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The effect of minimally invasive posterior cervical approaches versus open anterior approaches on neck pain and disability
16 April 2012
Jeffrey A. Steinberg, John W. German
Abstract: Background: The choice of surgical approach to the cervical spine may have an influence on patient outcome, particularly with respect to future neck pain and disability. Some surgeons sugges...
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A novel radiographic targeting guide for percutaneous placement of transfacet screws in the cervical spine with limited fluoroscopy: A cadaveric feasibility study
05 April 2012
David M. Jackson, Jacqueline E. Karp, Joseph R. O'Brien, D. Greg Anderson, Daniel E. Gelb, Steven C. Ludwig
Abstract: Background: We describe a technique for percutaneous transfacet screw placement in the cervical spine without the need for lateral-view fluoroscopy. Methods: Previously established articular...
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Intraoperative 3-dimensional imaging (O-arm) for assessment of pedicle screw position: Does it prevent unacceptable screw placement?
05 April 2012
Jonathan N. Sembrano, David W. Polly, Charles Gerald T. Ledonio, Edward Rainier G. Santos
Abstract: Background: Pedicle screws are biomechanically superior over other spinal fixation devices. When improperly positioned, they lose this advantage and put adjacent structures at risk. Accurate...
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Physical capability outcomes after total disc replacement with ProDisc-L
01 April 2012
Humbert G. Sullivan, Robert L. Bobenmoyer, Kevin M. Boland, Molly M. Cerniglia, Vicki L. McHugh, Hayley L. Born, Michelle A. Mathiason, Nicholas R. Ladwig
Abstract: Background: Lumbar disc arthroplasty (total disc replacement [TDR]) outcomes have been evaluated using subjective, patient-reported measures of pain, health, and functional impairment. As a ...
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Conus medullaris syndrome after epidural steroid injection: Case report
29 March 2012
Ryan D. Tackla, Jeffrey T. Keller, Robert J. Ernst, Chad W. Farley, Robert J. Bohinski
Abstract: Background: Given the risk of paralysis associated with cervical transforaminal injection, is it time to reconsider transforaminal injections of the lumbar spine? Arguments for discontinuing...
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Biomechanics of a Fixed–Center of Rotation Cervical Intervertebral Disc Prosthesis
29 March 2012
Neil R. Crawford, Seungwon Baek, Anna G.U. Sawa, Sam Safavi-Abbasi, Volker K.H. Sonntag, Neil Duggal
Abstract: Background: Past in vitro experiments studying artificial discs have focused on range of motion. It is also important to understand how artificial discs affect other biomechanical parameters...
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Do presence and location of annular tear influence clinical outcome after lumbar total disc arthroplasty? A prospective 1-year follow-up study
29 March 2012
James J. Yue, Connor Telles, Thomas P. Schlösser, Shawn Hermenau, Ravi Ramachandran, William D. Long
Abstract: Background: Lumbar total disc arthroplasty is often performed in patients with axial back pain. There are multiple etiologies for axial back pain, including disc degeneration and annular tea...
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Pullout of a lumbar plate with varying screw lengths
29 March 2012
Daniel Kyle Palmer, David Rios, Wyzscx Merfil Patacxil, Paul A. Williams, Wayne K. Cheng, Serkan İnceoğlu
Abstract: Background: Screw length pertains to stability in various orthopedic fixation devices. There is little or no information on the relationship between plate pullout strength and screw length i...
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The importance of the anterior longitudinal ligament in lumbar disc arthroplasty: 36-Month follow-up experience in extreme lateral total disc replacement
29 March 2012
Luis Marchi, Leonardo Oliveira, Etevaldo Coutinho, Luiz Pimenta
Abstract: Background: Current total disc replacement (TDR) for lumbar spine requires an anterior approach for implantation but presents inherent limitations, including risks to the abdominal structure...
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Verification of pure moment testing in a multi–degree of freedom spine testing apparatus
29 March 2012
Amy M. Fuller, Jennifer M. Chui, Daniel J. Cook, Matthew S. Yeager, David A. Gladowski, Boyle C. Cheng
Abstract: Background: Pure moment testing is a common method used in cadaveric spine testing. The fundamental basis for the widespread acceptance of applying a pure moment is uniform loading along the...
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Clinical and radiographic outcomes of extreme lateral approach to interbody fusion with β-tricalcium phosphate and hydroxyapatite composite for lumbar degenerative conditions
27 March 2012
W. Blake Rodgers, Edward J. Gerber, Jody A. Rodgers
Abstract: Background: Historically, iliac crest bone graft has been used as the graft of choice for lumbar spine fusion procedures. Because fusion techniques have become less invasive, the demand for ...
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