery Complication Avoidance" SMISS/PASE Course (St. Louis). 46. March: FOSA: "Update on SPORT Study" AAOS Specialty Day. 45. March: "Hemostasis" Medtronic Advanced Energy Training (Tampa, FL). 44. March: "Complication Avoidance in Spine Surgery" Medtronic Advanced Energy  Training (Tampa, FL). 

43. November: "Hemostasis" IEP Spine Fellows Course (Las Vegas, NV). 42. November: "Complication Avoidance" IEP Spine Fellows Course (Las Vegas, NV). 41. October: "Preventing Spine Surgical Site Infections." Georgetown University  Department of Orthopedic Surgery Grand Rounds. 

40. October: "Minimally Invasive Spine Surgery Faculty" North American Spine Society Pre-Course. 

39. October: "Finding an Academic Job." NASS Young Surgeons Forum. 38. August: "Current Concepts in Cervical Trauma" North American Spine Society  Summer Meeting (Naples, FL). 

37. July: "AO Cervical Spine Classification." Association for Collaborative Spine  Research. 

36. April: "Sagittal Balance in Lumbar Surgery." Globus/MERC Residents/Fellows  Course. 

35. April: "Managing Perioperative Complications." Globus/MERC Residents/Fellows  Course. 

34. April: "Introduction to Microsurgical Anatomy." AAOS/Practical Anatomy in  Surgical Education Minimally Invasive Surgery Course. 

33. April: "Radiation Safety." AAOS/Practical Anatomy in Surgical Education  Minimally Invasive Surgery Course. 

32. March: "Complications in Treating Spinal Trauma--Infection and Wound  Complications: Evaluation, Management and Prevention". AAOS Specialty Day  Lecture. 

31. March: "Effect of Obesity on Outcome of Spine Surgery." AAOS Forum on Obesity  in Spine Surgery. 

30. February: "Long Term Data on Treatment of Degenerative Spondylolisthesis in the  Elderly" Debate at North American Spine Society Winter Summit. 

29. February: "Epidural Steroid Injections Are Associated With Less Improvement in the Treatment of Degenerative Spondylolisthesis" Debate at North American Spine  Society Winter Summit. 

28. February: S2 Alar Screws versus Iliac Bolts." Debate at the Association for  Collaborative Spinal Research Course. 

27. February: "Recombinant Human Bone Morphogenic Protein." Debate at the  Association for Collaborative Spinal Research Course. 

26. February: "Steroids for Spinal Cord Injury." Debate at the Association for  Collaborative Spinal Research Course. 

25. February: "AO Spine Cervical Fracture Classification Knowledge Forum". 24. September: "Cervical Sagittal Balance." Invited Faculty Scoliosis Research Society  Half Day Course. 

23. August: "AO Spine Classification Knowledge Forum." Invited Faculty (Amsterdam). 22. May: "Recombinant Human Bone Morphogenic Protein." Debate at the Association  for Collaborative Spinal Research Course. 

21. March: "Complications of Minimally Invasive Spine Surgery." Invited Faculty  AAOS/PASE Spine Course. 

20. February: "Cervical Trauma Classification" ACSR Meeting. 

19. February: Instructional Course Lecture. Advanced Surgical Techniques for Sagittal  Plane Spinal Deformity. American Academy of Orthopedic Surgeons. 18. February: "AO Spine Classification Knowledge Forum." Invited Faculty  (Amsterdam). 

17. February: Assessing Direct and Indirect Costs Spine Value Council Annual Meeting. 16. November: Does Spinal Alignment Influence Acetabular Orientation? A Study of  Spinopelvic Parameters and Sagittal Acetabular Version. North American Spine  Society. 

15. October: "Blood Pressure Management in SCI." American Spinal Cord Injury  Association Annual Meeting. 

14. February: Instructional Course Lecture Spinal Osteotomies Table Instructor,  American Academy of Orthopedic Surgeons. 

13. February: "Techniques in Spinal Osteotomies for Deformity." Table Instruction.  Instructional Course. American Academy of Orthopaedic Surgeons Annual Meeting. 12. October: "Timing of Surgery of Spinal Cord Injury." American Spinal Cord Injury  Association Annual Meeting. 

11. September: "Treatment of Degenerative Scoliosis." Visiting Professor, Department  of Orthopaedic Surgery, University FM-ABC (Sao Paulo, Brazil). 

10. September: "Treatment of Spinal Metastatic Disease." Visiting Professor,  Department of Orthopaedic Surgery, University FM-ABC (Sao Paulo, Brazil). 9. August: Update on Value in Spine Care. Council on Value in Spine Care Semiannual meeting (Chicago). 

8. November: "CT Assessment Of Craniocervical Normative Anatomy." North  American Spine Society Annual Meeting (San Francisco). 

7. November: "Evidence Based Spine Care. Lessons from the SPORT Trial."  University of Texas, Houston Orthopedic Grand Rounds. 

6. October: "Cost Effectiveness Cervical Total Disk Replacement vs. ACDF." Spine  Value Council Meeting (Philadelphia). 

5. August: "Cervical Spine Trauma." Grand Rounds Resident Conference at Baylor  College of Medicine Dept of Orthopedic Surgery. 

4. June: Radcliff K, Ben-Galim P, Dreingel N, Hipp J, Heggeness MH, Reitman CA.  CT Criteria for Diagnosis of Occipitocervical Injury. Presented at American College  of Spine Surgeons. 

3. January: "Cervical Spine Trauma Update." Grand Rounds Resident Conference at  Louisiana State University Department of Orthopedic Surgery. 

2. January: "Emerging Concepts In Management of Cervical Spine Trauma." Grand  Rounds Resident Conference at Louisiana State University Department of  Orthopedic Surgery. 

1. October: "Orthopedic Ethics." Grand Rounds Presentation at Baylor College of  Medicine (Houston, Texas). 

Abstracts & Posters Presented at Scientific Meetings 

110.Use of Calcium Sulfate Beads Is Associated with Increased Complication Rates  After Lumbar or Cervical Spine Fusion. Presented at ISASS 2020. 

109.Which Cervical Radiographic Measurements Are Important for Patient Reported  Outcomes in ACDF Patients? Presented at ISASS 2020. 

108.Does Pre-existing Cervical Deformity Affect Patient Outcomes in Patients  Undergoing ACDF for Degenerative Disease? Presented at ISASS 2020. 

107.PI-LL Mismatch Does Not Influence Patient Reported Outcome Measurements After Lumbar Decompression. Presented at ISASS 2020. 

106.Is Facet Joint Distraction a Cause of Postoperative Axial Neck Pain After ACDF  Surgery? Presented at ISASS 2020. 

105.How Much Do Patients With Predominantly Neck Pain Improve After Acdf Surgery  For Cervical Radiculopathy? Presented at CSRS 2019. 

104.Home Versus Standard Physical Therapy After Acdf Surgery: Preliminary Results  Of Health-Related Quality Of Life Outcomes From A Randomized Controlled Trial. Presented at CSRS 2019. 

103.Does Neurologic Diagnosis Affect Improvement In Neck Pain After Acdf Surgery? Presented at CSRS 2019. 

102.Does Chronic Preoperative Opioid Use Affect Patient Outcomes After Acdf Surgery. Presented at CSRS 2019. 

101.Titanium Implants Manufactured with Proprietary 3D-printing Build Themes  Contain Surface Features that Increase Biologic Activity. Presented at SMISS 2019. 

100.Do Patients with Dominant Neck Pain Improve as Much as Patients with Dominant  Arm Pain After Cervical Spine Surgery? Presented at ISASS 2019. 

99. Do Preoperative Cervical Epidural Steroid Injections Affect Outcomes After ACDF  for Radiculopathy? Presented at CSRS 2018. 

98. Are Outcomes of ACDF Influenced by Presurgical Depressive Symptoms on the  Mental Component Score of the Short Form 12 Survey? Presented at CSRS 2018. 

97. Does Severity of Preoperative Myelopathy Symptoms Impact Health-Related  Quality of Life in Cervical Spondylotic Myelopathy? Presented at CSRS 2018. 

96. Does Duration of Preoperative Radiculopathy Symptoms Impact Postoperative  Outcomes and Reoperations After an ACDF? Presented at CSRS 2018. 

95. Changes in Radiographic Alignment Do Not Influence the Development of  Postoperative C5 Palsy. Presented at NASS 2018. 

94. No Difference in Reoperation Rates or Outcomes for a Two-Level Posterolateral  Fusion Augmented with Single- versus Two-Level Transforaminal Lumbar  Interbody Fusion. Presented at NASS 2018. 

93. Meeting. Presented as a poster at AOA 2018. 

92. Patient Factors Associated with the Risk of Adjacent Level Subsequent Surgery after Cervical Total Disc Replacement (TDR) or Anterior Cervical Discectomy and  Fusion (ACDF). Presented at ISASS 2018. 

91. Does Screw Density Affect the Revision Rate of a Multilevel Posterior Cervical  Decompression and Fusion. Presented at CSRS 2017. 

90. The Real Costs of ACDF: A Time-Driven Activity-Based Costing Analysis. Presented at CSRS 2017. 

89. Two-Year Surgical Outcomes of Patients with Cervical Myelopathy: An Analysis of  the Impact of Patient Characteristics, Operative Data, and Preoperative Nonoperative Treatment Modalities. Presented at CSRS 2017. 

88. Item-Specific Improvements in Neck Disability after TDR or ACDF: A Post-Hoc  Analysis of Self-Reported Outcomes from a Prospective Clinical Trial. Presented at  CSRS 2017. 

87. Clinical Outcome Following Revision Surgery for Patients with Cervical  Spondylotic Myelopathy. Presented as a poster at ISASS 2017. 

86. Top-box Scoring Methodology Does Not Overly Skew Interpretation of Patient  Satisfaction Scores. Presented as a poster at ISASS 2017. 

85. Posterior 337 Gender and Self-reported Health Status Are Associated with Clinical  Encounter Patient Satisfaction. Presented as a poster at ISASS 2017. 

84. Application of Personalized Medicine Analytics in the Decision to Use Pulsed  Electromagnetic Field Therapy (PEMF) after Anterior Cervical Discectomy and  Fusion (ACDF). Presented as a poster at ISASS 2017. 

83. 178Which Domains of the ODI Are Associated with Improved Physical Health  Status after One-level Fusion for Lumbar Degenerative Spondylolisthesis? Presented as a poster at ISASS 2017. 

82. (pg. 294) Complications Associated with Surgical Management of Cervical  Myelopathy: An Analysis of Risk Factors and HRQOL Outcomes Using Baseline  Characteristics. Presented as a poster at CSRS 2017. 

81. Comparative Radiographic Analysis and Functional Score Correlation Between  Operatively and Nonoperatively Treated Lumbar Spondylolisthesis Patients. Presented as a poster at NASS 2017. 

80. Functional Comparison Between Operatively and Nonoperatively Treated Lumbar  Spondylolisthesis Patients. Presented as a poster at NASS 2017. 

79. Does baseline sagittal balance influence the surgical outcomes of patients with L4/5  degenerative spondylolisthesis? Presented as a poster at AAOS 2017. 78. Outcomes after surgical management for L4/5 degenerative spondylolisthesis. Presented as a poster at AAOS 2017. 

77. Which Domains of the Ndi Improve Most after Surgery for Cervical Myelopathy? Presented at CSRS 2016. 

76. Diminished Mental Health Prior to Cervical Fusion Can Have a Profound Effect on  Patient Derived Outcomes Depending on Presenting Diagnosis: Results of a  Prospective Surgeon Driven Cervical Database at 2 Years. Presented at CSRS 2016. 

75. The Total Cost to the Healthcare System for the Treatment of Spinal Stenosis with  and without Spondylolithesis. Presented as a poster at NASS 2016. 

74. Postoperative Surgical Site Infection Increases Mortality Following Elective Spine  Surgery. Presented as a poster at NASS 2016. 

73. Comparison of Baseline Radiographic Alignment with. Presented at NASS 2016. 

72. Clinical Outcomes of Operative versus Nonoperative Treatment of Adult Scoliosis:  A Comparison Using 4 Standardized Outcomes Measure. Presented at NASS 2016. 

71. The Total Cost to the Healthcare System and Downstream E ects of Adult Spinal  Deformity. Presented at NASS 2016. 

70. Correlating Patient Reported Outcomes to Patient Satisfaction in Patients with a  Lumbar Disc Herniation. Presented at NASS 2016. 

69. Variables that Predispose a Spine Patient to a Non- Emergent Transfer to a Tertiary  Care Hospital. Presented at NASS 2016. 

68. Outcomes After Four-Level Anterior Cervical Diskectomy and Fusion. Presented at  NASS 2016. 

67. Radiographic Analysis of Cervical Myelopathy Patients. Presented at NASS 2016. 66. Does Sagittal Balance Influence the Surgical Outcomes of Patients with Cervical  Myelopathy? Presented at NASS 2016; also presented as a poster at AAOS 2017. 65. Outcomes of Treatment for Cervical Myelopathy. Presented at NASS 2016; also  presented as a poster at AAOS 2017. 

64. Seven-Year Clinical Results of Cervical Total Disc Replacement Compared with  Anterior Discectomy and Fusion for Treatment of Two-Level Symptomatic  Degenerative Disc Disease: A Prospective, Randomized, Controlled, Multicenter  FDA Clinical Trial. Presented at NASS 2016 and ISASS 2017. 

63. Opioid-related Adverse Events With Lumbar Spine Surgery: Is The Risk Real? Presented as a poster at LSRS 2016. 

62. The Positive Effect of Continued Motion of a Cervical Artificial Disc Replacement  on Radiographic Adjacent Level Degeneration at Long Term Follow-Up. Presented  at ISASS 2016. 

61. Predictors of Upper Body Post-Operative Pain/Disability in Surgical Cervical  Radiculopathic Patients. Presented at AAOS 2016. 

60. Analysis of Postoperative Clinical Outcomes between Patients with and without  History of Cervical Spine Surgery: A Multicenter Study of 1286 Patients of Two Year Follow-Up. Presented as a poster at NASS 2015. 

59. Is the CARDS Classification for Degenerative Spondylolisthesis Predictive of  Preoperative Outcome Scores? Presented as a poster at NASS 2015. 58. Seven-Year Cost-Effectiveness of Cervical Disc Replacement Versus Anterior  Cervical Discectomy and Fusion: Results from Investigational Device Exemption  and Post-Approval Studies of ProDisc®-C Total Disc Replacement. Presented at  NASS 2015. 

57. The Benefit of Continued Motion of a Cervical Artificial Disc Replacement on  Radiographic Adjacent Level Degeneration at Seven-Year Follow-Up. Presented at  NASS 2015. 

56. Nonoperative Treatment Modalities Prior to Cervical Surgery Affect Patient  Outcomes: An Analysis of 1522 Patients. Presented at NASS 2015. 

55. Reliability of the Recently Proposed CARDS Classification for Degenerative  Spondylolisthesis. Presented at NASS 2015. 

54. Does Patient Satisfaction Reflect Quantitative Pain and Function Measurements in  Cervical Spine Surgery? Presented at NASS 2015. 

53. Surgical Management of Cervical Myelopathy: An Analysis of Patient  Characteristics, Surgical Procedures, Complication Rates and Risk Factors. Presented October 2015. 

52. Clinical Obesity in Total Disc Replacement and Anterior Cervical Discectomy and  Fusion Patients through Five Years Follow-Up. Presented at CSRS 2015. 51. Cost-Analysis of a Minimally Invasive Lumbar Decompression versus an Open  Lumbar Decompression. Presented at SMISS 2015. 

50. A Survey On Spine Surgeons’ Opinions On The Release Of The Cms Data. Presented at LSRS 2015. 

49. Biomechanical Comparison of Cortical Screws to Traditional Pedicle Screws with  Immediate and Simulated Long-term Stabilization Results in a Lumbar  Laminectomy Model. Presented at AANS/CNS 2015. 

48. Predictors of Two-year Surgical Outcomes of Patients with Cervical Myelopathy: An Analysis of 203 Patients. Presented at ISASS 2015. 

47. Analysis of Post-operative Clinical Outcome between Patients with and without  History of Prior Cervical Spine Surgery - a Multicenter Study of 1313 Patients of 2- year Follow-up from the Association for Collaborative Spinal Research. Presented  at ISASS 2015. 

46. Non-Operative Treatment Modalities Prior to Cervical Surgery affects Patient  Outcomes: An Analysis of 1818 Patients. Presented as a poster at CSRS 2014 and  ISASS 2016. 

45. How Does State Income and the Number of Uninsured Patients Relate to Hospital  Charges for Spine Care? Presented as a poster at NASS 2014. 

44. Can Cortical Screws Provide the Same Resistance to Catastrophic Hardware Failure  as Traditional Pedicle Screws following Simulated Fatigue: A Biomechanical  Investigation. Presented at SMISS 2014. 

43. Simulating the Long-Term Biomechanical Performance of Cortical Screws: Can a  more MIS Screw Option Provide Equivalent Stability as Traditional Pedicle Screws? Presented at SMISS 2014. 

42. C-arm Positioning is a Significant Source of Unnecessary Radiation Exposure. Presented at SMISS 2014 and ISASS 2015. 

41. Patients with Preexisting Hypertension have Less Early Neurologic Recovery after  Traumatic Spinal Cord Injury (SCI). Presented as a poster at CSRS 2013. 40. Primary, Secondary, and Translational Motions of the Craniocervical Junction: A  Biomechanical Investigation. Presented as a poster at CSRS 2013. 

39. Primary Closure versus paraspinous muscle flaps for spinal surgical site infections:  A survivorship analysis. Presented at NASS 2013. 

38. Ligamentous Stabilizers at Craniocervical Junction. Presented as a poster at SRS  2013. 

37. Instrumentation Constructs in Occipitocervical Dissociation. Presented at IMAST  2013. 

36. Survivorship of Cervical Disk Arthroplasty versus ACDF: A Review of the Blue  Health Intelligence Database. Spine Technology Symposium. Los Cabos, Mexico. Presented June 2013. 

35. Clinical Validation of a Novel, Anatomically Based Classification of Cervical  Stenosis. Presented at AAOS 2013. 

34. MRI Evaluation of Postoperative Epidural Fluid Collections. Presented at LSRS  2013. 

33. Is Limb Length Discrepancy Related to Degenerative Scoliosis? Presented at LSRS  2013. 

32. Complications of Flat Bedrest Following Incidental Dural Repair. Presented at LSRS 2013. 

31. Comparative Survivorship on role of Primary Closure versus Complex Muscle Flap  Closure Procedure after irrigation and debridement for deep spinal surgical  site infection. Presented at LSRS 2013. 

30. C2 Vertical Axis is Associated with Outcome of Cervical Laminectomy and Fusion. Presented as a poster at AAOS 2013. 

29. Does Neurological Status Correlate with Postoperative Surgical Site Infection  following Posterior Cervical Surgery? Presented as a poster at CSRS 2012. 28. Adjacent Segment Disease After Cervical Arthroplasty versus ACDF. Presented at  CSRS 2012. 

27. National Trends in the Use of Interbody Fusion Techniques to Treat Degenerative  Spondylolisthesis: Data from the American Board of Orthopaedic Surgeons (ABOS). Presented at NASS 2012, IMAST 2012, and Spine Study Group 2012. 

26. Development of a Novel, Reproducible Classification of Cervical Stenosis. Presented at Spine Study Group 2012. 

25. Stochastic Simulation of Operative vs. Non-operative Management of Odontoid  Fracture in the Elderly. Presented at AAOS 2012. 

24. Implant Costs, Fixation Points, and Patient Outcomes: Implications for the Surgical  Treatment of AIS. Presented at AAOS 2012. 

23. The Correlation Between Frequency of Surgical Site Infections and Surgery Case  Order. Presented at AAOS 2012. 

22. Do Epidural Steroid Injections Affect Outcomes for Lumbar Stenosis and  Degenerative Spondylolisthesis Patients? Presented at AAOS 2012. 21. Reoperation Following Degenerative Spondylolisthesis Surgery: A Subgroup  Analysis of the SPORT. Presented at AAOS 2012. 

20. Incidence of Undiagnosed Cervical Myelopathy in Patients with Odontoid Fractures. Presented at CSRS 2011 and AAOS 2012. 

19. Does Weakness Affect the Outcome of Patients Treated for Lumbar Disc  Herniation? A Subgroup Analysis of the SPORT Study . Concurrent Session:  Lumbar Decompression. Presented at NASS 2011. 

18. Predictors of Reoperation in Lumbar Stenosis and Degenerative Spondylolisthesis  Surgery: A Subgroup Analysis of the SPORT Study. Concurrent Session: Lumbar  Decompression. Presented at NASS 2011. 

17. Does Iliac Crest Autograft Affect the Outcome of Fusion in the Setting of  Degenerative Spondylolisthesis? A Subgroup Analysis of the SPORT Study FPP:  Bone Grafting and Substitutes. Presented at NASS 2011. 

16. The Impact of Epidural Steroid Injections on the Outcome of Patients Treated for  Lumbar Disc Herniation: A Subgroup Analysis of the Spine Patient Outcomes  Research Trial (SPORT). Concurrent Session: Lumbar Decompression. Presented at NASS 2011. 

15. Do Epidural Steroid Injections Affect the Outcome of Patients Treated for Lumbar  Stenosis? A Subgroup Analysis of the SPORT General Session: Best Papers. Presented at NASS 2011. 

14. Best Posters Section. Neurologic Injury Due to Secondary Trauma After Type II  Odontoid Nonunion. Presented as a poster at NASS 2011. 

13. Leonard Goldstein Award Winner. The incidence of lumbar adjacent segment  disease: A comparison of single level fusion procedures. Presented as a poster at  SRS 2011. 

12. Does Single or Multilevel Laminectomy Predict Adjacent Segment Disease After  Lumbar Fusion? Presented at AAOS 2011. 

11. Does Vertebral Body Height Loss or Kyphosis Predict Ligamentous and Neurologic  Injury in Thoracolumbar Burst Fractures? Presented at AAOS 2011

 10. Effect of Epidural Steroid Injections on Outcome of Treatment of Intervertebral Disc Herniation, Spinal Stenosis, and Degenerative Spondylolisthesis. A subgroup  analysis of the Spine Patient Outcomes Research Trial (SPORT). Presented at AAOS 2011. 

9. Epidural steroid injections affect the outcome of lumbar disk herniation. A SPORT  subgroup analysis. Presented at AAOS 2011. 

8. Does a Multilevel Laminectomy with a Single Level PLF Increase the Risk of Adjacent Segment Disease. Presented at AAOS 2011. 

7. Spinal Cord Injury Associated with Type II Odontoid Fractures: Retrospective  Cohort Analysis. Presented at AAOS 2011. 

6. Radiographic Predictors of Postoperative C5 palsy After Cervical Laminectomy and  Fusion. Presented as a poster at CSRS 2010. 

5. Effect of Duration of Symptoms on Outcome of Treatment of Spinal Stenosis and  Degenerative Spondylolisthesis. A subgroup analysis of the

Spine Patient Outcomes  Research Trial (SPORT). Presented at IMAST 2010. 

4. Effect of Obesity on Outcome of Treatment of Intervertebral Disc Herniation, Spinal  Stenosis, and Degenerative Spondylolisthesis. A subgroup analysis of the Spine  Patient Outcomes Research Trial (SPORT). Presented at NASS 2010. 

3. Occipital Condyle Plumb Line Is Predictive of Outcome of Cervical Laminectomy  and Fusion. Presented at NASS 2010. 

2. CT and MRI Characteristics of Occipitocervical Dislocations. Presented at NASS  2010. 

1. Predictors of Reoperation of Intervertebral Disc Herniation, Spinal Stenosis, and  Degenerative Spondylolisthesis: A subgroup analysis of the Spine Patient Outcomes  Research Trial (SPORT). Presented as a poster at AAOS 2010.

FDA Clinical Trial Investigator Experience 

1. Principal Investigator, Seikugeiku Investigational Device Exemption Study of  Condoliase 

2. Principal Investigator, Orthofix Cervi-Stim Trial 

3. Principal Investigator, Orthofix Spinal Stim Trial 

4. Principal Investigator, Orthofix Retrospective Analysis 

5. Principal Investigator, Simplify Medical Investigational Device Exemption Study  of Disc Replacement versus Fusion 

6. Principal Investigator, Biocomposites Limited Study of Calcium Sulfate  Absorbable Beads in Spine Fusion 

7. Principal Investigator, 4Web Medical Study of Outcome of Truss Implants in 3  and 4 Level Cervical Fusion 

8. Investigator, Relievant Medisystems Study of Basivertebral Nerve Ablation