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Ipsilateral pedicle screw placement with contralateral percutaneous facet screws: Early results with an alternative in lumbar arthrodesis

Authors Rhiew R, Manjila S, Lozen A, Hong D, Guthikonda M, Rengachary SS

Published 10 March 2009 Volume 2009:2 Pages 1—4


Review by Single anonymous peer review

Peer reviewer comments 3

Richard B Rhiew, Sunil Manjila, Andrew M Lozen, David Hong, Murali Guthikonda, S S Rengachary

Department of Neurosurgery, Wayne State University, Detroit, MI, USA

Abstract: Transforaminal lumbar interbody fusion (TLIF) is a widely used method of surgical treatment for a variety of lumbar spinal disorders. Bilateral transpedicular instrumentation is routinely used in conjunction with an interbody graft to provide additional stability. In this technical note, we describe our fusion construct using ipsilateral pedicle screw placement on the side of TLIF and contralateral facet screw placement. We performed this construct at six levels in four patients. Suggested advantages include: low morbidity, small incision and lower cost. Outcomes parameters included radiographic evidence of solid union at four months and improvement in Oswestry Disability Index. A mean improvement from a preoperative score of 73 to 26 after surgery was observed at one-year follow-up. There were no instrument-related complications. In conclusion, this hybrid screw system minimizes contralateral dissection and is an attractive alternative to standard bilateral pedicle screw fixation.

Keywords: TLIF, facet screw, pedicle screw, lumbar spine fusion

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