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Multiple vertebral osteotomies in the treatment of rigid adult spine deformities.

Abstract：

STUDY DESIGN:Retrospective review of the clinical and radiographic results in adult revision spine deformity surgery using the techniques of osteotomies to effect spine balance and curve correction. OBJECTIVES:To assess the efficacy of multiple vertebral osteotomies in correction of rigid spine deformities in adult patients undergoing revision surgery. METHOD:The records and radiographs of 27 adult patients with idiopathic scoliosis who underwent revision surgery requiring anterior release (discectomy and/or osteotomy) and posterior osteotomy to correct rigid spinal deformities were retrospectively reviewed. RESULTS:All 27 patients were available for follow-up evaluation. Fifteen patients had anterior discectomies followed by posterior osteotomies, whereas 12 had anterior and posterior osteotomies in staged or sequential (same day) fashion. Diagnosis was idiopathic scoliosis for the index operation. At revision, the primary deformity was flatback deformity in 10 patients and pseudarthrosis with progressive deformity in 17 patients. Eleven patients had predominant sagittal decompensation, 11 patients had multiplanar decompensation, and five patients were balanced. The average number of osteotomies performed anteriorly was 4.3 levels (range, 1-8) and the average number of osteotomies posteriorly was 4.6 levels (range, 1-10). There were a total of nine complications in eight patients including three pseudarthroses (11%), five hardware failures (19%), and one transient neurologic deficit (4%). There were no deep wound infections, deep vein thromboses, pulmonary emboli, or deaths. The average scoliosis correction was 40% (range, 5-81%), whereas the average sagittal balance was corrected 6.5 cm (range, -5-29.5 cm), on average, and coronal balance was corrected 2.5 cm (range, 1-6 cm), on average. CONCLUSION:This study demonstrates multiple vertebral osteotomies (anterior and/or posterior) in the management of rigid adult spine deformities and deformity correction with an acceptable complication rate. Use of vertebral osteotomies for patients undergoing revision spine surgery is a safe and reasonable approach to obtain an arthrodesis.

journal_name

Spine (Phila Pa 1976)

journal_title

Spine

authors

Voos K,Boachie-Adjei O,Rawlins BA

doi

10.1097/00007632-200103010-00016

keywords:

subject

Has Abstract

pub_date

2001-03-01 00:00:00

pages

526-33

issue

eissn

0362-2436

issn

1528-1159

journal_volume

pub_type

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Multiple vertebral osteotomies in the treatment of rigid adult spine deformities.