CORRECTION OF CONGENITAL KYPHOSIS USING PEDICLE SUBTRACTION OSTEOTOMY
Journal Title: Journal of Turkish Spinal Surgery - Year 2006, Vol 17, Issue 3
Abstract
Summary: Seventeen patients with congenital kyphosis underwent correction using a pedicle subtraction osteotomy. Background: These were 11 females and 6 males. The mean age at the time of surgery was 18.4 years. Two patients presented with a neurological deficit. The preoperative kyphosis angle ranged 40°-122° (mean 78°). Twelve patients were type 1, 3 were type II, and 2 were type III. The operative technique involved creating a wedge in the apical body, the application of multilevel posterior instrumentation and the use of a cantilever correcting force. Methods: The mean correction angle was 57.4° that was well maintained into the latest follow up (33 -70 months). Three complications developed in 2 patients. One developed a partial neurological deficit 48 hours after surgery that completely recovered. Another developed an infection that required surgical debridement, only to return three months later with pull out of the proximal construct. This required revision surgery, with an uneventful postoperative course. Conclusion: Pedicle subtraction osteotomy is a useful technique in the correction of congenital kyphosis; with preservation of the anterior cortex of the wedge, the use of a long posterior instrumentation, and the application of a cantilever corrective force, excellent results are obtained with an acceptable rate of complications. This is achieved without the added morbidity of an additional anterior approach.
Authors and Affiliations
Hossam SALAH, Youssry ELHAWARY
Keywords
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