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Ahmad Nassr, M.D.

  1. Orthopedic Surgeon
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Publicaciones

  1. Nassr A. Biomechanical analysis of lumbar decompression technique and the effect on spinal instability: a narrative review AME Medical Journal. 2024.
  2. Nassr A. Risk factors for pathologic fracture following stereotactic body radiotherapy for spinal metastases Journal of Neurosurgery: Spine. 2024.
  3. Nassr A. Maintenance of Intraoperative Correction with Multi-Rod Constructs in Adult Long Construct Spine Fusion Surgery Spine Deformity. 2024.
  4. Bak AB, Moghaddamjou A, Alvi M, Ahn H, Farhadi HF, Shaffrey CI, Nassr A, Mummaneni P, Arnold PM, Jacobs WB, Riew KD, Kelly M, Brodke DS, Vaccaro AR, Hilibrand AS, Wilson J, Harrop JS, Yoon ST, Kim KD, Fourney DR, Santaguida C, Massicotte EM, Kopjar B, Fehlings MG. Postoperative C5 Palsy after Anterior or Posterior Decompression for Degenerative Cervical Myelopathy: A Subgroup Analysis of the Multicenter, Prospective, Randomized, Phase III, CSM-Protect Clinical Trial. Spine (Phila Pa 1976). 2024 Oct 15; 49 (20):1410-1416 Epub 2024 Apr 15
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  5. Levy HA, Pinter ZW, Reed R, Harmer JR, Raftery K, Nathani KR, Katsos K, Bydon M, Fogelson JL, Elder BD, Currier BL, Newell N, Nassr AN, Freedman BA, Karamian BA, Sebastian AS. Transforaminal lumbar interbody fusion subsidence: computed tomography analysis of incidence, associated risk factors, and impact on outcomes. J Neurosurg Spine. 2024 Oct 1; 41 (4):463-472 Epub 2024 July 05
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  6. Petri F, Mahmoud OK, Zein SE, Alavi SMA, Passerini M, Diehn FE, Verdoorn JT, Tande AJ, Nassr A, Freedman BA, Murad MH, Berbari EF. Wide variability of the definitions used for native vertebral osteomyelitis: walking the path for a unified diagnostic framework with a meta-epidemiological approach. Spine J. 2024 Sep 28 Epub 2024 Sept 28
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  7. Alavi SMA, Petri F, Mahmoud OK, Igwilo-Alaneme R, El Zein S, Nassr AN, Gori A, Berbari EF. Culture-Negative Native Vertebral Osteomyelitis: A Narrative Review of an Underdescribed Condition. J Clin Med. 2024 Sep 28; 13 (19) Epub 2024 Sept 28
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  8. Girdler SJ, Lindsey MH, Sebastian AS, Nassr A. Osteoporosis Evaluation and Management in Spine Surgery. J Am Acad Orthop Surg. 2024 Sep 15; 32 (18):e909-e918 Epub 2024 July 30
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  9. Levy HA, Boere P, Randell Z, Bodnar J, Paulik J, Spina NT, Spiker WR, Lawrence BD, Brodke DS, Kurd MF, Rihn JA, Canseco JA, Schroeder GD, Kepler CK, Vaccaro AR, Currier B, Huddleston PM, Nassr AN, Freedman BA, Sebastian AS, Hilibrand AS, Karamian BA. Factors Related to Clinical Performance in Spine Surgery Fellowship: Can We Predict Success. J Am Acad Orthop Surg. 2024 Sep 15; 32 (18):e940-e950 Epub 2024 July 12
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  10. Mikula AL, Lakomkin N, Hamouda AM, Everson MC, Pennington Z, Kumar R, Pinter ZW, Martini ML, Bydon M, Kennel KA, Baffour F, Nassr A, Freedman B, Sebastian AS, Abode-Iyamah K, Anderson PA, Fogelson JL, Elder BD. Change in spinal bone mineral density as estimated by Hounsfield units following osteoporosis treatment with romosozumab, teriparatide, denosumab, and alendronate: an analysis of 318 patients. J Neurosurg Spine. 2024 Sep 1; 41 (3):309-315 Epub 2024 July 05
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  11. Levy HA, Pumford A, Kelley B, Allen TG, Pinter ZW, Girdler SJ, Bydon M, Fogelson JL, Elder BD, Currier B, Nassr AN, Karamian BA, Freedman BA, Sebastian AS. Unilateral versus bilateral pedicle screw fixation with anterior lumbar interbody fusion: a comparison of postoperative outcomes. Eur Spine J. 2024 Sep; 33 (9):3476-3483 Epub 2024 July 17
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  12. Bernatz JT, Goh BC, Skjaerlund JD, Mikula AL, Johnson SE, Bydon M, Fogelson J, Elder B, Huddleston P, Karim M, Nassr A, Sebastian A, Freedman B. Intraoperative Surgeon Assessment of Bone: Correlation to Bone Mineral Density, CT Hounsfield Units, and Vertebral Bone Quality. Spine (Phila Pa 1976). 2024 Aug 15; 49 (16):1125-1129 Epub 2023 Oct 19
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  13. Levy HA, Pinter ZW, Kazarian ER, Sodha S, Rhee JM, Fehlings MG, Freedman BA, Nassr AN, Karamian BA, Sebastian AS, Currier B. Contemporary Practice Patterns in the Treatment of Cervical Stenosis and Central Cord Syndrome: A Survey of the Cervical Spine Research Society. Clin Spine Surg. 2024 Aug 5 Epub 2024 Aug 05
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  14. Pinter ZW, Bernatz J, Mikula AL, Lakomkin N, Pennington ZA, Michalopoulos GD, Nassr A, Freedman BA, Bydon M, Fogelson J, Sebastian AS, Elder BD. Paraspinal Sarcopenia and Lower Hounsfield Units are Independent Predictors of Increased Risk for Proximal Junctional Complications Following Thoracolumbar Fusions Terminating in the Upper Thoracic Spine. Global Spine J. 2024 Aug 1; 21925682241270094 Epub 2024 Aug 01
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  15. Martini ML, Mikula AL, Lakomkin N, Pennington Z, Everson MC, Hamouda AM, Bydon M, Freedman B, Sebastian AS, Nassr A, Anderson PA, Baffour F, Kennel KA, Fogelson J, Elder B. Opportunistic CT-Based Hounsfield Units Strongly Correlate with Biomechanical CT Measurements in the Thoracolumbar Spine. Spine (Phila Pa 1976). 2024 Jul 15; 49 (14):1021-1028 Epub 2023 Sept 07
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  16. Pinter Z, Honig R, Sebastian A, Nassr A, Freedman B, Yaszemski M, Huddleston P 3rd, Berbari E, Currier B. Does Intrawound Vancomycin Decrease Postoperative Surgical Site Infection in Spine Surgery: A Retrospective Case-control Study. Clin Spine Surg. 2024 Jul 1; 37 (6):E264-E268 Epub 2024 Feb 05
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  17. Nassr A, Coric D, Pinter ZW, Sebastian AS, Freedman BA, Whiting D, Chahlavi A, Pirris S, Phan N, Meyer SA, Tahernia AD, Sandhu F, Deutsch H, Potts EA, Cheng J, Chi JH, Groff M, Anekstein Y, Steinmetz MP, Welch WC. Lumbar Facet Arthroplasty Versus Fusion for Grade-I Degenerative Spondylolisthesis with Stenosis: A Prospective Randomized Controlled Trial. J Bone Joint Surg Am. 2024 Jun 19; 106 (12):1041-1053 Epub 2024 May 07
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  18. Fehlings MG, Pedro KM, Alvi MA, Badhiwala JH, Ahn H, Farhadi HF, Shaffrey CI, Nassr A, Mummaneni P, Arnold PM, Jacobs WB, Riew KD, Kelly M, Brodke DS, Vaccaro AR, Hilibrand AS, Wilson J, Harrop JS, Yoon ST, Kim KD, Fourney DR, Santaguida C, Massicotte EM, Huang P. Riluzole for Degenerative Cervical Myelopathy: A Secondary Analysis of the CSM-PROTECT Trial. JAMA Netw Open. 2024 Jun 3; 7 (6):e2415643 Epub 2024 June 03
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  19. Levy HA, Pinter ZW, Pumford A, Padilla S, Salmons HI, Townsley S, Katsos K, Clarke M, Bydon M, Fogelson JL, Elder BD, Currier B, Freedman BA, Nassr AN, Karamian BA, Sebastian AS. The effect of C2 screw type on perioperative outcomes and long-term stability after C2-T2 posterior cervical decompression and fusion. Eur Spine J. 2024 Jun; 33 (6):2314-2321 Epub 2024 Apr 02
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  20. Pennington Z, Mikula AL, Lakomkin N, Martini M, Pinter ZW, Shafi M, Hamouda A, Bydon M, Clarke MJ, Freedman BA, Krauss WE, Nassr AN, Sebastian AS, Fogelson JL, Elder BD. Bone Quality as Measured by Hounsfield Units More Accurately Predicts Proximal Junctional Kyphosis than Vertebral Bone Quality Following Long-Segment Thoracolumbar Fusion. World Neurosurg. 2024 Jun; 186:e584-e592 Epub 2024 Apr 07
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  21. Nassr A. CORR Insights(R): Does A Hinged Operating Table Facilitate Sagittal Correction in Transforaminal Lumbar Interbody Fusion With Smith-Peterson Osteotomy? A Radiographic Analysis. Clin Orthop Relat Res. 2024 Jun 1; 482 (6):1071-1073 Epub 2024 Jan 02
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  22. Swart A, Hamouda AM, Pennington Z, Mikula AL, Martini M, Lakomkin N, Shafi M, Nassr AN, Sebastian AS, Fogelson JL, Freedman BA, Elder BD. Reduced Bone Density Based on Hounsfield Units After Long-Segment Spinal Fusion with Harrington Rods. World Neurosurg. 2024 May; 185:e509-e515 Epub 2024 Feb 17
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  23. Bernatz JT, Pumford A, Goh BC, Pinter ZW, Mikula AL, Michalopoulos GD, Bydon M, Huddleston P, Nassr AN, Freedman BA, Sebastian AS. MRI Vertebral Bone Quality Correlates With Interbody Cage Subsidence After Anterior Cervical Discectomy and Fusion. Clin Spine Surg. 2024 May 1; 37 (4):149-154 Epub 2024 May 02
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  24. Levy HA, Pinter ZW, Pumford A, Salmons HI, Townsley S, Katsos K, Reed R, Chen S, Abode-Iyamah K, Deen HG, Clarke M, Bydon M, Fogelson JL, Elder BD, Currier B, Freedman BA, Nassr AN, Karamian BA, Sebastian AS. The Effect of C2 Muscular Exposure Technique on Radiographic and Clinical Outcomes After C2-T2 Posterior Cervical Fusion. Clin Spine Surg. 2024 Apr 10 [Epub ahead of print]
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  25. Swart A, Hamouda A, Pennington Z, Lakomkin N, Mikula AL, Martini ML, Shafi M, Subramaniam T, Sebastian AS, Freedman BA, Nassr AN, Fogelson JL, Elder BD. Significant Reduction in Bone Density as Measured by Hounsfield Units in Patients with Ankylosing Spondylitis or Diffuse Idiopathic Skeletal Hyperostosis. J Clin Med. 2024 Mar 1; 13 (5) Epub 2024 Mar 01
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  26. Sullivan MH, Yu L, Schueler BA, Nassr A, Guerin J, Milbrandt TA, Larson AN. Radiation exposure in navigated techniques for AIS: is there a difference between pre-operative CT and intraoperative CT? Spine Deform. 2024 Mar; 12 (2):349-356 Epub 2023 Oct 23
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  27. Hamouda AM, Pennington Z, Astudillo Potes M, Mikula AL, Lakomkin N, Martini ML, Abode-Iyamah KO, Freedman BA, McClendon J Jr, Nassr AN, Sebastian AS, Fogelson JL, Elder BD. The Predictors of Incidental Durotomy in Patients Undergoing Pedicle Subtraction Osteotomy for the Correction of Adult Spinal Deformity. J Clin Med. 2024 Jan 7; 13 (2) Epub 2024 Jan 07
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  28. Levy HA, Pinter ZW, Honig R, Salmons HI 4th, Hobson SL, Karamian BA, Freedman BA, Elder BD, Fogelson JL, Nassr AN, Sebastian AS. A Standardized Curriculum Improves Trainee Rod Bending Proficiency in Spinal Deformity Surgery. Results of a Prospective Randomized Controlled Educational Study. J Am Acad Orthop Surg. 2024 Jan 1; 32 (1):e17-e25 Epub 2023 July 25
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  29. Pennington Z, Mikula AL, Lakomkin N, Martini M, Clarke MJ, Sebastian AS, Freedman BA, Rose PS, Karim SM, Nassr A, Bydon M, Kowalchuk RO, Merrell KW, Krauss WE, Fogelson JL, Elder BD. Comparison of Hounsfield units and vertebral bone quality score for the prediction of time to pathologic fracture in mobile spine metastases treated with radiotherapy. J Neurosurg Spine. 2024 Jan 1; 40 (1):19-27 Epub 2023 Oct 13
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  30. Petri F, Mahmoud O, El Zein S, Nassr A, Freedman BA, Verdoorn JT, Tande AJ, Berbari EF. It is time for a unified definition of native vertebral osteomyelitis: a framework proposal. J Bone Jt Infect. 2024; 9 (3):173-182 Epub 2024 June 24
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  31. Khan ASR, Currier BL, Erickson MM, Nassr A, El Tecle NE, Moussallem CD. C1-C2 Posterior Screw-Rod Fixation. Instr Course Lect. 2024; 73:651-664
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  32. Bernatz JT, Naylor RM, Goh BC, Brinjikji W, Sebastian A, Freedman B, Nassr A. Iatrogenic vertebral artery injury with concomitant contralateral idiopathic vertebral artery dissection managed with intravascular intervention: a case report. J Spine Surg. 2023 Dec 25; 9 (4):479-486 Epub 2023 Nov 29
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  33. Pinter ZW, Reed R, Townsley SE, Mikula AL, Dittman L, Xiong A, Skjaerlund J, Michalopoulos GD, Currier B, Nassr A, Fogelson JL, Freedman BA, Bydon M, Kepler CK, Wagner SC, Elder BD, Sebastian AS. Titanium Cervical Cage Subsidence: Postoperative Computed Tomography Analysis Defining Incidence and Associated Risk Factors. Global Spine J. 2023 Sep; 13(7):1703-1715. Epub 2021 Sep 24.
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  34. Fehlings MG, Moghaddamjou A, Harrop JS, Stanford R, Ball J, Aarabi B, Freeman BJC, Arnold PM, Guest JD, Kurpad SN, Schuster JM, Nassr A, Schmitt KM, Wilson JR, Brodke DS, Ahmad FU, Yee A, Ray WZ, Brooks NP, Wilson J, Chow DS, Toups EG, Kopjar B. Safety and Efficacy of Riluzole in Acute Spinal Cord Injury Study (RISCIS): A Multi-Center, Randomized, Placebo-Controlled, Double-Blinded Trial. J Neurotrauma. 2023 Sep; 40 (17-18):1878-1888 Epub 2023 July 13
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  35. Pinter ZW, Salmons HI 4th, Townsley S, Omar A, Michalopoulos G, Freedman BA, Currier BL, Elder BD, Nassr AN, Bydon M, Fogelson J, Sebastian AS. Semispinalis Cervicis Sarcopenia is Associated With Worsening Cervical Sagittal Balance and Junctional Alignment Following Posterior Cervical Fusion for Myelopathy. Clin Spine Surg. 2023 Aug 1; 36 (7):E288-E293 Epub 2022 Aug 09
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  36. Maamari J, Grach SL, Passerini M, Kinzelman-Vesely EA, Nassr A, Carr C, Diehn FE, Tande AJ, Murad MH, Berbari EF. The use of MRI, PET/CT, and nuclear scintigraphy in the imaging of pyogenic native vertebral osteomyelitis: a systematic review and meta-analysis. Spine J. 2023 Jun; 23 (6):868-876 Epub 2023 Feb 07
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  37. Samartzis D, Aboushaala K, Albert TJ, Cha T, Chee A, Diwan AD, Espinoza-Orias A, Hu SS, Inoue N, Jacobs JJ, Lenke LG, Louie PK, Martin JT, Nassr A, Oh C, Phillips FM, Riew KD, Shen FH, Tannoury C, Vaccaro AR, Wong AYL, Yoon ST. Howard S. An: 2023 International Society for the Study of the Lumbar Spine Wiltse Lifetime Achievement Award. Spine (Phila Pa 1976). 2023 Jun 1; 48 (11):810-813 Epub 2023 Mar 17
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  38. Pinter ZW, Reed R, Townsley SE, Mikula AL, Lakomkin N, Kazarian E, Michalopoulos GD, Freedman BA, Currier BL, Elder BD, Bydon M, Fogelson J, Sebastian AS, Nassr AN. Paraspinal Sarcopenia is Associated With Worse Patient-Reported Outcomes Following Laminoplasty for Degenerative Cervical Myelopathy. Spine (Phila Pa 1976). 2023 Jun 1; 48 (11):772-781 Epub 2023 Mar 27
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  39. Samartzis D, Aboushaala K, Albert TJ, Cha T, Chee A, Diwan AD, Espinoza-Orias A, Hu SS, Inoue N, Jacobs JJ, Lenke LG, Louie PK, Martin JT, Nassr A, Oh C, Phillips FM, Riew KD, Shen FH, Tannoury C, Vaccaro AR, Wong AYL, Yoon ST. Howard S. An: 2023 International Society for the Study of the Lumbar Spine Wiltse Lifetime Achievement Award. Spine (Phila Pa 1976). 2023 Jun 1; 48 (11):810-813 Epub 2023 Mar 17
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  40. Samartzis D, Aboushaala K, Albert TJ, Cha T, Chee A, Diwan AD, Espinoza-Orias A, Hu SS, Inoue N, Jacobs JJ, Lenke LG, Louie PK, Martin JT, Nassr A, Oh C, Phillips FM, Riew KD, Shen FH, Tannoury C, Vaccaro AR, Wong AYL, Yoon ST. Howard S. An: 2023 International Society for the Study of the Lumbar Spine Wiltse Lifetime Achievement Award. Spine (Phila Pa 1976). 2023 Jun 1; 48 (11):810-813 Epub 2023 Mar 17
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  41. Salmons HI, Pinter ZW, Streufert B, Sebastian AS, Nassr A, Investigation Performed at the Mayo Clinic, Rochester, MN. Performing 2-Stage Circumferential Fusion in an Adolescent With High-Grade Spondylolisthesis: A Surgical Technique. Clin Spine Surg. 2023 May 1; 36 (4):163-168 Epub 2022 Sept 23
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  42. Pinter ZW, Mikula AL, Reed R, Lakomkin N, Townsley SE, Wright B, Kazarian E, Michalopoulos GD, Currier B, Freedman BA, Bydon M, Elder BD, Fogelson J, Sebastian AS, Nassr A. Is Severe Neck Pain a Contraindication to Performing Laminoplasty in Patients With Cervical Spondylotic Myelopathy? Clin Spine Surg. 2023 Apr 1; 36 (3):127-133 Epub 2023 Mar 13
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  43. Pinter ZW, Freedman BA, Nassr A, Sebastian AS, Coric D, Welch WC, Steinmetz MP, Robbins SE, Ament J, Anand N, Arnold P, Baron E, Huang J, Whitmore R, Whiting D, Tahernia D, Sandhu F, Chahlavi A, Cheng J, Chi J, Pirris S, Groff M, Fabi A, Meyer S, Kushwaha V, Kent R, DeLuca S, Smorgick Y, Anekstein Y, TOPS Study Group. A Prospective Study of Lumbar Facet Arthroplasty in the Treatment of Degenerative Spondylolisthesis and Stenosis: Results from the Total Posterior Spine System (TOPS) IDE Study. Clin Spine Surg. 2023 Mar 1; 36 (2):E59-E69 Epub 2022 Aug 03
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  44. Masud S, Piche JD, Muralidharan A, Nassr A, Aleem I. Do Patients Accurately Recall Their Preoperative Symptoms After Elective Orthopedic Procedures? Cureus. 2023 Mar; 15 (3):e36810 Epub 2023 Mar 28
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  45. Pinter ZW, Mikula AL, Townsley SE, Salmons Iv HI, Lakomkin N, Michalopoulos GD, Nassr A, Freedman BA, Bydon M, Fogelson J, Sebastian AS, Elder BD. Lower Hounsfield Units and Severe Multifidus Sarcopenia Are Independent Predictors of Increased Risk for Proximal Junctional Kyphosis and Failure Following Thoracolumbar Fusion. Spine (Phila Pa 1976). 2023 Feb 15; 48(4):223-231. Epub 2022 Nov 02.
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  46. Pinter ZW, Mikula A, Shirley M, Xiong A, Michalopoulos G, Ghaith AK, Wagner S, Elder BD, Freedman BA, Nassr A, Bydon M, Currier B, Kaye ID, Kepler C, Sebastian AS. Risk Factors for Allograft Subsidence Following Anterior Cervical Discectomy and Fusion. World Neurosurg. 2023 Feb; 170:e700-e711 Epub 2022 Nov 26
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  47. Pinter ZW, Mikula A, Shirley M, Xiong AS, Michalopoulos G, Ghaith AK, Wagner S, Elder BD, Freedman BA, Nassr A, Bydon M, Currier B, Kaye ID, Kepler C, Sebastian AS. Risk factors for allograft subsidence following anterior cervical discectomy and fusion. World Neurosurgery. 2023 Feb; 170:E700-11
  48. Sullivan MH, Carlson BC, Milbrandt TA, Stans AA, Shaughnessy WJ, Nassr A, Larson AN. Sacropelvic fixation with S2-Alar-Iliac (S2AI) screws via CT-guided navigation J POSNA. 2023.
  49. Pinter ZW, Skjaerlund J, Michalopoulos GD, Nathani KR, Bydon M, Nassr A, Sebastian AS, Freedman BA. Dynamic Radiographs Are Unreliable to Assess Arthrodesis Following Cervical Fusion: A Modeled Radiostereometric Analysis of Cervical Motion. Spine (Phila Pa 1976). 2023 Jan 15; 48 (2):127-136 Epub 2022 Sept 06
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  50. Coric D, Nassr A, Kim PK, Welch WC, Robbins S, DeLuca S, Whiting D, Chahlavi A, Pirris SM, Groff MW, Chi JH, Huang JH, Kent R, Whitmore RG, Meyer SA, Arnold PM, Patel AI, Orr RD, Krishnaney A, Boltes P, Anekstein Y, Steinmetz MP. Prospective, randomized controlled multicenter study of posterior lumbar facet arthroplasty for the treatment of spondylolisthesis. J Neurosurg Spine. 2023 Jan 1; 38 (1):115-125 Epub 2022 Sept 23
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  51. Pinter ZW, Moore EJ, Rose PS, Nassr AN, Currier BL. En bloc resection of a high cervical chordoma followed by reconstruction with a free vascularized fibular graft: illustrative case. J Neurosurg Case Lessons. 2022 Dec 19; 4 (25)
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  52. Mikula AL, Lakomkin N, Pennington Z, Nassr A, Freedman B, Sebastian AS, Bydon M, Elder BD, Fogelson JL. Lumbar Lordosis Correction With Transforaminal Lumbar Interbody Fusion in Adult Spinal Deformity Patients with Minimum 2-Year Follow-up. World Neurosurg. 2022 Nov; 167:e295-e302 Epub 2022 Aug 08
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  53. Mikula AL, Lakomkin N, Pennington Z, Pinter ZW, Nassr A, Freedman B, Sebastian AS, Abode-Iyamah K, Bydon M, Ames CP, Fogelson JL, Elder BD. Association between lower Hounsfield units and proximal junctional kyphosis and failure at the upper thoracic spine. J Neurosurg Spine. 2022 Nov 1; 37 (5):694-702 Epub 2022 May 13
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  54. Pinter ZW, Salmons HI 4th, Townsley S, Omar A, Freedman BA, Currier BL, Elder BD, Nassr AN, Bydon M, Wagner SC, Sebastian AS. Multifidus Sarcopenia Is Associated With Worse Patient-reported Outcomes Following Posterior Cervical Decompression and Fusion. Spine (Phila Pa 1976). 2022 Oct 15; 47 (20):1426-1434 Epub 2022 July 01
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  55. Pinter ZW, Mikula A, Shirley M, Xiong A, Wagner S, Elder BD, Freedman BA, Nassr A, Bydon M, Currier B, Kaye ID, Kepler C, Sebastian AS. Allograft Subsidence Decreases Postoperative Segmental Lordosis With Minimal Effect on Global Alignment Following ACDF. Global Spine J. 2022 Oct; 12(8):1723-1730. Epub 2021 Jan 21.
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  56. Benson JC, Lehman VT, Sebastian AS, Larson NA, Nassr A, Diehn FE, Wald JT, Murthy NS. Successful fusion versus pseudarthrosis after spinal instrumentation: a comprehensive imaging review. Neuroradiology. 2022 Sep; 64 (9):1719-1728 Epub 2022 June 14
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  57. Streufert BD, Onyedimma C, Yolcu YU, Ghaith AK, Elder BD, Nassr A, Currier B, Sebastian AS, Bydon M. Rheumatoid Arthritis in Spine Surgery: A Systematic Review and Meta-Analysis. Global Spine J. 2022 Sep; 12 (7):1583-1595 Epub 2022 Mar 18
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  58. Pinter ZW, Bou Monsef J, Monsef JB, Salmons HI, Sebastian AS, Freedman BA, Currier BL, Elder BD, Nassr AN. Does Preoperative Bone Mineral Density Impact Fusion Success in Anterior Cervical Spine Surgery? A Prospective Cohort Study. World Neurosurg. 2022 Aug; 164:e830-e834 Epub 2022 May 20
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  59. Pinter ZW, Karamian B, Bou Monsef J, Mao J, Xiong A, Bowles DR, Conaway WK, Reiter DM, Honig R, Currier B, Nassr A, Freedman BA, Bydon M, Elder BD, Kaye ID, Kepler C, Schroeder G, Vaccaro A, Wagner S, Sebastian AS. Cervical Alignment and Proximal and Distal Junctional Failure in Posterior Cervical Fusion: A Multicenter Comparison of 2 Surgical Approaches. Clin Spine Surg. 2022 Jun 1; 35 (5):E451-E456 Epub 2021 Dec 15
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  60. St Jeor JD, Jackson TJ, Xiong AE, Freedman BA, Sebastian AS, Currier BL, Fogelson JL, Bydon M, Nassr A, Elder BD. Average Lumbar Hounsfield Units Predicts Osteoporosis-Related Complications Following Lumbar Spine Fusion. Global Spine J. 2022 Jun; 12 (5):851-857 Epub 2020 Nov 23
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  61. Pinter ZW, Salmons HI 4th, Townsley SE, Xiong A, Michalopoulos GD, El Sammak S, Currier B, Nassr A, Freedman BA, Bydon M, Elder BD, Wagner S, Sebastian AS. Improved Sagittal Alignment Is Associated with Early Postoperative Neck Disability and Pain-Related Patient-Reported Outcomes Following Posterior Cervical Decompression and Fusion for Myelopathy. World Neurosurg. 2022 May; 161:e654-e663 Epub 2022 Feb 23
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  62. Kolz JM, Pinter ZW, Sebastian AS, Freedman BA, Elder BD, Nassr AN. Postoperative and Intraoperative Cement Augmentation for Spinal Fusion. World Neurosurg. 2022 Apr; 160:e454-e463 Epub 2022 Jan 18
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  63. Colantonio DF, Nassr A, Freedman BA, Elder BD, Bydon M, Helgeson MD, Kepler CK, Sebastian AS, Wagner SC. The Effect of Preoperative Mental Health Status on Outcomes After Anterior Cervical Discectomy and Fusion. Int J Spine Surg. 2022 Apr; 16(2):233-239.
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  64. Piche J, Butt BB, Ahmady A, Park P, Patel R, Nassr A, Aleem I. Lateral Lumbar Corpectomy: Indications and Surgical Technique with Review of the Literature Seminars in Spine Surgery. 2022.
  65. Jackson TJ, Freedman BA, Morris JM, Currier BL, Nassr A. Cervical myelopathy in a patient with Klippel-Feil syndrome treated with a patient-specific custom cervical spine locking plate. Spinal Cord Ser Cases. 2022 Jan 14; 8 (1):6
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  66. Butt BB, Kagan D, Gagnier J, Wasserman R, Nassr A, Patel R, Aleem I. Do Patients Accurately Recall Their Pain Levels Following Epidural Steroid Injection? A Cohort Study of Recall Bias in Patient-Reported Outcomes. Pain Physician. 2022 Jan; 25 (1):59-66
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  67. Mikula AL, Fogelson JL, Lakomkin N, Flanigan PM, Pinter ZW, Doan MK, Bydon M, Nassr A, Freedman B, Sebastian AS, Abode-Iyamah K, Anderson PA, Elder BD. Lower Hounsfield Units at the Upper Instrumented Vertebrae are Significantly Associated With Proximal Junctional Kyphosis and Failure Near the Thoracolumbar Junction. Oper Neurosurg (Hagerstown). 2021 Sep 15; 21 (4):270-275
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  68. Mikula AL, St Jeor JD, Naylor RM, Bernatz JT, Patel NP, Fogelson JL, Larson AN, Nassr A, Sebastian AS, Freedman B, Currier BL, Bydon M, Kennel KA, Yaszemski MJ, Anderson PA, Elder BD. Teriparatide Treatment Increases Hounsfield Units in the Thoracic Spine, Lumbar Spine, Sacrum, and Ilium Out of Proportion to the Cervical Spine. Clin Spine Surg. 2021 Aug 1; 34 (7):E370-E376
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  69. Kerezoudis P, Alvi MA, Freedman BA, Nassr A, Bydon M. Utilization Trends of Recombinant Human Bone Morphogenetic Protein in the United States. Spine (Phila Pa 1976). 2021 Jul 1; 46 (13):874-881
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  70. Wagner SC, Nassr A, Freedman BA, Elder BD, Bydon M, Sebastian AS. The Single Assessment Numeric Evaluation (SANE) after anterior cervical discectomy and fusion: A pilot study. J Clin Neurosci. 2021 Jun; 88:95-101 Epub 2021 Apr 02
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  71. Kolz JM, Hobson SL, Currier BL, Nassr AN. C1 and C2 Fractures Above a Previous Fusion Treated with Internal Fixation without Fusion: A Case Report. JBJS Case Connect. 2021 Apr 14; 11 (2)
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  72. Kolz JM, Freedman BA, Nassr AN. The Value of Cement Augmentation in Patients With Diminished Bone Quality Undergoing Thoracolumbar Fusion Surgery: A Review. Global Spine J. 2021 Apr; 11 (1_suppl):37S-44S
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  73. Pinter ZW, Wagner S, Fredericks D Jr, Xiong A, Helgeson M, Currier B, Freedman BA, Kepler C, Elder BD, Bydon M, Nassr A, Sebastian AS. Cervical Paraspinal Muscle Fatty Degeneration Is Not Associated with Muscle Cross-sectional Area: Qualitative Assessment Is Preferable for Cervical Sarcopenia. Clin Orthop Relat Res. 2021 Apr 01; 479(4):726-732.
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  153. Sebastian A, Huddleston P 3rd, Kakar S, Habermann E, Wagie A, Nassr A.. Risk factors for surgical site infection after posterior cervical spine surgery: an analysis of 5,441 patients from the ACS NSQIP 2005-2012. Spine J..4/1/2016;16:(4):504-509.
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  154. Aleem IS, Nassr A. Cochrane in CORR((R)): Surgical Versus Non-surgical Treatment for Thoracolumbar Burst Fractures Without Neurological Deficit. Clin Orthop Relat Res 2016 Mar; 474 (3):619-24 Epub 2015 Apr 23
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  155. Kepler CK, Vaccaro AR, Chen E, Patel AA, Ahn H, Patel AA, Nassr A, Shaffrey CI, Harrop J, Schroeder GD, Agarwala A, Dvorak MF, Fourney DR, Wood KB, Traynelis VC, Yoon ST, Fehlings MG, Aarabi B. Treatment of isolated cervical facet fractures: a systematic review. J Neurosurg Spine. 2016 Feb; 24 (2):347-354 Epub 2015 Oct 30
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  156. Giambini H, Dragomir-Daescu D, Huddleston PM, Camp JJ, An KN, Nassr A. The Effect of Quantitative Computed Tomography Acquisition Protocols on Bone Mineral Density Estimation. J Biomech Eng. 2015 Nov; 137 (11):114502
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  157. Ponnappan RK, Khan M, Matzon JL, Sheikh ES, Tucker BS, Pepe MD, Tjoumakaris FP, Nassr AN. Clinical differentiation of upper extremity pain etiologies. J Am Acad Orthop Surg. 2015 Aug; 23(8):492-500.
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  158. Sebastian AS, Fogelson JL, Dekutoski MB, Nassr AN. Multiple noncontiguous spinal fractures and occipitocervical dislocation in a patient with ankylosing spondylitis treated with a hybrid open and percutaneous spinal fixation technique: a case report. Spine J. 2015 May 1; 15 (5):e1-5 Epub 2015 Feb 07
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  159. Gazelka HM, Welch TL, Nassr A, Lamer TJ. Safety of lumbar spine radiofrequency procedures in the presence of posterior pedicle screws: technical report of a cadaver study. Pain Med. 2015 May; 16: (5)877-80.
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  160. Slover J, Heaton P, Nassr A. 2014 Austrian-Swiss-German Fellowship. J Bone Joint Surg Am. 2015 Apr 15; 97: (8)691-4.
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  161. Sebastian AS, Adair MJ, Morris JM, Khan MH, Arndt CA, Nassr A. Minimally invasive treatment of a painful osteolytic lumbar lesion secondary to epithelioid hemangioendothelioma. Global Spine J. 2015 Apr; 5 (2):135-9 Epub 2014 Aug 05
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  162. Chen X, Giambini H, Ben-Abraham E, An KN, Nassr A, Zhao C. Effect of Bone Mineral Density on Rotator Cuff Tear: An Osteoporotic Rabbit Model. PLoS One. 2015; 10 (10):e0139384 Epub 2015 Oct 14
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  163. Hunt CL, Shen S, Nassr A, van Wijnen AJ, Larson AN, Eldrige JS, Mauck WD, Pingree MJ, Erwin PJ, Bydon M, Qu W. Current understanding of safety and efficacy of stem cell therapy for discogenic pain. A systematic review of human studies Techniques in Regional Anesthesia and Pain Management. 2015; 19(1-2):32-7. Epub 1900 Jan 01.
  164. Sharan AD, Krystal JD, Singla A, Nassr A, Kang JD, Riew KD. Advances in the understanding of cervical spine deformity. Instr Course Lect. 2015; 64:417-26
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  165. Gupta A, Kowalski TJ, Osmon DR, Enzler M, Steckelberg JM, Huddleston PM, Nassr A, Mandrekar JM, Berbari EF. Long-term outcome of pyogenic vertebral osteomyelitis: a cohort study of 260 patients. Open Forum Infect Dis. 2014 Dec; 1 (3):ofu107 Epub 2014 Dec 05
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  166. Hsu WK, Hashimoto RE, Berven SH, Nassr A. Biological substitutes/extenders for spinal arthrodesis: which agents are cost-effective? Spine (Phila Pa 1976). 2014 Oct 15; 39 (22 Suppl 1):S86-98
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  167. Nassr AN, Swann PP, Huston J 3rd, Abdelfatah MM, Rose PS, Currier BL. Aberrant posterior inferior cerebellar artery injury with C1 lateral mass screw placement: a case report and review of the literature. Spine J. 2014 Sep 1; 14 (9):e7-14 Epub 2014 Feb 15
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  168. Brown DA, Mallory GW, Higgins DM, Abdulaziz M, Huddleston PM, Nassr A, Fogelson JL, Clarke MJ. A cost-effective method for femoral head allograft procurement for spinal arthrodesis: an alternative to commercially available allograft. Spine (Phila Pa 1976). 2014 Jul 1; 39: (15)E902-6.
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  169. Baghdadi YM, Larson AN, Dekutoski MB, Cui Q, Sebastian AS, Armitage BM, Nassr A. Sagittal balance and spinopelvic parameters after lateral lumbar interbody fusion for degenerative scoliosis: a case-control study. Spine (Phila Pa 1976). 2014 Feb 1; 39 (3):E166-73
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  170. Hussain M, Nassr A, Natarajan RN, An HS, Andersson GB. Relationship between biomechanical changes at adjacent segments and number of fused bone grafts in multilevel cervical fusions: a finite element investigation. J Neurosurg Spine. 2014 Jan; 20 (1):22-9 Epub 2013 Nov 01
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  171. Khalil JG, Nassr A, Diehn FE, Campeau NG, Atkinson JL, Sia IG, Hanna A. Thoracolumbosacral spinal subdural abscess: magnetic resonance imaging appearance and limited surgical management. Spine (Phila Pa 1976). 2013 Jun 1; 38 (13):E844-7
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  172. Hussain M, Nassr A, Natarajan RN, An HS, Andersson GB. Biomechanics of adjacent segments after a multilevel cervical corpectomy using anterior, posterior, and combined anterior-posterior instrumentation techniques: a finite element model study. Spine J. 2013 Jun; 13(6):689-96. Epub 2013 Apr 09.
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  173. Giambini H, Wang HJ, Zhao C, Chen Q, Nassr A, An KN. Anterior and posterior variations in mechanical properties of human vertebrae measured by nanoindentation. J Biomech. 2013 Feb 1; 46 (3):456-61 Epub 2012 Nov 23
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  174. Giambini H, Khosla S, Nassr A, Zhao C, An KN. Longitudinal changes in lumbar bone mineral density distribution may increase the risk of wedge fractures. Clin Biomech (Bristol, Avon). 2013 Jan; 28 (1):10-4 Epub 2012 Nov 08
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  175. Khalil JG, Nassr A, Maus TP. Physiologic imaging of the spine. Radiol Clin North Am. 2012 Jul; 50(4):599-611.
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  176. Sahota S, Nassr A, Khan MH, Marsh RW, Moran SL, Arnold PM, Dekutoski MB. Treatment of a thoracic dural-pleural fistula with a vascularized omental flap: a case report. Spine (Phila Pa 1976). 2012 May 15; 37(11):E683-5.
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  177. Hussain M, Nassr A, Natarajan RN, An HS, Andersson GB. Corpectomy versus discectomy for the treatment of multilevel cervical spine pathology: a finite element model analysis. Spine J. 2012 May; 12(5):401-8. Epub 2012 May 08.
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  178. Nassr A, Eck JC, Ponnappan RK, Zanoun RR, Donaldson WF 3rd, Kang JD. The incidence of C5 palsy after multilevel cervical decompression procedures: a review of 750 consecutive cases. Spine (Phila Pa 1976). 2012 Feb 1; 37 (3):174-8
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  179. Hussain M, Nassr A, Natarajan RN, An HS, Andersson GB. Biomechanical effects of anterior, posterior, and combined anterior-posterior instrumentation techniques on the stability of a multilevel cervical corpectomy construct: a finite element model analysis. Spine J. 2011 Apr; 11(4):324-30.
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  180. Nassr A, Khan MH, Ali MH, Espiritu MT, Hanks SE, Lee JY, Donaldson WF, Kang JD. Donor-site complications of autogenous nonvascularized fibula strut graft harvest for anterior cervical corpectomy and fusion surgery: experience with 163 consecutive cases. Spine J. 2009 Nov; 9(11):893-8. Epub 2009 Jun 13.
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  181. Mikhael MM, Huddleston PM, Nassr A. Postoperative culture positive surgical site infections after the use of irradiated allograft, nonirradiated allograft, or autograft for spinal fusion. Spine (Phila Pa 1976). 2009 Oct 15; 34 (22):2466-8
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  182. Lee JY, Nassr A, Eck JC, Vaccaro AR. Controversies in the treatment of cervical spine dislocations. Spine J. 2009 May; 9(5):418-23. Epub 2009 Feb 23.
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  183. Grauer JN, Vaccaro AR, Lee JY, Nassr A, Dvorak MF, Harrop JS, Dailey AT, Shaffrey CI, Arnold PM, Brodke DS, Rampersaud R. The timing and influence of MRI on the management of patients with cervical facet dislocations remains highly variable: a survey of members of the Spine Trauma Study Group. J Spinal Disord Tech. 2009 Apr; 22(2):96-9.
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  184. Nassr A, Lee JY, Bashir RS, Rihn JA, Eck JC, Kang JD, Lim MR. Does incorrect level needle localization during anterior cervical discectomy and fusion lead to accelerated disc degeneration? Spine (Phila Pa 1976). 2009 Jan 15; 34(2):189-92.
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  185. Arnold PM, Brodke DS, Rampersaud YR, Harrop JS, Dailey AT, Shaffrey CI, Grauer JN, Dvorak MF, Bono CM, Wilsey JT, Lee JY, Nassr A, Vaccaro AR, Spine Trauma Study Group. Differences between neurosurgeons and orthopedic surgeons in classifying cervical dislocation injuries and making assessment and treatment decisions: a multicenter reliability study. Am J Orthop. 2009; 38(10):E156-E161.
  186. Kalisvaart MM, Nassr A, Eck JC. C5 palsy after cervical decompression procedures. Neurosurgery Quarterly. 2009; 19(4):276-82.
  187. Dailey AT, Shaffrey CI, Rampersaud R, Lee J, Brodke DS, Arnold P, Nassr A, Harrop JS, Grauer J, Bono CM, Dvorak M, Vaccaro A. Utility of helical computed tomography in differentiating unilateral and bilateral facet dislocations. J Spinal Cord Med. 2009; 32(1):43-8.
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  188. Nassr A, Larson AN, Crane B, Hammerberg KW, Sturm PF, Mardjetko SM. Iatrogenic thoracic outlet syndrome secondary to vertical expandable prosthetic titanium rib expansion thoracoplasty: pathogenesis and strategies for prevention/treatment. J Pediatr Orthop. 2009 Jan-Feb; 29(1):31-4.
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  189. Nassr A, Lee JY, Dvorak MF, Harrop JS, Dailey AT, Shaffrey CI, Arnold PM, Brodke DS, Rampersaud R, Grauer JN, Winegar C, Vaccaro AR. Variations in surgical treatment of cervical facet dislocations. Spine (Phila Pa 1976). 2008 Apr 01; 33: (7)E188-93.
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  190. Donaldson WF 3rd, Hanks SE, Nassr A, Vogt MT, Lee JY. Cervical spine injuries associated with the incorrect use of airbags in motor vehicle collisions. Spine (Phila Pa 1976). 2008 Mar 15; 33: (6)631-4.
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  191. Goldberg SH, Omid R, Nassr AN, Beck R, Cohen MS. Osseous anatomy of the distal humerus and proximal ulna: implications for total elbow arthroplasty. J Shoulder Elbow Surg. 2007 May-Jun; 16(3 Suppl):S39-46. Epub 2006 Sep 20.
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  192. Lee JY, Nassr A, Ponnappan RK. Epidural hematoma causing paraplegia after a fluoroscopically guided cervical nerve-root injection. A case report. J Bone Joint Surg. 2007; 89(9):2037-9.
  193. Singh K, Samartzis D, Vaccaro AR, Nassr A, Andersson GB, Yoon ST, Phillips FM, Goldberg EJ, An HS. Congenital lumbar spinal stenosis: a prospective, control-matched, cohort radiographic analysis. Spine J. 2005 Nov-Dec; 5(6):615-22.
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  194. Singh K, An HS, Samartzis D, Nassr A, Provus J, Hickey M, Andersson GB. A prospective cohort analysis of adjacent vertebral body bone mineral density in lumbar surgery patients with or without instrumented posterolateral fusion: a 9- to 12-year follow-up. Spine. 2005 Aug 1; 30(15):1750-5.
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