Clin Orthop Surg.  2013 Sep;5(3):225-229. 10.4055/cios.2013.5.3.225.

Lumbosacral Fixation Using the Diagonal S2 Screw for Long Fusion in Degenerative Lumbar Deformity: Technical Note Involving 13 Cases

Affiliations
  • 1Department of Orthopaedic Surgery, Hanyang University Guri Hospital, Hanyang University College of Medicine, Guri, Korea. hyparkys@hanyang.ac.kr

Abstract

Placing instrumentation into the ilium has been shown to increase the biomechanical stability and the fusion rates, but it has some disadvantages. The diagonal S2 screw technique is an attractive surgical procedure for degenerative lumbar deformity. Between 2008 and 2010, we carried out long fusion across the lumbosacral junction in 13 patients with a degenerative lumbar deformity using the diagonal S2 screws. In 12 of these 13 patients, the lumbosacral fusion was graded as solid fusion with obvious bridging bone (92%). One patient had a rod dislodge at one S2 screw and breakage of one S1 screw and underwent revision nine months postoperatively. So, we present alternative method of lumbopelvic fixation for long fusion in degenerative lumbar deformity using diagonal S2 screw instead of iliac screw.

Keyword

Long fusion; Diagonal S2 screw; Iliac screw; Degenerative lumbar deformity
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