Multilevel Schwab grade II osteotomies for sagittal plane correction in the management of adult spinal deformity

The Spine Journal : Official Journal of the North American Spine Society
George M GhobrialJoseph P Gjolaj

Abstract

Prior reports have compared posterior column osteotomies with pedicle subtraction osteotomies in terms of utility for correcting fixed sagittal imbalance in adolescent patients with deformity. No prior reports have described the use of multilevel Smith-Petersen Osteotomies (SPOs) alone for surgical correction in the adult spinal deformity (ASD) population. The study aimed to determine the utility of multilevel SPOs in the management of global sagittal imbalance in ASD patients. This is a retrospective observational study at a single academic center. The sample included 85 ASD patients. This is a radiographic outcomes cohort study. The radiographs of 85 ASD patients were retrospectively evaluated before and after long-segment (>5 spinal levels) fusion and multilevel SPO (≥3 levels) for sagittal imbalance correction. The number of osteotomies, correction in regional lumbar lordosis (LL), and correction per osteotomy was evaluated. Independent predictors of correction per SPO were evaluated with a hierarchical linear regression analysis. Eighty-five patients (mean age: 67.5±11 years) were identified with ASD (372 SPOs). The mean preoperative sagittal vertical axis (SVA) and T1 pelvic angle (TPA) were 8.16±6.75 cm and 25°±13.23°, r...Continue Reading

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Citations

Jul 6, 2020·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Panagiotis KorovessisAndreas Baikousis
Oct 28, 2019·Journal of Neurosurgery. Spine·Frank J YukYakov Gologorsky

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