Nicholas Theodore MD

PubMed

• Precision in Spinal Cord Injury Research: A Novel Electromagnetic Impactor for a Consistent Porcine Model.
  Leonard Steger, Abdul Karim Ghaith, Carly Weber-Levine, Kayla Robinson, Christina Krueger
  Annals of Biomedical Engineering. 2025-11-01
• Duraplasty in acute spinal cord injury: a systematic review.
  Tej D Azad, Ahmet Kartal, Mahnoor Shafi, Daniel Lubelski, Nicholas Theodore
  European Spine Journal. 2025-11-01
• Presenting symptoms and outcomes of cervical and thoracic ependymomas compared to conus and filum ependymomas.
  Fnu Ruchika, A Karim Ahmed, Abdel-Hameed Al-Mistarehi, Yuanxuan Xia, Joseph Rajasekaran
  Journal of Neurosurgery. Spine. 2025-10-24

Journal Articles

• Original Article Use of Recombinant Human Bone Morphogenetic Protein-2 at the C1-2 Lateral Articulation Without Posterior Structural Bone Graft in Posterior Atlantoaxi...  
  Benjamin D Elder, Nicholas Theodore, Yuanxuan Xia, Ali Bydon, Risheng Xu, Daniel M Sciubba, Timothy F Witham, Wataru Ishida, Ziya L Gokaslan, ScienceDirect
• National Football League Head, Neck, and Spine Committee's Concussion Diagnosis and Management Protocol: 2017-2018 season  
  Ellenbogen RG, Batjer H, Cardenas J, Berger M, Bailes J, Pieroth E, Heyer R, Theodore N, Hsu W, Nabel E, Maroon J, Cantu R, Barnes R, Collins J, Putukian M, Lonser R, ..., Br J Sports Med, 1/16/2018
• Biomechanical analysis of an expendable lumbar interbody spacer  
  Soriano-Baron H, Newcomb AGUS, Malhotra D, Palma AE Jr., Martinez-del-Campo E, Crawford NR, Theodore N, Kelly BP, Kaibara T, World Neurosurg, 1/13/2018
• Starting a medical technology venture as a young academic innovator or student entrepreneur  
  Manbachi A, Kreamer-Tonin K, Walch P, Gamo NJ, Khoshakhlagh P, Zhang YS, Montague C, Acharya S, Logsdon EA, Allen RH, Durr NJ, Luciano MG, Theodore N, Brem H, Yazdi Y, Ann Biomed Eng, 1/1/2018
• Computed tomography angiography as a confirmatory test for the diagnosis of brain death  
  Garrett MP, Williamson RW, Bohl MA, Bird CR, Theodore N, J Neurosurg, 1/1/2018
• Circumferential dural resection technique and reconstruction for the removal of giant calcified transdural herniated thoracic discs  
  Walker CT, Kalani MYS, Oppenlander ME, Godzik J, Martirosyan N, Standerfer RJ, Theodore N, J Neurosurg Spine, 1/1/2018
• The history of robotics in spine surgery  
  Theodore N, Ahmed AK, Spine (Phila PA), 1/1/2018
• Misplacement of stent into epidural venous plexus with resultant cauda equina syndrome and open surgical treatment: A case report  
  Whiting BB, Mulholland CB, Daniels L, Kakarla UK, Theodore N, Snyder LA, Oper Neurosurg, 1/2/2017
• The role of therapeutic hypothermia in the management of acute spinal cord injury  
  Martirosyan NL, Patel AA, Carotenuto A, Kalani MY, Bohl MA, Preul MC, Theodore N, Clin Neurol Neurosurg, 1/1/2017
• Personalized medicine and neurosurgery  
  Kalani MYS, Theodore N, Front Surg, 1/1/2017
• New clinical-pathological classification of intraspinal injury following traumatic acute complete thoracic spinal cord injury: Postdurotomy/myelotomy observations from...  
  RT, Ulich TR, Coric D, Arnold PM, Guest JD, Heary RH, Hsieh PC, Jenkins AL, Kim KD, Lee KS, Masuoka LK, Neff KM, Ray WZ, Theodore N, Fehlings MG, Neurosurgery, 1/1/2017
• In reply: Occipitocervical fixation: A single surgeon�s experience with 120 patients  
  Theodore N, Neurosurgery, 1/1/2017
• Mathematical model of bone morphogenetic proteins� influence on intervertebral disc cell proliferation in vitro  
  Bardonova LA, Belykh EG, Byvaltsev VA, Theodore N, Preul MC, Giers MB, New Armenian Med J, 1/1/2017
• 2016 Infectious Diseases Society of America (IDSA) clinical practice guideline for the treatment of coccidioidomycosis  
  Galgiani JN, Ampel NM, Blair JE, Catanzaro A, Geertsma F, Hoover SE, Johnson RH, Kusne S, Lisse J, MacDonald JD, Meyerson SL, Raskin PB, Siever J, Stevens DA, Sunenshi..., Clin Infect Dis, 1/1/2016
• Executive summary: 2016 Infectious Diseases Society of America (IDSA) clinical practice guideline for the treatment of coccidioidomycosis  
  Galgiani JN, Ampel NM, Blair JE, Catanzaro A, Geertsma F, Hoover SE, Johnson RH, Kusne S, Lisse J, MacDonald JD, Meyerson SL, Raskin PB, Siever J, Stevens DA, Sunenshi..., Clin Infect Dis, 1/1/2016
• The influence of common medical conditions on the outcome of anterior lumbar interbody fusion  
  Kalb S, Perez-Orribo L, Kalani MY, Snyder LA, Martirosyan NL, Burns K, Standerfer RJ, Kakarla UK, Dickman CA, Theodore N, Clin Spine Surg, 1/1/2016
• Effects of anterior plating on clinical outcomes of anterior lumbar interbody fusion  
  Snyder LA, Kalb S, Kakarla UK, Porter RW, Kaibara T, Dickman CA, Theodore N, Clin Spine Surg, 1/1/2016
• The role of microRNA markers in the diagnosis, treatment, and outcome prediction of spinal cord injury  
  Martirosyan NL, Carotenuto A, Patel AA, Kalani MY, Yagmurlu K, Lemole GM Jr, Preul MC, Theodore N, Front Surg, 1/1/2016
• Genetic alterations in intervertebral disc disease  
  Martirosyan NL, Patel AA, Carotenuto A, Kalani MY, Belykh E, Walker CT, Preul MC, Theodore N, Front Surg, 1/1/2016
• Genetics underlying an individualized approach to adult spinal disorders  
  Walker CT, Bonney PA, Martirosyan NL, Theodore N, Front Surg, 1/1/2016
• The efficacy and risks of preoperative embolization of spinal tumors  
  Awad AW, Almefty KK, Ducruet AF, Turner JD, Theodore N, McDougall CG, Albuquerque FC, J Neurointerv Surg, 1/1/2016
• Extensive traumatic anterior skull base fractures with cerebrospinal fluid leak: Classification and repair techniques using combined vascularized tissue flaps  
  Archer JB, Sun H, Bonney PA, Zhao YD, Hiebert JC, Sanclement JA, Little AS, Sughrue ME, Theodore N, James J, Safavi-Abbasi S, J Neurosurg, 1/1/2016
• Surgical anatomy and utility of pedicled vascularized tissue flaps for multilayered repair of skull base defects  
  Safavi-Abbasi S, Komune N, Archer JB, Sun H, Theodore N, James J, Little AS, Nakaji P, Sughrue ME, Rhoton AL, Spetzler RF, J Neurosurg, 1/1/2016
• Pediatric occipitocervical fusion: Long-term radiographic changes in curvature, growth, and alignment  
  Martinez-del-Campo E, Turner JD, Soriano-Baron H, Newcomb AG, Kalb S, Theodore N, J Neurosurg Pediatr, 1/1/2016
• Pediatric occipitocervical fixation: Radiographic criteria, surgical technique, and clinical outcomes based on experience of a single surgeon  
  Martinez-del-Campo E, Turner JD, Rangel-Castilla L, Soriano-Baron H, Kalb S, Theodore N, J Neurosurg Peditar, 1/1/2016
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Books/Book Chapters

• Youmans & Winn Neurological Surgery. 
  Chapter: Anterior cervical instrumentation. 
  Theodore N, Soriano-Baron H, Sonntag VKHEditors: Winn HR.Elsevier, Philadelphia, PAEdition 7th,2017
• Youmans & Winn Neurological Surgery. 
  Chapter: Classification and treatment of O-C1 craniocervical injuries. 
  Theodore N, Soriano-Baron HEditors: Winn HR.Elsevier, Philadelphia, PAEdition 7th,2017
• Essentials of Spinal Stabilization. 
  Chapter: Halo vest immobilization. 
  Page 9 - 16Theodore NEditors: Holly L, Anderson P.Springer, New York, NY2017
• Benzel�s Spine Surgery. 
  Chapter: Upper cervical and occipitocervical arthrodesis. 
  Page 458 - 470Soriano-Baron H, Martinez-del-Campo E, Neal M, Theodore NEditors: Benzel E, Kuntz C, Steinmetz M.Elsevier, Philadelphia, PAEdition 4th,2017
• Benzel�s Spine Surgery. 
  Chapter: Extraspinal anatomy and surgical approaches to the thoracic spine. 
  Page 397 - 405Martinez-del-Campo E, Soriano-Baron H, Theodore NEditors: Benzel E, Kuntz C, Steinmetz M.Elsevier, Philadelphia, PAEdition 4th,2017
• Encyclopedia of Neurological Sciences. 
  Chapter: Diskectomy. 
  Page 1009 - 1011Zaidi HA, Theodore NEditors: Aminoff MJ, Daroff RB.Academic Press, San Diego, CAEdition 2nd,2014
• Encyclopedia of Neurological Sciences. 
  Chapter: Brain trauma, contrecoup. 
  Page 519 - 520Theodore N, Kalb SEditors: Aminoff MJ, Daroff RB.Academic Press, San Diego, CAEdition 2nd,2014
• Pediatric Craniovertebral Junction Diseases. 
  Chapter: Technical advances in pediatric craniovertebral junction surgery. 
  Page 201 - 215Oppenlander ME, Kalyvas J, Sonntag VKH, Theodore NEditors: Di Rocco C, Akalan N.Springer, New York, NY2014
• Pediatric Craniovertebral Junction Diseases. 
  Chapter: Pediatric craniovertebral junction trauma. 
  Page 333 - 355Oppenlander ME, Clark JC, Sonntag VKH, Theodore NEditors: Di Rocco C, Akalan N.Springer, New York, NY2014
• The Pocket Spine. 
  Chapter: Imaging of the spine. 
  Page 17 - 40Ohnmeiss DD, Soriano-Baron H, Martinez-del-Campo E, Theodore N, Whitaker CEditors: Whitaker C, Hochschuler SH.CRC Press, New York, NYEdition 2nd,2014
• Encyclopedia of Neurological Sciences. 
  Chapter: Spinal cord transection. 
  Page 270 - 274Martirosyan NL, Theodore NEditors: Aminoff MJ, Daroff RB.Academic Press, San Diego, CAEdition 2nd,2014
• Encyclopedia of Neurological Sciences. 
  Chapter: Lumbar spine stabilization. 
  Page 934 - 938Kalyvas J, Theodore NEditors: Aminoff MJ, Daroff RB.Academic Press, San Diego, CAEdition 2nd,2014
• Encyclopedia of Neurological Sciences. 
  Chapter: Thoracic spine stabilization. 
  Page 455 - 459Kalyvas J, Theodore NEditors: Aminoff MJ, Daroff RB.Academic Press, San Diego, CAEdition 2nd,2014
• Encyclopedia of Neurological Sciences. 
  Chapter: Head trauma, overview. 
  Page 531 - 533Kalb S, Theodore NEditors: Aminoff MJ, Daroff RB.Academic Press, San Diego, CAEdition 2nd,2014
• Surgical Anatomy and Techniques to the Spine. 
  Chapter: Vascular lesions of the spinal cord. 
  Martirosyan NL, Neckrysh S, Charbel FT, Theodore N, Lemole GMEditors: Vaccaro AR, Dickman CA, Cho D, Lee S, Kim I.Elsevier Saunders, Philadelphia, PAEdition 2nd,2013
• Surgery of the Craniovertebral Junction. 
  Chapter: Biomechanics of the craniovertebral junction. 
  Page 52 - 62Theodore NEditors: Bambakidis NC, Dickman CA, Spetzler RF, Sonntag VKH.Thieme, New York, NYEdition 2nd,2013
• Spine and Spinal Cord Tumors 
  Chapter: Spine biomechanics and balance of tumor reconstruction. 
  Baaj AA, Theodore N, Crawford NREditors: Ames C, Boriani S, Jandial R.Taylor & Francis, Oxford, England2013
• Core Techniques in Operative Neurosurgery. 
  Chapter: Thoracic transpedicular corpectomy. 
  Page 465 - 473Lochhead RA, Uschold TD, Theodore NEditors: Jandial R, McCormick PC, Black PM.Elsevier Saunders, Philadelphia, PA2011
• Spine and Spinal Cord Trauma: Evidence-Based Management. 
  Chapter: Management of neuropathic pain and late syrinx formation. 
  Theodore N, Harrop JS, Maughan PHEditors: Vaccaro AR, Fehlings MG, Dvorak MF.Thieme, New York, NY2010
• Atlas of Neurosurgical Techniques. 
  Chapter: Thoracoscopic sympathectomy. 
  Dickman CA, Theodore N, Baskin JEditors: Fessler RG, Sekhar LN.Thieme, New York, NY2006
• Spinal Cord and Spinal Column Tumors. 
  Chapter: Brachytherapy for malignant spinal tumors. 
  Page 226 - 229Theodore N, Dickman CA, Sonntag VKH, Rogers LCEditors: Dickman CA, Fehlings MG.Thieme, New York, NY2005
• Spinal Cord and Spinal Column Tumors. 
  Chapter: Complete thoracic spondylectomy for the excision of spinal neoplasms. 
  Page 523 - 535Theodore N, Dickman CAEditors: Dickman CA, Fehlings MG.Thieme, New York, NY2005
• Spinal Surgery: Techniques, Complication Avoidance, and Management. 
  Chapter: Upper cervical and craniocervical decompression. 
  Page 319 - 328Paramore C, Theodore N, Sonntag VKHEditors: Benzel EC.Elsevier Saunders, Philadelphia, PAEdition 2nd,2005
• Spinal Surgery: Techniques, Complication Avoidance, and Management. 
  Chapter: Ventral cervical discectomy without fusion. 
  Page 2140 - 2145Galler R, Theodore N, Sonntag VKHEditors: Benzel EC.Elsevier Saunders, Philadelphia, PAEdition 2nd,2005
• Spinal Surgery: Techniques, Complication Avoidance, and Management. 
  Chapter: Upper cervical and occipitocervical arthrodesis. 
  Page 389 - 396Crockard HA, Sonntag VKH, Theodore NEditors: Benzel EC.Elsevier Saunders, Philadelphia, PAEdition 2nd,2005
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Abstracts/Posters

• 3D-2D known-component registration for metal artifact reduction in cone-beam CT.
  Uneri A, Yi T, Zhang X, Stayman JW, Helm P, Osgood GM, Theodore N, Siewerdsen JH, 5th International Congress on Image Formation in X-Ray Computed Tomography, Salt Lake City, UT, 1/1/2018
• Apoptotic intervertebral disc cells� effect on transplanted cells� metabolism.
  Giers M, Bardinova L, Eyster K, Woolf E, Scheck A, Byvaltsev V, Theodore N, Preul MC, Biomedical Engineering Society Annual Meeting, Phoenix, AZ, 1/1/2017
• Differences between healthy and degenerated intervertebral disc cells metabolic response to bone morphogenetic proteins� influence.
  Bardonova L, Theodore N, Biomedical Engineering Society Annual Meeting, Phoenix, AZ, 1/1/2017
• Advanced image registration and reconstruction using the O-arm system: Dose reduction, image quality, and guidance using known-component models.
  Uneri A, Zhang X, Stayman JW, Helm P, Osgood GM, Theodore N, Siewerdsen JH, SPIE Medical Imaging Annual Meeting, Houston, TX, 1/1/2017
• High AIS grade conversion rate following neuro-spinal scaffold implantation in acute thoracic complete AIS A spinal cord injury (SCI): Potential mechanisms
  Theodore N, Kim K, Hsieh PC, Ray WZ, Barry M, Layer RT, Moore SW, Coric D, Annual Meeting of the Congress of Neurological Surgeons, San Diego, CA, 1/1/2016
• Implications for cell survival and regeneration in the intervertebral disc: Factors affecting nutrient transport.
  Giers MB, Munter B, Ide G, Eyster K, Newcomb A, Byvaltsev V, Kelly B, Crawford NR, Preul MC, Theodore N, 84th Annual Meeting of the American Association of Neurological Surgeons, Chicago, IL, 1/1/2016
• Fibrin glue does not increase drug retention in the spine: Implications for intraoperative spine surgery use.
  Giers MB, Cronk K, Lui Q, Preul MC, Theodore N, 84th Annual Meeting of the American Association of Neurological Surgeons, Chicago, IL, 1/1/2016
• First human implantation of a polymer scaffold for traumatic spinal cord injury: A clinical pilot study for safety and feasibility.
  Ropper AE, Hlubek R, Danielson J, Theodore N, 83rd Annual Meeting of the American Association of Neurological Surgeons, Washington, DC, 1/1/2015
• The effects of pedicle screw trajectory and presence of a crosslink during bilateral pullout.
  Theodore N, Annual Meeting of the Congress of Neurological Surgeons, Boston, MA, 1/1/2014
• Biomechanics of nested transforaminal lumbar interbody cages.
  Theodore N, Annual Meeting of the Congress of Neurological Surgeons, Boston, MA, 1/1/2014
• Cerebrospinal fluid drainage and induced hypertension improve spinal cord perfusion after acute spinal cord injury in pigs.
  Theodore N, 76th Annual Meeting, American Academy of Neurological Surgery, Watercolor Inn and Resort, Santa Rosa Beach, FL, 1/1/2014
• The safety and efficacy of 1.05 mg of the rh-BMP-2 in minimally invasive transforaminal lumbar interbody fusion: Review of 100 consecutive cases
  Tumialan LM, Marciano FF, Theodore N, 29th Annual Meeting of the AANS/CNS Section on Disorders of the Spine and Peripheral Nerves, JW Marriott Desert Ridge, Phoenix, AZ, 1/1/2013
• Lateral approaches.
  Uribe J, Theodore N, Fourth Annual ONE Spine Resident�s and Fellow�s Course, Swedish Neuroscience Institute, Seattle Science Foundation, Seattle, WA, 1/1/2013
• Brainbook: A statewide pilot for educating high school athletes about traumatic brain injury
  Theodore N, Cardenas J, Kalani YS, Conley Q, Barrus A, Chrostopherson R, Pilbeam R, Annual Meeting, Congress of Neurological Surgeons; Neurosurgical Forum, CNS Annual Meeting, Chicago, IL, 1/1/2012
• Outcome after decompression surgery for the treatment of Chiari type 1 malformation.
  Theodore N, American Association of Neurological Surgeons/Congress of Neurological Surgeons Section on Disorders of the Spine and Peripheral Nerves, Orlando, FL, 1/1/2012
• Occipitocervical fusion surgery. A single institution single surgeon experience
  Theodore N, American Association of Neurological Surgeons/Congress of Neurological Surgeons Section on Disorders of the Spine and Peripheral Nerves, Orlando, FL, 1/1/2012
• Anterior vs posterior interbody fusion. A comparison of outcomes
  Theodore N, American Association of Neurological Surgeons/Congress of Neurological Surgeons Section on Disorders of the Spine and Peripheral Nerves, Orlando, FL, 1/1/2012
• Catastrophic neurologic complications of emergent endotracheal tube intubation: Report of two cases and review of the literature
  Theodore N, 80th Annual American Association of Neurological Surgeons Scientific Meeting, Miami, FL, 1/1/2012
• Common medical conditions affecting outcome of anterior lumbar interbody fusion
  Theodore N, American Association of Neurological Surgeons Annual Meeting, Denver, CO, 1/1/2011
• Ossification of the posterior longitudinal ligament: Demographics, risk factors, and clinical presentation in a Caucasian population
  Theodore N, Congress of Neurological Surgeons, Washington, DC, 1/1/2011
• Comparative analysis of surgical modalities for the treatment of ossified posterior longitudinal ligament
  Theodore N, Congress of Neurological Surgeons, Washington, DC, 1/1/2011
• Quantitative analysis of misplaced pedicle screws in the thoracic spine: how much pullout strength is lost?
  Brasiliense LB, Theodore N, Lazaro BC, Sayed ZA, Deniz FE, Sonntag VK, Crawford NR, J Neurosurg Spine; Joint Spine Section Meeting, 1/1/2010
• Manganese enhanced MRI tract-tracing for spinal cord injury
  Martirosyan NL, Bennett KM, Theodore N, Preul MC, XIV World Congress of Neurological Surgery, Boston, MA, 1/1/2009
• Treatment of thoracolumbar burst fractures: Operative and nonoperative approaches (abstract).
  Horn EM, Feiz-Erfan I, Bambakidis NC, Sonntag VK, Theodore N, J Neurosurg, 1/1/2006
• Working area, angles of attack and safety zones for posterior C1 lateral mass screw placement: A quantitative anatomic and morphometric evaluation of the atlas
  Rocha R, Safavi-Abbasi S, Reis CVC, Hattendorf F, Theodore N, De Oliveira E, Sonntag VK, Crawford NR, 56th Annual Meeting of the Congress of Neurological Surgeons, Chicago, IL, 1/1/2006
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Lectures

• Occipitocervical fusion: Pearls and pitfalls. 
  Johns Hopkins University School of Medicine, Baltimore, MD, 2018; Wake Forest University, Winston-Sa - 1/1/2018
• Image guidance and robotics in spinal surgery. 
  Wake Forest University, Winston-Salem, NC - 1/1/2018
• Image-guided and robotic spinal surgery. 
  Dubai, United Arab Emirates, 2018 - 1/1/2018
• Robotics in spine surgery. 
  Marco Island, FL - 1/1/2018
• Frontiers of robot-assisted surgery: From lab to global impact. 
  Baltimore, MD - 1/1/2018
• Contemporary management of spinal fractures. 
  Los Angeles, CA - 1/1/2017
• Genetic predisposition to lumbar disk herniation in pediatric patients. 
  Los Angeles, CA - 1/1/2017
• Robotics: The future of spine surgery. 
  Los Angeles, CA - 1/1/2017
• History of robotics in medicine. 
  Audubon, PA - 1/1/2017
• Actual treatment of medullary lesions. 
  Mexico City, Mexico - 1/1/2017
• Cervical spine: Anterior approach. 
  Mexico City, Mexico - 1/1/2017
• Circumferential 360 degrees decompression treatment for cervical myelopathy is really useful. 
  Mexico City, Mexico - 1/1/2017
• Complex cases in spinal column surgery: Pearls and pitfalls. 
  Mexico City, Mexico - 1/1/2017
• Current management of spinal cord injury. 
  Mexico City, Mexico - 1/1/2017
• Robotic spine surgery. 
  Mexico City, Mexico - 1/1/2017
• Robotic surgery of the spinal cord. 
  Mexico City, Mexico - 1/1/2017
• The circumferential approach: Is it really necessary? 
  Mexico City, Mexico - 1/1/2017
• Robotics in spinal surgery. 
  Sea Island, GA - 1/1/2017
• The neurosurgeon and spine-related sports injuries. 
  Sea Island, GA - 1/1/2017
• The future of spinal cord injury is now. 
  Barrow Neurological Institute, Phoenix, AZ - 1/1/2017
• INSPIRE study update on 10 acute complete spinal cord injury patients implanted with a bioresorbable polymer scaffold. 
  Las Vegas, NV - 1/1/2017
• Genetic influences of lumbar disk herniation in young patients. 
  Las Vegas, NV - 1/1/2017
• Magnetic resonance imaging (MRI) does not distinguish between contusion and compound cord lesions following severe (AIS A) traumatic acute thoracic cord injury: Intrao... 
  Las Vegas, NV - 1/1/2017
• Introduction of DSPN Chairman. 
  Las Vegas, NV - 1/1/2017
• Navigation�Thoracolumbar trauma step-by-step. Hands-on Spinal Navigation course. 
  Las Vegas, NV - 1/1/2017
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Other

• Interview with Kim Komando of ABC news: Web delivers new worry for parents: Digital drugs. 
  Theodore N
  https://abcnews.go.com/Technology/Drugs/story?id=5544919&page=1
  1/1/2008