Ryan M Kretzer

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. ncbi request reprint Translaminar screw fixation in the upper thoracic spine
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 5:527-33. 2006
  2. doi request reprint Adjacent-level range of motion and intradiscal pressure after posterior cervical decompression and fixation: an in vitro human cadaveric model
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Spine (Phila Pa 1976) 37:E778-85. 2012
  3. doi request reprint The effect of spinal instrumentation on kinematics at the cervicothoracic junction: emphasis on soft-tissue response in an in vitro human cadaveric model
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, 600 North Wolfe Street, Meyer 8 161, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 13:435-42. 2010
  4. doi request reprint A computed tomography-based feasibility study of translaminar screw fixation in the upper thoracic spine
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 12:286-92. 2010
  5. doi request reprint A computed tomography-based morphometric study of thoracic pedicle anatomy in a random United States trauma population
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 14:235-43. 2011
  6. doi request reprint Surgical management of two- versus three-column injuries of the cervicothoracic junction: biomechanical comparison of translaminar screw and pedicle screw fixation using a cadaveric model
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Spine (Phila Pa 1976) 35:E948-54. 2010
  7. doi request reprint The rib head as a landmark in the anterolateral approach to the thoracic spine: a computed tomography-based morphometric study
    Kyriakos Papadimitriou
    Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    J Neurosurg Spine 18:484-9. 2013
  8. doi request reprint A computed tomography-based feasibility study of translaminar screw placement in the pediatric thoracic spine
    Camilo Molina
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Neurosurg Pediatr 9:27-34. 2012
  9. doi request reprint Thromboembolic events and spinal surgery
    Kyriakos Papadimitriou
    The Johns Hopkins School of Medicine, The Johns Hopkins Hospital, Department of Neurosurgery, 550 North Broadway Street, Baltimore, MD 21231, USA
    J Clin Neurosci 19:1617-21. 2012
  10. doi request reprint Comparative In Vitro Biomechanical Analysis of a Novel Posterior Cervical Fixation Technique Versus Conventional Posterior-based Constructs
    Camilo Molina
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore The Orthopaedic Spinal Research Laboratory, St Joseph Medical Center, Towson, MD DePuy Spine, a Johnson and Johnson Company, Raynham, MA Bioengineering Department, University of Toledo, Toledo, OH
    J Spinal Disord Tech 27:40-7. 2014

Detail Information

Publications16

  1. ncbi request reprint Translaminar screw fixation in the upper thoracic spine
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 5:527-33. 2006
    ..The authors describe the technique of translaminar screw placement in the T-1 and T-2 vertebrae...
  2. doi request reprint Adjacent-level range of motion and intradiscal pressure after posterior cervical decompression and fixation: an in vitro human cadaveric model
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Spine (Phila Pa 1976) 37:E778-85. 2012
    ..This in vitro human cadaveric study measured adjacent-level kinematics after posterior cervical decompression and fixation...
  3. doi request reprint The effect of spinal instrumentation on kinematics at the cervicothoracic junction: emphasis on soft-tissue response in an in vitro human cadaveric model
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, 600 North Wolfe Street, Meyer 8 161, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 13:435-42. 2010
    ..The goal of this study was to determine the role of ligamentous and facet capsule (FC) structures at the CTJ as they relate to stability above thoracic pedicle screw constructs...
  4. doi request reprint A computed tomography-based feasibility study of translaminar screw fixation in the upper thoracic spine
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 12:286-92. 2010
    ....
  5. doi request reprint A computed tomography-based morphometric study of thoracic pedicle anatomy in a random United States trauma population
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 14:235-43. 2011
    ..The role of patient sex and side of screw placement were also assessed. The authors postulated that this information would be of value in guiding safe implant size and placement for surgeons in training...
  6. doi request reprint Surgical management of two- versus three-column injuries of the cervicothoracic junction: biomechanical comparison of translaminar screw and pedicle screw fixation using a cadaveric model
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Spine (Phila Pa 1976) 35:E948-54. 2010
    ..An in vitro cadaveric biomechanical study...
  7. doi request reprint The rib head as a landmark in the anterolateral approach to the thoracic spine: a computed tomography-based morphometric study
    Kyriakos Papadimitriou
    Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    J Neurosurg Spine 18:484-9. 2013
    ..The goal of this work is to quantify the relationship of the rib head to the spinal canal and adjacent aorta at each thoracic level using CT-based morphometric measurements...
  8. doi request reprint A computed tomography-based feasibility study of translaminar screw placement in the pediatric thoracic spine
    Camilo Molina
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Neurosurg Pediatr 9:27-34. 2012
    ..The goal of this study was to report the anatomical feasibility of TLS placement in the thoracic spine of pediatric patients...
  9. doi request reprint Thromboembolic events and spinal surgery
    Kyriakos Papadimitriou
    The Johns Hopkins School of Medicine, The Johns Hopkins Hospital, Department of Neurosurgery, 550 North Broadway Street, Baltimore, MD 21231, USA
    J Clin Neurosci 19:1617-21. 2012
    ..Inferior vena cava filters may be a safe and effective method to prevent thromboembolic episodes in this patient cohort when chemoprophylaxis and mechanical compression is contraindicated...
  10. doi request reprint Comparative In Vitro Biomechanical Analysis of a Novel Posterior Cervical Fixation Technique Versus Conventional Posterior-based Constructs
    Camilo Molina
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore The Orthopaedic Spinal Research Laboratory, St Joseph Medical Center, Towson, MD DePuy Spine, a Johnson and Johnson Company, Raynham, MA Bioengineering Department, University of Toledo, Toledo, OH
    J Spinal Disord Tech 27:40-7. 2014
    ..Comparative in vitro, cadaveric biomechanical study...
  11. doi request reprint Laminar screw fixation of the axis
    Daniel M Sciubba
    Department of Neurosurgery, Johns Hopkins School of Medicine, Baltimore, Maryland 21287, USA
    J Neurosurg Spine 8:327-34. 2008
    ..To elucidate the clinical impact of such screws, the authors report their experience in placing C-2 laminar screws in adult patients over a 2-year period, with emphasis on clinical outcome and technical placement...
  12. doi request reprint Strategies to avoid wrong-site surgery during spinal procedures
    Wesley Hsu
    Department of Neurosurgery, Wake Forest Baptist Medical Center, Winston Salem, North Carolina 27157 1029, USA
    Neurosurg Focus 31:E5. 2011
    ..The following review discusses important issues that can help prevent WSS during spinal procedures...
  13. doi request reprint Ultrasonic BoneScalpel for osteoplastic laminoplasty in the resection of intradural spinal pathology: case series and technical note
    Scott L Parker
    Department of Neurosurgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
    Neurosurgery 73:ons61-6. 2013
    ..Osteoplastic laminoplasty is a well-described technique that may decrease the incidence of progressive kyphosis when used in the setting of intradural spinal cord tumor resection...
  14. doi request reprint Primary intramedullary spinal germ cell tumors
    Vivek A Mehta
    Department of Neurosurgery, The Johns Hopkins Hospital, Baltimore, Maryland, USA
    World Neurosurg 76:478.e1-6. 2011
    ..Intramedullary spinal germ cell tumors are rare lesions, with germinomas being the most common variant...
  15. doi request reprint Bilateral traumatic dislocation without fracture of the lumbosacral junction: case report and review of the literature
    Risheng Xu
    Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    Spine (Phila Pa 1976) 36:E662-8. 2011
    ..Case report...
  16. ncbi request reprint Dorcas Hager Padget: neuroembryologist and neurosurgical illustrator trained at Johns Hopkins
    Ryan M Kretzer
    Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    J Neurosurg 100:719-30. 2004
    ..The authors describe Dorcas Hager Padget's contributions to neurosurgical illustration and neuroembryology, as well as her remarkable career...