AhmadNassrMD

PubMed

• Impact of contrast administration and CT reconstruction plane on Hounsfield units for assessing underlying bone quality in the lumbar spine.
  Abdelrahman M Hamouda, Zach Pennington, Maria Astudillo Potes, Mahnoor Shafi, Anthony L Mikula
  Journal of Neurosurgery. Spine. 2024-12-13
• What Is the Accuracy of 16S PCR Followed by Sanger Sequencing or Next-generation Sequencing in Native Vertebral Osteomyelitis? A Systematic Review and Meta-analysis.
  Omar K Mahmoud, Francesco Petri, Said El Zein, Madiha Fida, Felix E Diehn
  Clinical Orthopaedics and Related Research. 2024-12-05
• The Effect of C2 Muscular Exposure Technique on Radiographic and Clinical Outcomes After C2-T2 Posterior Cervical Fusion.
  Hannah A Levy, Zachariah W Pinter, Andrew Pumford, Harold I Salmons, Sarah Townsley
  Clinical Spine Surgery. 2024-12-01

Journal Articles

• The American Orthopaedic Association’s Own the Bone® Database: A National Quality Improvement Project for the Treatment of Bone Health in Fragility Fracture Patients  
  N R Wanderman, A N Nassr, C M Watkins, L L Tosi, P A Anderson, B A Freedman, M J Yaszemski, B L Currier, K J Jeray, K L Kirk, A D Bunta, Osteoporosis international
• Six Fellows, Five Countries, Two Weeks-Wow!  
  Mesfin A, Nassr A., 1/1/2017
• Does Sitting versus Standing Radiographic Assessment of Odontoid Fractures Matter? A Case Report  
  Aleem I, Gussous Y, King M, Fogelson J, Nassr A, Currier B., J Spine Surg., 1/1/2017
• Molecular Factors in Intervertebral Disc Degeneration  
  Sebastian A, Ahmed A, Vernon B, Nguyen E, Aleem I, Clarke M, Currier B, Anderson P, Bydon M, Nassr A., Journal of the American Academy of Regenerative Medicine, 1/1/2017
• Management of major vascular injury during pedicle screw instrumentation of thoracolumbar spine  
  Mirza AK, Alvi MA, Naylor RM, Kerezoudis P, Krauss WE, Clarke MJ, Shepherd DL, Nassr A, DeMartino RR, Bydon M., Clin Neurol Neurosurg., 1/1/2017
• Treatment of Axis Body Fractures: A Systematic Review  
  Kepler CK, Vaccaro AR, Fleischman AN, Traynelis VC, Patel A, Dekutoski MB, Harrop J, Wood KB, Schroeder GD, Bransford R, Aarabi B, Okonkwo DO, Arnold PM, Fehlings MG, ..., Clin Spin Surg, 1/1/2017
• Navigation in Complex Spinal Surgery: Tips and Tricks  
  Freedman B, Currier B, Nassr A, Operative Techniques in Orthopaedics, 1/1/2017
• Perspective: Better Results Seen with Resection, Open-door Laminoplasty vs Laminoplasty Alone Perspective  
  Nassr A., Orthopedics Today, 1/1/2017
• Risk Factors for Venous Thromboembolism following Thoracolumbar Surgery: Analysis of 43,777 Patients from the ACS-NSQIP 2005-2012  
  Sebastian A, Currier B, Kakar S, Nguyen E, Wagie A, Habermann E, Nassr A, Global Spine J., 1/1/2016
• Uncommon Manifestations of Disc Pathology  
  Diehn F, Maus T, Morris J, Carr C, Kotsenas A, Luetmer P, Lehman V, Thielen K, Nassr A, Wald J., Radiographics, 1/1/2016
• Perioperative Complications in Open versus Percutaneous Treatment of Spinal Fractures in Patients with an Ankylosed Spine  
  Moussallem CD, McCutcheon BA, Clarke MJ, Cui Q, Currier BL, Yaszemski MJ, Huddleston PM, Rose PS, Freedman B, Dekutoski MB, Bydon M, Nassr A., J Clin Neurosci., 1/1/2016
• Risk factors for Surgical Site Infection after Posterior Cervical Spine Surgery: an Analysis of 5,441 Patients from ACS-NSQIP 2005-2012  
  Sebastian A, Huddleston P 3rd, Kakar S, Habbermann E, Wagie A, Nassr A, Spine J, 1/1/2016
• One Layer at a Time: Rapid Prototyping in Orthopedics: What’s the state of the art in orthopaedic 3D printing?  
  Haider H, Ponnusamy KE, Giori NJ, Anderson PA, Nassr A, AAOS Now, 1/1/2015
• Novel Intraoperative CT Navigation Protocols Implemented to Improve Complex Spine Surgery Outcomes  
  Larson AN, Nassr A, Mayo Clinic, Orthopedic Update, 1/1/2015
• The Effect of Quantitative Computed Tomography Acquisition Protocols on Bone Mineral Density Estimation  
  Giambini H, Dragomir-Daescu D, Huddleston P, Camp J, An K, Nassr A., Journal of Biomechanical Engineering, 1/1/2015
• Current Understanding of Safety and Efficacy of Stem Cell Therapy for Discongenic Pain-A Systematic Review of Human Studies  
  Hunt C, Shen S, Nassr A, van Wijnen A, Larson AN, Eldrige J, Mauck W, Pingree M, Erwin P, Bydon M, Qu W., Techniques in Regional Anesthesia and Pain Management, 1/1/2015
• Customizing Patient Care with Rapid Prototyping: Instruments, implants and more from 3D Printing  
  Ponnusamy KE, Haider H, Anderson PA, Nassr A, Giori NJ, AAOS Now, 1/1/2015
• Longitudinal changes in lumbar bone mineral density distribution may increase the risk of wedge fractures  
  Giambini H, Khosla S, Nassr A, Zhao C, An KN, Clin Biomech., 1/1/2013
• Complications of Cervical Arthroplasty  
  Kalisvaart MM, Nassr A., Contemporary Spine Surgery, 1/1/2010
• Cervical Arthroplasty  
  Kalisvaart MM, Nassr A, Contemporary Spine Surgery, 1/1/2010
• C5 Palsy After Cervical Decompression Procedures  
  Kalisvaart MM, Nassr A, Eck JC, Neurosurgery Quarterly, 1/1/2009
• Iatrogenic Thoracic Outlet Syndrome Secondary to VEPTR Expansion Thoracoplasty: Pathogenesis and Strategies for Prevention/Treatment  
  Nassr A, Larson AN, Crane B, Hammerberg KW, Sturm PF, Mardjetko SM., J. Pediatr Orhop., 1/1/2009
• Controversies in the Treatment of Cervical Spine Dislocations  
  Lee JY, Nassr A, Eck JC, Vaccaro AR, Spine Journal, 1/1/2009
• Utility of Helical Computed Tomography in Differentiating Unilateral and Bilateral Facet Dislocations  
  Dailey AT, Shaffrey CI, Rampersaud R, Lee JY, Brodke, DS, Arnold PM, Nassr A, Harrop JS, Grauer JN, Bono CM, Vaccaro AR, Journal of Spinal Cord Medicine., 1/1/2009
• Congenital Lumbar Spinal Stenosis: A Prospective, Control-matched, Cohort Radiographic Analyses  
  Singh K, Samartzis D, Vaccaro AR, Nassr A, Andersson GB, Yoon ST, Phillips FM, Goldberg E, An HS, Spine J, 1/1/2005
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Books/Book Chapters

• Orthopaedic Knowledge Update: Spine 5 Lumbar Disc Herniations 
  Aleem A , Patel R, Nassr ATruumees and PratherEdition 5th,2017
• Clinical Decisions Support: Spine Surgery 
  Chapter: Tuberculosis of the Spine 
  Nassr ADecision Support in Medicine, LLC2016
• The Cervical Spine 
  Chapter: Primary Bony Tumors of the Cervical Spine 
  Page 219.0 - 227.0Eck JC, Nassr A, Currier BLEditors: Shen FH, Samartzis, D, Fessler RG.Elsevier2015
• Surgical Atlas of Spinal Operations 
  Chapter: Smith Peterson and Pedicle Subtraction Osteotomies 
  Page 296.0 - 304.0Nassr A, Cui Q, Yaszemski MJEditors: Vaccaro A, Eck JC.Jaypee Brothers Medical Publishers, New Delhi2013
• Essentials of Spinal Cord Injury 
  Chapter: Management of Cervical Facet Dislocations 
  Editors: Fehlings M, et al.Thieme2013
• The Cervical Spine 
  Chapter: Cervical Spine Imaging in Trauma 
  Page 1512. - 1519.Syed IY, Ali MH, Nassr A, Lee JYLippincott Williams and WilkinsEdition 5th,2012
• The Textbook of Spinal Surgery. 
  Chapter: Anterior Decompression, Instrumentation, Fusion Techniques: corpectomy, strut grafting 
  Page 236.0 - 252.0Editors: Nassr A, Ponnappan RK, Kang JD. In Bridwell KH.Wolters Kluwer Health/Lippincott Williams and Wilkins, PhiladelphiaEdition 3rd,2011
• The Textbook of Spinal Surgery 
  Chapter: Anterior Decompression, Instrumentation, Fusion Techniques: Discectomy, Foraminotomy, Disc space carpentry. 
  Ponnappan RK, Nassr A, Kang JD.Editors: Keith H. Bridwell.Wolters Kluwer Health/Lippincott Williams and Wilkins, PhiladelphiaEdition 3rd,2011
• Spine Trauma: Surgical Techniques 
  Chapter: Traumatic Dural Tears. 
  Hanna AS, Nassr A, Harrop JSEditors: Patel V, Burger E, Brown C.Springer, Berlin Heidelberg2010
• Controversies in Spine Surgery: Best Evidence Recommendations 
  Chapter: Management of Cervical Facet Dislocations: Anterior Versus Posterior Approach 
  Editors: Yu E, Nassr A. In Vaccaro AR, Eck JC.Thieme2010
• Curbside Consultation of the Spine: 49 Clinical Questions 
  Editors: Nassr A, Lee JY. Singh, K.SLACK Inc.2008
• Spinal Deformities: The Essentials 
  Chapter: Prevention and Treatment of Post-Traumatic Deformity of the Thoracolumbar Spine. 
  Nassr A, Singh K, Wimberly D, Vaccaro AREditors: Albert TJ, Heary R.Thieme2005
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Abstracts/Posters

• The Effect of an Adjustable Hinged Operating Table on Lumbar Lordosis during Lumbar Surgery.
  Sebastian A, Mohamed A, Ahmed A, Aleem I, Currier B, Clarke M, Anderson P, Nassr A, AMERICAN ACADEMY OF ORTHOPEDIC SURGEONS, San Diego, CA, 1/1/2017
• Do Lumbar Decompression and Fusion Patients Recall Their Preoperative Status? Recall Bias in Patient-Reported Outcomes
  Aleem S, Amin A, Zarrabian M, Eck J, Rhee J, Clarke M, Currier B, Nassr A, CANADIAN SPINE SOCIETY, AO SPINE NA FELLOWS FORUM, British Columbia, Canada, 2016; Banff, Canada, 2016, 1/1/2016
• Thromboembolic Disease After Cervical Spine Surgery: A Review of 5405 Surgical Procedures and Matched Cohort Analysis
  Sebastian A, Currier BL, Rose PS, Clarke MJ, Huddleston PM, Yaszemski MJ, Nassr A., CERVICAL SPINE RESEARCH SOCIETY EUROPEAN SECTION, London, UK, 1/1/2015
• The Incidence of an Epidural Hematoma following Cervical Spine Surgery.
  Schroeder G, MD, Hilibrand A, Arnold P, Fish D, Wang J, Smith Z, Hsu W, Ziya L. Gokaslan Z, Isaacs R, MD, Adam Kanter A, MD, Thomas E. Mroz T, Nassr A, Sasso R, Fehlin..., CERVICAL SPINE RESEARCH SOCIETY ANNUAL MEETING, San Diego, CA, 1/1/2015
• A Multi-Center Study of the Presentation, Treatment, and Outcomes of Cervical Dural Tears .
  O'Neil K, Fehlings M, Mroz T, Smith Z, Hsu W, Kanter A, Steinmetz M, Arnold P, Mummaneni P, Chou D, Nassr A, Qureshi S, Cho S, Baird E, Smith J, Tannoury C, Tannoury ..., CERVICAL SPINE RESEARCH SOCIETY ANNUAL MEETING, San Diego, CA, 1/1/2015
• Prospective Evaluation of Radiculitis Following BMP-2 Use for Interbody Arthrodesis in Spine Surgery
  Sebastian AS, Huddleston PM, Pichelmann M, Currier BL, Fogelson J, Arutyunyan G, Treder V, Nassr A., AMERICAN ACADEMY OF ORTHOPEDIC SURGERY ANNUAL MEETING, Las Vegas, NV, 1/1/2015
• Thromboembolism following Thoracolumbar Surgery: Analysis from the ACS-NSQIP 2005-2012
  Sebastian AS, Kakar S, Wagie A, Habermann E, Nguyen EC, Nassr A, AMERICAN ACADEMY OF ORTHOPEDIC SURGERY ANNUAL MEETING, Las Vegas, NV, 1/1/2015
• Risk Factors for Venous Thromboembolism following Thoracolumbar Surgery: Analysis of 43,777 patients from ACS-NSQIP 2005-2012.
  Sebastian AS, Kakar S, Wagie A, Habermann E, Currier BL, Nassr A., LUMBAR SPINE RESEARCH SOCIETY ANNUAL MEETING, Chicago, IL, 1/1/2015
• BMP-2 Dose Response Curves for Interbody Fusions: Low Doses of BMP-2 achieve High Fusion Rates.
  Sebastian AS, Khalil J, Dekutoski M, Nassr A, LUMBAR SPINE RESEARCH SOCIETY ANNUAL MEETING, Chicago, IL, 1/1/2015
• Prospective Evaluation of Radiculitis Following BMP-2 use for Interbody Arthrodesis in Spine Surgery
  Sebastian AS, Huddleston P, Pichelmann M, Currier B, Treder V, Nassr A, LUMBAR SPINE RESEARCH SOCIETY ANNUAL MEETING, MID-AMERICA ORTHOPEDIC ASSOCIATION, Chicago, IL, 2015; Hilton Head Island, SC, 2015, 1/1/2015
• Thromboembolic Disease After Cervical Spine Surgery: A Review of 5,405 Procedures and Matched Cohort Analysis.
  Sebastian AS, Currier BL, Rose PS, Larson D, Huddleston P, Yaszemski M, Nassr A, MID-AMERICA ORTHOPEDIC ASSOCIATION, Hilton Head Island, SC, 1/1/2015
• Prospective Evaluation of Radiculitis Following BMP-2 Use for Interbody Arthrodesis in Spine Surgery
  Sebastian AS, Huddleston PM, Pichelmann M, Currier BL, Fogelson J, Arutyunyan G, Treder V, Nassr A, INTERNATIONAL MEETING ON ADVANCED SPINE TECHNIQUES, Kuala Lumpur, Malaysia, 1/1/2015
• Risk Factors for Venous Thromboembolism following Thoracolumbar Surgery: Analysis of 43,777 Patients from the ACS-NSQIP 2005-2012
  Sebastian A, Currier BL, Kakr S, Nguyen E, Wagie A, Habermann, E, Nassr, A., INTERNATIONAL MEETING ON ADVANCED SPINE TECHNIQUES, Kuala Lumpur, Malaysia, 1/1/2015
• Risk Factors for 30-Day Readmission following Spine Fusion Surgery in Adults: A Review of the National Surgical Quality Improvement Program (NSQIP) Database
  Su AW, Habermann EB, Thomsen KM, Nassr A, Milbrandt T, Larson AN., NORTH AMERICAN SPINE SOCIETY, Chicago, IL, 1/1/2015
• Development and Validation of the Three Dimensional Subject Specific Model of Lumbar Vertebral Fracture Propagation.
  Giambini H, Quin X, Thoreson A, Dragomir-Daescu D, Nassr A, An K-N, INTERNATIONAL SOCIETY FOR THE STUDY OF THE LUMBAR SPINE, Seoul, Korea, 1/1/2014
• CT Exposure and Energy Effects on Bone Mineral Density Estimation from Calibration Phantoms.
  Giambini H, Nassr A, Huddleston PM, Dragomir-Daescu D, An K-N, INTERNATIONAL SOCIETY FOR THE STUDY OF THE LUMBAR SPINE, Seoul, Korea, 1/1/2014
• Development and Validation of a Nonlinear, Three-Dimensional Lumbar Spine Finite Element Model
  Ellingson A, Giambini H, Nassr A, Zhao C, An K, 7TH WORLD CONGRESS OF BIOMECHANICS, Boston, MA, 1/1/2014
• The Effect of Computed Tomography (CT) Acquisition Protocols on Hounsfield Unit Values and Bone Mineral Density Estimations from Calibration Phantoms.
  Giambini H, Nassr A, Huddleston PM, Dragomir-Daescu D, An K, INTERNATIONAL SOCIETY FOR THE STUDY OF THE LUMBAR SPINE, Seoul, Korea, 1/1/2014
• Venous Thromboembolism following Cervical Spine Surgery: Analysis from the ACS-NSQIP 2005-2012
  Sebastian AS, Kakar S, Habermann E, Wagie A, Currier B, Clarke M, Nassr A., CERVICAL SPINE RESEARCH SOCIETY ANNUAL MEETING, Orlando, FL, 1/1/2014
• Cauda Equina Syndrome Secondary to Epidural Lipomatosis in the Setting of Subacute Trauma: A Case Report
  Chung A, Nguyen E, Currier BL, Nassr A., ARIZONA ORTHOPEDIC SOCIETY ANNUAL MEETING, Phoenix, AZ, 1/1/2014
• Risk Factors for Surgical Site Infection after Posterior Cervical Spine Surgery: Analysis of the ACS-NSQIP 2005-2012.
  Sebastian AS, Kakar S, Habermann E, Wagie A, Huddleston P, Yaszemski M, Nassr A, CERVICAL SPINE RESEARCH SOCIETY ANNUAL MEETING, Orlando, FL, 1/1/2014
• Longitudinal Changes in Lumbar Bone Mineral Density Distribution May Increase the Risk of Wedge Fractures.
  Giambini H, Khosla S, Nassr A, Zhao C, An KN, ORTHOPEDIC RESEARCH SOCIETY, San Antonio, TX, 1/1/2013
• Surface Strain Analysis Using Digital Image Correlation and a Novel Technique for Inducing Vertebral Wedge Fractures.
  Giambini H, Wang HJ, Nassr A, An KN, Dragomir-Daescu D., ORTHOPEDIC RESEARCH SOCIETY, San Antonio, TX, 1/1/2013
• Anterior and Posterior Variations in Mechanical Properties of Human Vertebrae Measured by Nanoindentation.
  Giambini H, Wang HJ, Zhao C, Chen Q, Nassr A, An KN, ORTHOPEDIC RESEARCH SOCIETY, San Antonio, TX, 1/1/2013
• Lumbar Spinous Process Splitting Laminoplasty: A Novel Technique for Minimally Invasive Lumbar Decompression.
  Nassr A, Moussallem C, Currier BL, Yaszemski MJ, Rose PS, Huddleston PH, Dekutoski MB., SPINE STUDY GROUP, West Palm Beach, FL, 1/1/2012
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Lectures

• Session: Surgical Options for Sagittal Plane Deformity, Hands-on Surgical Skills Lab "Vertebral Column Resection" 
  Rosemont, Illinois - 1/1/2014
• Session: Surgical Options for Sagittal Plane Deformity, Hands-on Surgical Skills Lab “L3 PSO” 
  Rosemont, Illinois - 1/1/2014
• Session: Surgical Options for Sagittal Plane Deformity, “Osteotomy Options”. 
  Rosemont, Illinois - 1/1/2014
• Upper Cervical Spine Instrumentation Techniques 
  Beirut, Lebanon - 1/1/2013
• External Fixation Principals and Workshop 
  Gaziantep, Turkey - 1/1/2012
• Evidence, Imaging and Radiation Exposure in MIS Spine Surgery 
  Rochester MN, 2012 - 1/1/2012
• Novel Use of Individualized Genomics to Screen and Predict Adjacent Level Degeneration after Cervical Spine Fusion 
  Scottsdale, AZ - 1/1/2011
• Surgery for Back Pain 
  Rochester, MN - 1/1/2007
• Faculty: Pedicle Subtraction Osteotomy, Vertebral Column Resection. 
  Chicago, IL - 1/18/2014
• Cervical Spondylotic Myelopathy: Anterior Approaches (Multilevel Discectomy, Vertebrectomy, Hybrid, Role of TDA). 
  Orlando, FL - 1/3./2014
• Cervical Kyphosis Case Presentations and Panel Discussions 
  Scottsdale, AZ - 1/21/2014
• Debate: Degenerative Spondylolisthesis: Postero-lateral Fusion is Adequate 
  Scottsdale, AZ - 1/21/2014
• Managing Complications –Dural Tears, Infections and Instrumentation 
  Scottsdale, AZ - 1/21/2014
• Osteotomy Options in Spinal Deformity Surgery 
  1/16/2014
• Mission to Gaza, A Surgeon’s Journey 
  Rochester Public Library, Rochester MN - 1/9./2015
• Osteotomy Options 
  Chicago, IL - 1/18/2014
• Lumbar Spinous Process Splitting Laminoplasty and Tips and Tricks in the Management in Primary Spine Tumors 
  Orthopedic University Clinic, Salzburg General Hospital, Salzburg, Austria - 1/22/2014
• Effects of Human Recombinant Parathyroid Hormone Treatment on the Osteoporotic Spine: A Rabbit Model of Spinal Instrumentation and Fusion 
  University of Magdeburg, Department of Orthopedic Surgery, Magdeburg, German - 1/10/2014
• Minimally Invasive Applications in Spine Trauma 
  University Hospital Essen, Department of Orthopedic Surgery, Essen Germany - 1/9./2014
• Neurologic Complications of Cervical Spine Surgery 
  University Hospital Dusseldorf, Department of Orthopedic Surgery, Dusseldorf, Germany - 1/7./2014
• Effects of Human Recombinant Parathyroid Hormone (PTH) Treatment on the Osteoporotic Spine: A Rabbit Model of Spinal Instrumentation and Fusion 
  Banff, Alberta, Canada - 1/29/2014
• Update on the New C2 Fracture Classification 
  San Diego, CA - 1/1./2014
• Postoperative Neurological Deficits, Session II: Complications: Case-Based Presentations 
  Los Angeles, California - 1/4./2013
• Case Presentations and Panel Discussion: Cervical Kyphosis 
  Las Vegas, Nevada - 1/16/2013
• Osteoporosis and Orthopedic Surgery: Orthopedic Surgeon Perspective 
  South Beach, FL - 1/30/2017
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Other

• Cervical Spondylotic Myelopathy: Clinical Presentation and Natural History 
  Nassr A, Huddleston PM 3rd, Arab Health Magazine
  1/1/2008
• Spinal Tumors, Interactive Educational Program for Spine 
  Eck JC, Nassr A, Magnifi Group Inc.
  www.spinefellows.com
• Perspective: Better Results Seen with Wedge-shaped Resection, Open-door Laminoplasty vs. Laminoplasty Alone 
  Nassr A., Helio, Spine Newsletter
  http://www.healio.com/orthopedics/spine/news/online/%7Bff67e493-5d97-45a5-b2c9-ed997d8e4634%7D/better-results-seen-with-wedge-shaped-resection-open-door-laminoplasty-vs-laminoplasty-alone
• What is the Future of Patient-Specific Vertebral Fracture Prediction? 
  Giambini H, Currier B, Yaszemski M, Nassr A.
  https://www.sciencedirect.com/science/article/pii/S1040738317301259
  1/14/2017
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