Muhammad Abd-El-Barr | Scholars@Duke

Muhammad Abd-El-Barr
Assistant Professor of Neurosurgery

As a Neurosurgeon with fellowship training in Spine Surgery, I have dedicated my professional life to treating patients with spine disorders. These include spinal stenosis, spondylolisthesis, scoliosis, herniated discs and spine tumors. I incorporate minimally-invasive spine (MIS) techniques whenever appropriate to minimize pain and length of stay, yet not compromise on achieving the goals of surgery, which is ultimately to get you back to the quality of life you once enjoyed. I was drawn to medicine and neurosurgery for the unique ability to incorporate the latest in technology and neuroscience to making patients better. I will treat you and your loved ones with the same kind of care I would want my loved ones to be treated with. In addition to my clinical practice, I will be working with Duke Bioengineers and Neurobiologists on important basic and translational questions surrounding spinal cord injuries (SCI), which we hope to bring to clinical relevance.

Current Research Interests

- Spinal Cord Injury
- Brain-Machine Interfaces
- Neuro-regeneration

Current Appointments & Affiliations

Assistant Professor of Neurosurgery, Neurosurgery, Neurosurgery 2021

Contact Information

m.abdelbarr@duke.edu

Background
Education, Training, & Certifications
- Spine Surgery Fellowship, Neurosurgery, Brigham and Women's Hospital 2016 - 2017
- Neurosurgery, Brigham and Women's Hospital 2012 - 2016
- Internship and Residency, Neurosurgery, University of Florida 2009 - 2012
- MD./PhD., Baylor College of Medicine 2009
- M.S., University of Texas, Austin 2002
- B.A.Sc., University of Toronto (Canada) 2000
Duke Appointment History
- Assistant Professor of Neurosurgery, Neurosurgery, Neurosurgery 2017 - 2020
Recognition
In the News
- SEP 18, 2020 School of Medicine Magnify
  
  Awake for Spinal Surgery
Expertise
Subject Headings
Global Scholarship
- Teaching
  - United States of America (Country)
Research
Selected Grants
- A Double-Blind, Randomized, Controlled Trial of Epidural Conus Medullaris Stimulation in patients with Subacute Thoracic Spinal Cord Injury to improve Pain and augment Rehabilitation awarded by National Institutes of Health 2020 - 2025
- A Randomized, Double-Blind, Placebo-Controlled Proof of Concept Study to Assess the Safety and Efficacy of Elezanumab in Acute Traumatic Cervical Spinal Cord Injury awarded by AbbVie Inc. 2020 - 2023
- SCI Registry: North American Clinical Trials Network (NACTN) for Spinal Cord Injury awarded by Christopher & Dana Reeve Foundation 2021
- Lumbar Stenosis Prognostic Subgroups for Personalizing Care & Treatment awarded by University of Washington 2020 - 2021
- Human Fresh Tissue Lab Agreement awarded by Spineology Inc. 2020
- SCI Registry: North American Clinical Trials Network (NACTN) for Spinal Cord Injury awarded by Christopher & Dana Reeve Foundation 2020
- Human Fresh Tissue Lab Agreement awarded by Synaptive Medical 2020
- Human Fresh Tissue Lab Agreement awarded by DePuy Synthes Companies 2019
External Relationships
- Spineology
Publications & Artistic Works
Selected Publications
- Academic Articles
  - Park, Christine, Romaric Waguia Kouam, Norah A. Foster, Muhammad M. Abd-El-Barr, C Rory Goodwin, and Isaac O. Karikari. “"The eye sees only what the mind is prepared to comprehend": Unrecognized incidental findings on intraoperative computed tomography during spine instrumentation surgery.” Clin Imaging 72 (April 2021): 64–69. https://doi.org/10.1016/j.clinimag.2020.11.034.
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  - Wang, Timothy Y., Meghan Price, Vikram A. Mehta, Stephen M. Bergin, Eric W. Sankey, Norah Foster, Melissa Erickson, et al. “Preoperative optimization for patients undergoing elective spine surgery.” Clin Neurol Neurosurg 202 (March 2021): 106445. https://doi.org/10.1016/j.clineuro.2020.106445.
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  - Price, Meghan, Jessica C. Goodwin, Rafael De la Garza Ramos, César Baëta, Tara Dalton, Edwin McCray, Reza Yassari, et al. “Gender disparities in clinical presentation, treatment, and outcomes in metastatic spine disease.” Cancer Epidemiol 70 (February 2021): 101856. https://doi.org/10.1016/j.canep.2020.101856.
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  - Mehta, Vikram A., Florence Van Belleghem, Meghan Price, Matthew Jaykel, Luis Ramirez, Jessica Goodwin, Timothy Y. Wang, et al. “Hematocrit as a predictor of preoperative transfusion-associated complications in spine surgery: A NSQIP study.” Clin Neurol Neurosurg 200 (January 2021): 106322. https://doi.org/10.1016/j.clineuro.2020.106322.
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  - Wang, Timothy Y., Vikram A. Mehta, Tara Dalton, Eric W. Sankey, C. Rory Goodwin, Isaac O. Karikari, Christopher I. Shaffrey, Khoi D. Than, and Muhammad M. Abd-El-Barr. “Biomechanics, evaluation, and management of subaxial cervical spine injuries: A comprehensive review of the literature.” J Clin Neurosci 83 (January 2021): 131–39. https://doi.org/10.1016/j.jocn.2020.11.004.
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  - Gabr, Mostafa A., Elisabeth Touko, Amol P. Yadav, Isaac Karikari, C Rory Goodwin, Michael W. Groff, Luis Ramirez, and Muhammad M. Abd-El-Barr. “Improved Dysphagia Outcomes in Anchored Spacers Versus Plate-Screw Systems in Anterior Cervical Discectomy and Fusion: A Systematic Review.” Global Spine J 10, no. 8 (December 2020): 1057–65. https://doi.org/10.1177/2192568219895266.
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  - Park, Christine, Elizabeth P. Howell, Vikram A. Mehta, Luis Ramirez, Meghan J. Price, Scott R. Floyd, John P. Kirkpatrick, et al. “Patient outcomes and tumor control in single-fraction versus hypofractionated stereotactic body radiation therapy for spinal metastases.” J Neurosurg Spine, November 6, 2020, 1–10. https://doi.org/10.3171/2020.6.SPINE20349.
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  - Sankey, Eric W., Vikram A. Mehta, Timothy Y. Wang, Tracey T. Than, C Rory Goodwin, Isaac O. Karikari, Christopher I. Shaffrey, Muhammad M. Abd-El-Barr, and Khoi D. Than. “The medicolegal impact of misplaced pedicle and lateral mass screws on spine surgery in the United States.” Neurosurg Focus 49, no. 5 (November 2020): E20. https://doi.org/10.3171/2020.8.FOCUS20600.
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  - Krucoff, Max O., Robert Gramer, Dana Lott, Emily Kale, Amol P. Yadav, Muhammad M. Abd-El-Barr, Saurabh R. Sinha, and Shivanand P. Lad. “Spinal cord stimulation and rehabilitation in an individual with chronic complete L1 paraplegia due to a conus medullaris injury: motor and functional outcomes at 18 months.” Spinal Cord Ser Cases 6, no. 1 (October 16, 2020): 96. https://doi.org/10.1038/s41394-020-00345-7.
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  - Ponder, Madison, Abena A. Ansah-Yeboah, Lefko T. Charalambous, Syed M. Adil, Vishal Venkatraman, Muhammad Abd-El-Barr, Michael Haglund, et al. “A Smartphone App With a Digital Care Pathway for Patients Undergoing Spine Surgery: Development and Feasibility Study.” Jmir Perioper Med 3, no. 2 (October 16, 2020): e21138. https://doi.org/10.2196/21138.
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  - Wang, Timothy Y., Farah Hamouda, Vikram A. Mehta, Eric W. Sankey, Chester Yarbrough, Robert Lark, and Muhammad M. Abd-El-Barr. “Effect of Instrument Navigation on C-arm Radiation and Time during Spinal Procedures: A Clinical Evaluation.” Int J Spine Surg 14, no. 3 (June 2020): 375–81. https://doi.org/10.14444/7049.
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  - Sankey, Eric W., Christine Park, Elizabeth P. Howell, Zach Pennington, Muhammad Abd-El-Barr, Isaac O. Karikari, Christopher I. Shaffrey, Ziya L. Gokaslan, Daniel Sciubba, and C Rory Goodwin. “Importance of Spinal Alignment in Primary and Metastatic Spine Tumors.” World Neurosurg 132 (December 2019): 118–28. https://doi.org/10.1016/j.wneu.2019.08.161.
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  - Huang, Kevin T., Maya Harary, Muhammad M. Abd-El-Barr, and John H. Chi. “Crossing the Cervicothoracic Junction in Posterior Cervical Decompression and Fusion: A Cohort Analysis.” World Neurosurg 131 (November 2019): e514–20. https://doi.org/10.1016/j.wneu.2019.07.219.
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  - Elsamadicy, Aladine A., Lefko T. Charalambous, Amanda R. Sergesketter, Nicolas Drysdale, Syed M. Adil, Isaac G. Freedman, Theresa Williamson, et al. “Erratum to intraoperative ketamine may increase risk of post-operative delirium after complex spinal fusion for adult deformity correction.” J Spine Surg 5, no. 3 (September 2019): 392. https://doi.org/10.21037/jss.2019.09.18.
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  - Wang, Timothy Y., Farah Hamouda, Eric W. Sankey, Vikram A. Mehta, Chester K. Yarbrough, and Muhammad M. Abd-El-Barr. “Computer-Assisted Instrument Navigation Versus Conventional C-Arm Fluoroscopy for Surgical Instrumentation: Accuracy, Radiation Time, and Radiation Exposure.” Ajr Am J Roentgenol 213, no. 3 (September 2019): 651–58. https://doi.org/10.2214/AJR.18.20788.
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  - Haber, Matthew A., Muhammad Abd-El-Barr, William Gormley, Srinivasan Mukundan, Aaron D. Sodickson, and Christopher A. Potter. “Neurosurgical complications: what the radiologist needs to know.” Emerg Radiol 26, no. 3 (June 2019): 331–40. https://doi.org/10.1007/s10140-019-01672-5.
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  - Howell, Elizabeth P., Theresa Williamson, Isaac Karikari, Muhammad Abd-El-Barr, Melissa Erickson, Matthew L. Goodwin, Jeremy Reynolds, Daniel M. Sciubba, and C Rory Goodwin. “Total en bloc resection of primary and metastatic spine tumors.” Ann Transl Med 7, no. 10 (May 2019): 226. https://doi.org/10.21037/atm.2019.01.25.
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  - Elsamadicy, Aladine A., Lefko T. Charalambous, Amanda R. Sergesketter, Nicolas Drysdale, Syed M. Adil, Issac G. Freedman, Theresa Williamson, et al. “Intraoperative ketamine may increase risk of post-operative delirium after complex spinal fusion for adult deformity correction.” J Spine Surg 5, no. 1 (March 2019): 79–87. https://doi.org/10.21037/jss.2018.12.10.
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  - Elsamadicy, Aladine A., Xinru Ren, Hanna Kemeny, Lefko Charalambous, Amanda R. Sergesketter, Shervin Rahimpour, Theresa Williamson, et al. “Independent Associations With 30- and 90-Day Unplanned Readmissions After Elective Lumbar Spine Surgery: A National Trend Analysis of 144 123 Patients.” Neurosurgery 84, no. 3 (March 1, 2019): 758–67. https://doi.org/10.1093/neuros/nyy215.
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  - Elsamadicy, Aladine A., David T. Lubkin, Amanda R. Sergesketter, Syed M. Adil, Lefko T. Charalambous, Nicolas Drysdale, Theresa Williamson, et al. “Rate of instrumentation changes on postoperative and follow-up radiographs after primary complex spinal fusion (five or more levels) for adult deformity correction.” J Neurosurg Spine 30, no. 3 (January 11, 2019): 376–81. https://doi.org/10.3171/2018.9.SPINE18686.
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  - Teng, Yang D., Muhammad Abd-El-Barr, Lei Wang, Hadi Hajiali, Liqun Wu, and Ross D. Zafonte. “Spinal cord astrocytomas: progresses in experimental and clinical investigations for developing recovery neurobiology-based novel therapies.” Exp Neurol 311 (January 2019): 135–47. https://doi.org/10.1016/j.expneurol.2018.09.010.
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  - Karikari, Isaac, Zoher Ghogawala, Alexander E. Ropper, Daniel Yavin, Mostafa Gabr, C Rory Goodwin, Muhammad Abd-El-Barr, Anand Veeravagu, and Marjorie C. Wang. “Utility of Cervical Collars Following Cervical Fusion Surgery. Does It Improve Fusion Rates or Outcomes? A Systematic Review.” World Neurosurg, December 26, 2018. https://doi.org/10.1016/j.wneu.2018.12.066.
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  - Aglio, Linda S., Muhammad M. Abd-El-Barr, Vwaire Orhurhu, Grace Y. Kim, Jie Zhou, Laverne D. Gugino, Lisa J. Crossley, James L. Gosnell, John H. Chi, and Michael W. Groff. “Preemptive analgesia for postoperative pain relief in thoracolumbosacral spine operations: a double-blind, placebo-controlled randomized trial.” J Neurosurg Spine 29, no. 6 (December 1, 2018): 647–53. https://doi.org/10.3171/2018.5.SPINE171380.
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  - Kessler, Remi A., Rafael De la Garza Ramos, Taylor E. Purvis, A Karim Ahmed, C Rory Goodwin, Daniel M. Sciubba, and Muhammad M. Abd-El-Barr. “Impact of frailty on complications in patients with thoracic and thoracolumbar spinal fracture.” Clin Neurol Neurosurg 169 (June 2018): 161–65. https://doi.org/10.1016/j.clineuro.2018.04.014.
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  - Abd-El-Barr, Muhammad M., Kevin T. Huang, Ziev B. Moses, J Bryan Iorgulescu, and John H. Chi. “Recent advances in intradural spinal tumors.” Neuro Oncol 20, no. 6 (May 18, 2018): 729–42. https://doi.org/10.1093/neuonc/nox230.
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  - Abd-El-Barr, Muhammad M., and John H. Chi. “From the Bottom Up: The Role of Sacral Pattern Generators in Modulating Rostral Lumbar Flexor Motor Neurons.” Neurosurgery 81, no. 3 (September 1, 2017): N28–29. https://doi.org/10.1093/neuros/nyx396.
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  - Robertson, Faith C., Muhammad M. Abd-El-Barr, Srinivasan Mukundan, and William B. Gormley. “Ventriculostomy-associated hemorrhage: a risk assessment by radiographic simulation.” J Neurosurg 127, no. 3 (September 2017): 532–36. https://doi.org/10.3171/2016.8.JNS16538.
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  - Castro, Victor M., Dmitriy Dligach, Sean Finan, Sheng Yu, Anil Can, Muhammad Abd-El-Barr, Vivian Gainer, et al. “Large-scale identification of patients with cerebral aneurysms using natural language processing.” Neurology 88, no. 2 (January 10, 2017): 164–68. https://doi.org/10.1212/WNL.0000000000003490.
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  - Zeng, Xiang, Inbo Han, Muhammad Abd-El-Barr, Zaid Aljuboori, Jamie E. Anderson, John H. Chi, Ross D. Zafonte, and Yang D. Teng. “The Effects of Thermal Preconditioning on Oncogenic and Intraspinal Cord Growth Features of Human Glioma Cells.” Cell Transplant 25, no. 12 (December 13, 2016): 2099–2109. https://doi.org/10.3727/096368916X691493.
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  - Abd-El-Barr, Muhammad M., Brian D. Snyder, John B. Emans, Mark R. Proctor, and Daniel Hedequist. “Combined preoperative traction with instrumented posterior occipitocervical fusion for severe ventral brainstem compression secondary to displaced os odontoideum: technical report of 2 cases.” J Neurosurg Pediatr 25, no. 6 (December 2016): 724–29. https://doi.org/10.3171/2016.5.PEDS16122.
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  - Abou-Al-Shaar, Hussam, Muhammad M. Abd-El-Barr, Hasan A. Zaidi, Eleanor Russell-Goldman, Rebecca D. Folkerth, Edward R. Laws, and E Antonio Chiocca. “Frontal dermoid cyst coexisting with suprasellar craniopharyngioma: a spectrum of ectodermally derived epithelial-lined cystic lesions?” Neurosurg Focus 41, no. 6 (December 2016): E16. https://doi.org/10.3171/2016.8.FOCUS16238.
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  - Liu, Jingyi, Muhammad Abd-El-Barr, and John H. Chi. “Long-term Training With a Brain-Machine Interface-Based Gait Protocol Induces Partial Neurological Recovery in Paraplegic Patients.” Neurosurgery 79, no. 6 (December 2016): N13–14. https://doi.org/10.1227/01.neu.0000508601.15824.39.
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  - Moses, Ziev B., Alp Ozpinar, Muhammad M. Abd-El-Barr, Luis G. Quinonez, Sitaram M. Emani, and Liliana C. Goumnerova. “Direct heart shunt placement for CSF diversion: technical note.” J Neurosurg Pediatr 25, no. 6 (December 2016): 663–66. https://doi.org/10.3171/2016.5.PEDS15638.
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  - Ropper, Alexander E., Xiang Zeng, Hariprakash Haragopal, Jamie E. Anderson, Zaid Aljuboori, Inbo Han, Muhammad Abd-El-Barr, et al. “Targeted Treatment of Experimental Spinal Cord Glioma With Dual Gene-Engineered Human Neural Stem Cells.” Neurosurgery 79, no. 3 (September 2016): 481–91. https://doi.org/10.1227/NEU.0000000000001174.
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  - Hulou, M Maher, Muhammad M. Abd-El-Barr, William B. Gormley, Amir A. Zamani, Ian F. Dunn, and Ossama Al-Mefty. “The frequency and severity of intracranial hypotension post-intraoperative lumbar drainage using a Tuohy needle and the traditional needle.” Br J Neurosurg 30, no. 4 (August 2016): 438–43. https://doi.org/10.3109/02688697.2015.1122172.
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  - Abd-El-Barr, Muhammad M., Kevin T. Huang, and John H. Chi. “Infiltrating spinal cord astrocytomas: Epidemiology, diagnosis, treatments and future directions.” J Clin Neurosci 29 (July 2016): 15–20. https://doi.org/10.1016/j.jocn.2015.10.048.
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  - Abd-El-Barr, Muhammad M., and John H. Chi. “New Targeted Treatment for Ankylosing Spondylitis.” Neurosurgery 78, no. 4 (April 2016): N14–15. https://doi.org/10.1227/01.neu.0000481985.28365.d4.
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  - Huang, Kevin T., Wenya Linda Bi, Muhammad Abd-El-Barr, Sandra C. Yan, Ian J. Tafel, Ian F. Dunn, and William B. Gormley. “The Neurocritical and Neurosurgical Care of Subdural Hematomas.” Neurocrit Care 24, no. 2 (April 2016): 294–307. https://doi.org/10.1007/s12028-015-0194-x.
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  - Cowan, Cameron S., Muhammad Abd-El-Barr, Meike van der Heijden, Eric M. Lo, David Paul, Debra E. Bramblett, Janis Lem, David L. Simons, and Samuel M. Wu. “Connexin 36 and rod bipolar cell independent rod pathways drive retinal ganglion cells and optokinetic reflexes.” Vision Res 119 (February 2016): 99–109. https://doi.org/10.1016/j.visres.2015.11.006.
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  - Rehder, Roberta, Muhammad Abd-El-Barr, Kristopher Hooten, Peter Weinstock, Joseph R. Madsen, and Alan R. Cohen. “The role of simulation in neurosurgery.” Childs Nerv Syst 32, no. 1 (January 2016): 43–54. https://doi.org/10.1007/s00381-015-2923-z.
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  - Donnelly, Dustin J., Muhammad M. Abd-El-Barr, and Yi Lu. “Minimally Invasive Muscle Sparing Posterior-Only Approach for Lumbar Circumferential Decompression and Stabilization to Treat Spine Metastasis--Technical Report.” World Neurosurg 84, no. 5 (November 2015): 1484–90. https://doi.org/10.1016/j.wneu.2015.06.018.
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  - Vasudeva, Viren S., Muhammad M. Abd-El-Barr, and John H. Chi. “Implantation of Neonatal Skin-Derived Precursor Schwann Cells Improves Outcomes After Incomplete Cervical Spinal Cord Injury in Rats.” Neurosurgery 77, no. 2 (August 2015): N15–17. https://doi.org/10.1227/01.neu.0000467294.10763.69.
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  - Abd-El-Barr, Muhammad M., Seth M. Santos, Linda S. Aglio, Geoffrey S. Young, Srinivasan Mukundan, Alexandra J. Golby, William B. Gormley, and Ian F. Dunn. “"Extraoperative" MRI (eoMRI) for Brain Tumor Surgery: Initial Results at a Single Institution.” World Neurosurg 83, no. 6 (June 2015): 921–28. https://doi.org/10.1016/j.wneu.2015.02.002.
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  - Abd-El-Barr, Muhammad M., Viren S. Vasudeva, and John H. Chi. “All hands on deck: the importance of additional pathways in mediating recovery in spinal cord injury.” Neurosurgery 76, no. 6 (June 2015): N12–13. https://doi.org/10.1227/01.neu.0000465852.71081.f2.
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  - Moses, Ziev B., Muhammad M. Abd-El-Barr, and John H. Chi. “Timing is everything in corticospinal tract recovery after stroke.” Neurosurgery 76, no. 4 (April 2015): N18–19. https://doi.org/10.1227/01.neu.0000462697.23265.f4.
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  - Abd-El-Barr, Muhammad M., Wenya Linda Bi, Biji Bahluyen, Samuel T. Rodriguez, Michael W. Groff, and John H. Chi. “Extensive spinal epidural abscess treated with "apical laminectomies" and irrigation of the epidural space: report of 2 cases.” J Neurosurg Spine 22, no. 3 (March 2015): 318–23. https://doi.org/10.3171/2014.11.SPINE131166.
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  - Abd-El-Barr, Muhammad M., and E Antonio Chiocca. “No free lunch: secondary neoplasms after stereotactic radiation.” World Neurosurg 83, no. 3 (March 2015): 330–31. https://doi.org/10.1016/j.wneu.2014.02.016.
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  - Abd-El-Barr, M. M., C. I. Strong, and M. W. Groff. “Chiari malformations: diagnosis, treatments and failures.” J Neurosurg Sci 58, no. 4 (December 2014): 215–21.
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  - Vasudeva, Viren S., Muhammad Abd-El-Barr, and John Chi. “Lumbosacral spinal cord epidural stimulation enables recovery of voluntary movement after complete motor spinal cord injury.” Neurosurgery 75, no. 6 (December 2014): N14–15. https://doi.org/10.1227/01.neu.0000457194.09781.8a.
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  - Abd-El-Barr, Muhammad, and Michael W. Groff. “Looking through a crystal ball--the question of primarily fusing to the pelvis in adult degenerative scoliosis.” World Neurosurg 82, no. 3–4 (September 2014): e451–52. https://doi.org/10.1016/j.wneu.2013.07.109.
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  - Abd-El-Barr, Muhammad M., and E Antonio Chiocca. “Who benefits from surgery for brain metastases?” World Neurosurg 82, no. 1–2 (July 2014): e115–16. https://doi.org/10.1016/j.wneu.2014.03.020.
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  - Abd-El-Barr, Muhammad M., and E Antonio Chiocca. “How much is enough? The question of extent of resection in glioblastoma multiforme.” World Neurosurg 82, no. 1–2 (July 2014): e109–10. https://doi.org/10.1016/j.wneu.2014.05.006.
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  - Tierney, Travis S., Muhammad M. Abd-El-Barr, Arielle D. Stanford, Kelly D. Foote, and Michael S. Okun. “Deep brain stimulation and ablation for obsessive compulsive disorder: evolution of contemporary indications, targets and techniques.” Int J Neurosci 124, no. 6 (June 2014): 394–402. https://doi.org/10.3109/00207454.2013.852086.
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  - Abd-El-Barr, Muhammad, and Michael W. Groff. “Less is more: limiting the size of posterior fossa decompressions in Chiari I malformations.” World Neurosurg 81, no. 5–6 (May 2014): 706–7. https://doi.org/10.1016/j.wneu.2013.07.116.
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  - Oyama, Genko, Amanda Thompson, Kelly D. Foote, Natlada Limotai, Muhammad Abd-El-Barr, Nicholas Maling, Irene A. Malaty, et al. “Deep brain stimulation for tremor associated with underlying ataxia syndromes: a case series and discussion of issues.” Tremor Other Hyperkinet Mov (N Y) 4 (2014): 228. https://doi.org/10.7916/D8542KQ5.
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  - Abd-El-Barr, Muhammad M., Emam Saleh, Raymond Y. Huang, and Alexandra J. Golby. “Effect of disease and recovery on functional anatomy in brain tumor patients: insights from functional MRI and diffusion tensor imaging.” Imaging Med 5, no. 4 (August 1, 2013): 333–46. https://doi.org/10.2217/iim.13.40.
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  - Abd-El-Barr, Muhammad M., and Alan R. Cohen. “The origin and evolution of neuroendoscopy.” Childs Nerv Syst 29, no. 5 (May 2013): 727–37. https://doi.org/10.1007/s00381-013-2055-2.
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  - Viswanathan, Ashwin, Muhammad M. Abd-El-Barr, Egon Doppenberg, Dima Suki, Ziya Gokaslan, Ehud Mendel, Ganesh Rao, and Laurence D. Rhines. “Initial experience with the use of an expandable titanium cage as a vertebral body replacement in patients with tumors of the spinal column: a report of 95 patients.” Eur Spine J 21, no. 1 (January 2012): 84–92. https://doi.org/10.1007/s00586-011-1882-7.
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  - Abd-El-Barr, Muhammad M., Brenda Wu, Maryam Rahman, Anthony T. Yachnis, Steven N. Roper, and Stephan Eisenschenk. “Atypical Rasmussen's encephalitis treated with temporal lobectomy.” J Clin Neurosci 18, no. 2 (February 2011): 287–90. https://doi.org/10.1016/j.jocn.2010.05.011.
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  - Rahman, Maryam, Loic Deleyrolle, Vinata Vedam-Mai, Hassan Azari, Muhammad Abd-El-Barr, and Brent A. Reynolds. “The cancer stem cell hypothesis: failures and pitfalls.” Neurosurgery 68, no. 2 (February 2011): 531–45. https://doi.org/10.1227/NEU.0b013e3181ff9eb5.
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  - Abd-El-Barr, Muhammad M., J Bridger Cox, Michael U. Antonucci, Jeffrey Bennett, Gregory J. A. Murad, and David W. Pincus. “Recombinant human bone morphogenetic protein-2 as an adjunct for spine fusion in a pediatric population.” Pediatr Neurosurg 47, no. 4 (2011): 266–71. https://doi.org/10.1159/000335424.
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  - Abd-El-Barr, Muhammad M., Maryam Rahman, and Ganesh Rao. “Investigational therapies for brain metastases.” Neurosurg Clin N Am 22, no. 1 (January 2011): 87–vii. https://doi.org/10.1016/j.nec.2010.08.008.
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  - Abd-El-Basset, E. M., and Muhammad M. Abd-El-Barr. “Effect of interleukin-1β on the expression of actin isoforms in cultured mouse astroglia.” Anat Rec (Hoboken) 294, no. 1 (January 2011): 16–23. https://doi.org/10.1002/ar.21303.
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  - Abd-El-Barr, Muhammad M., Jacob R. Joseph, Rebecca Schultz, Joseph L. Edmonds, Angus A. Wilfong, and Daniel Yoshor. “Vagus nerve stimulation for drop attacks in a pediatric population.” Epilepsy Behav 19, no. 3 (November 2010): 394–99. https://doi.org/10.1016/j.yebeh.2010.06.044.
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  - Rahman, Maryam, Muhammad M. Abd-El-Barr, Vinata Vedam-Mai, Kelly D. Foote, Gregory J. A. Murad, Michael S. Okun, and Steven N. Roper. “Disrupting abnormal electrical activity with deep brain stimulation: is epilepsy the next frontier?” Neurosurg Focus 29, no. 2 (August 2010): E7. https://doi.org/10.3171/2010.4.FOCUS10104.
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  - Abd-El-Barr, Muhammad M., Mark E. Pennesi, Shannon M. Saszik, Andrew J. Barrow, Janis Lem, Debra E. Bramblett, David L. Paul, Laura J. Frishman, and Samuel M. Wu. “Genetic dissection of rod and cone pathways in the dark-adapted mouse retina.” J Neurophysiol 102, no. 3 (September 2009): 1945–55. https://doi.org/10.1152/jn.00142.2009.
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  - Abd-El-Barr, Muhammad M., Thomas A. Albini, Petros E. Carvounis, Feng He, Roberta P. A. Manzano, Patricia Chevez-Barrios, Theodore G. Wensel, Samuel M. Wu, and Eric R. Holz. “Safety and pharmokinetics of triamcinolone hexacetonide in rabbit eyes.” J Ocul Pharmacol Ther 24, no. 2 (April 2008): 197–205. https://doi.org/10.1089/jop.2007.0103.
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  - Abd-El-Barr, Muhammad M., Kristen Sykoudis, Sara Andrabi, Erica R. Eichers, Mark E. Pennesi, Perciliz L. Tan, John H. Wilson, Nicholas Katsanis, James R. Lupski, and Samuel M. Wu. “Impaired photoreceptor protein transport and synaptic transmission in a mouse model of Bardet-Biedl syndrome.” Vision Res 47, no. 27 (December 2007): 3394–3407. https://doi.org/10.1016/j.visres.2007.09.016.
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  - Pang, Ji-Jie, Muhammad M. Abd-El-Barr, Fan Gao, Debra E. Bramblett, David L. Paul, and Samuel M. Wu. “Relative contributions of rod and cone bipolar cell inputs to AII amacrine cell light responses in the mouse retina.” J Physiol 580, no. Pt. 2 (April 15, 2007): 397–410. https://doi.org/10.1113/jphysiol.2006.120790.
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  - Albini, Thomas A., Muhammad M. Abd-El-Barr, Petros E. Carvounis, Mohan N. Iyer, Rohit R. Lakhanpal, Mark E. Pennesi, Patricia Chevez-Barrios, Samuel M. Wu, and Eric R. Holz. “Long-term retinal toxicity of intravitreal commercially available preserved triamcinolone acetonide (Kenalog) in rabbit eyes.” Invest Ophthalmol Vis Sci 48, no. 1 (January 2007): 390–95. https://doi.org/10.1167/iovs.06-0145.
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  - Carvounis, Petros E., Muhammad M. Abd-El-Barr, Thomas A. Albini, and Eric R. Holz. “Effects of intravitreous injection of preserved and non-preserved triamcinolone in rabbit retina.” Arch Ophthalmol 124, no. 11 (November 2006): 1666. https://doi.org/10.1001/archopht.124.11.1666-a.
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  - Eichers, Erica R., Muhammad M. Abd-El-Barr, Richard Paylor, Richard Alan Lewis, Weimin Bi, Xiaodi Lin, Thomas P. Meehan, et al. “Phenotypic characterization of Bbs4 null mice reveals age-dependent penetrance and variable expressivity.” Hum Genet 120, no. 2 (September 2006): 211–26. https://doi.org/10.1007/s00439-006-0197-y.
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  - Rahman, Mohammed, Muhammad Abd-El-Barr, Vivian Mack, Tomasz Tkaczyk, Konstantin Sokolov, Rebecca Richards-Kortum, and Michael Descour. “Optical imaging of cervical pre-cancers with structured illumination: an integrated approach.” Gynecol Oncol 99, no. 3 Suppl 1 (December 2005): S112–15. https://doi.org/10.1016/j.ygyno.2005.07.053.
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  - Utzinger, Urs, Michael Bueeler, Sanghoon Oh, Douglas L. Heintzelman, Ekaterina S. Svistun, Muhammad Abd-El-Barr, Ann Gillenwater, and Rebecca Richards-Kortum. “Optimal visual perception and detection of oral cavity neoplasia.” Ieee Trans Biomed Eng 50, no. 3 (March 2003): 396–99. https://doi.org/10.1109/TBME.2003.808832.
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- Book Sections
  - DeCarvalho, S. A., M. M. Abd-El-Barr, and M. W. Groff. “Vascular complications in cervical spine surgery (anterior and posterior approach).” In Complications in Neurosurgery, 314–19, 2018. https://doi.org/10.1016/B978-0-323-50961-9.00053-0.
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- Conference Papers
  - Mehta, V. A., T. Y. Wang, E. W. Sankey, C. R. Goodwin, M. M. Abd-El-Barr, and I. O. Karikari. “Prevention of proximal junctional kyphosis or failure: Soft landings and tension band augmentation.” In Techniques in Orthopaedics, 36:30–34, 2021. https://doi.org/10.1097/BTO.0000000000000526.
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  - Park, Christine, Vikram Mehta, Luis Ramirez, Elizabeth Howell, Meghan Price, John Kirkpatrick, Scott Floyd, et al. “Pain Outcomes in Single-Dose versus Fractionated Stereotactic Body Radiation Therapy for Spinal Metastases.” In Journal of Neurosurgery, 132:26–26. AMER ASSOC NEUROLOGICAL SURGEONS, 2020.
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  - Abdelgadir, Jihad, Jacquelyn Corley, Cyrus Elahi, Mohamed Mustafa Diab, Muhammad Abd-El-Barr, C Rory Goodwin, Michael Haglund, Isaac Karikari, and Joao Ricardo Nickenig Vissoci. “What is the Impact of Spine Surgery on Opioid Use? A Systematic Review and Meta-Analysis.” In Journal of Neurosurgery, Vol. 131. AMER ASSOC NEUROLOGICAL SURGEONS, 2019.
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  - Elsamadicy, Aladine Abdalla, Aladine Elsamadicy, Lefko Charalambous, Joaquin Camara-Quintana, Isaac Freedman, Nicolas Drysdale, Adam Kundishora, Muhammad Abd-El-Barr, Isaac Karikari, and Syed Adil. “Intraoperative Ketamine May Increase Risk of Post- Operative Delirium After Complex Spinal Fusion (>=5 Levels) for Adult Deformity Correction: A Single Institutional Study of 138 Patients.” In Journal of Neurosurgery, Vol. 131. AMER ASSOC NEUROLOGICAL SURGEONS, 2019.
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  - Hodges, Sarah, Theresa Williamson, Zidanyue Yang, Hui-Jie Lee, Shivanand Lad, and Muhammad Abd-El-Barr. “DIFFERENT HOSPITAL, DIFFERENT INTERVENTION? PREDICTORS OF SURGICAL INTERVENTION AND OUTCOMES IN TRAUMATIC SPINAL CORD INJURY.” In Journal of Neurotrauma, 36:A66–67. MARY ANN LIEBERT, INC, 2019.
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  - Howell, Elizabeth, Mostafa Gabr, Daniel Villalobos, Timothy Wang, Elisabeth Tuoko, Brice Painter, Alexia Bwensa, Muhammad Abd-El-Barr, Isaac Karikari, and Rory Goodwin. “Impact of Bracing after Thoracolumbar Spinal Fusion: A Systematic Review.” In Journal of Neurosurgery, Vol. 131. AMER ASSOC NEUROLOGICAL SURGEONS, 2019.
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  - Elsamadicy, Aladine A., Nicolas Drysdale, Amanda Sergesketter, Syed Adil, Lefko Charalambous, Theresa Williamson, Joaquin Q. Camara-Quintana, Muhammad M. Abd-El-Barr, C Rory Goodwin, and Isaac O. Karikari. “161 Association Between Preoperative Narcotic Use With Surgical Outcomes, Patient Reported Pain Scores and Ambulatory Status After Complex Spinal Fusion (≥5 Levels) for Adult Deformity Correction.” In Neurosurgery, 65:101–2. Oxford University Press (OUP), 2018. https://doi.org/10.1093/neuros/nyy303.161.
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  - Elsamadicy, Aladine A., Xinru Ren, Hanna Kemeny, Lefko Charalambous, Shervin Rahimpour, Theresa Williamson, C Rory Goodwin, et al. “156 Independent Associations With 30- and 90-Day Unplanned Readmissions After Elective Lumbar Spine Surgery: A National Trend Analysis of 144 123 Patients.” In Neurosurgery, 65:100–100. Oxford University Press (OUP), 2018. https://doi.org/10.1093/neuros/nyy303.156.
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  - Oyama, G., A. J. Thompson, N. Limotai, N. Maling, M. Abd-El-Barr, K. Foote, S. H. Subramony, T. Ashizawa, and M. Okun. “Tailoring DBS treatment for tremor and dystonia associated with various ataxia syndromes: A case series.” In Movement Disorders, 27:S196–S196. WILEY-BLACKWELL, 2012.
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  - Abd-El-Barr, M. M., E. R. Hsu, E. V. Anslyn, M. R. Descour, R. Lotan, A. M. Gillenwater, and R. R. Richards-Kortum. “Optical sectioning wide-field microscopy for imaging oral cancer.” In Annual International Conference of the Ieee Engineering in Medicine and Biology Proceedings, 3:2306–7, 2002.

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