Richard S Nachwalter

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STUDY DESIGN A randomized comparison of conventional and image-guided technology techniques for pedicle screw placement was performed. OBJECTIVE To evaluate the accuracy of thoracolumbosacral pedicle screw placement in simulated posterior fusion and nonfusion models via conventional and image-guided surgical techniques. SUMMARY OF BACKGROUND DATA(More)
STUDY DESIGN A prospective, consecutive case series. OBJECTIVES To determine the relation between spinal canal dimensions and Injury Severity Score and their association with neurologic sequelae after thoracolumbar junction burst fracture. SUMMARY OF BACKGROUND DATA There is a relation in the cervical spine between spinal canal dimension and its(More)
STUDY DESIGN In vitro comparison of three different screws for unicortical fixation in lateral masses of the cervical spine. OBJECTIVES To compare the axial load-to-failure of cervical lateral mass screws and their revision screws in a cadaveric model. SUMMARY OF BACKGROUND DATA Lateral mass screws are used for posterior fixation of the cervical spine.(More)
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