PMID: 24350520Dec 20, 2013Paper

Effect of shape and severity of vertebral fractures on the outcomes of kyphoplasty

Acta orthopaedica Belgica
Ling De KongZi Kun Shang

Abstract

The aim of this retrospective study was to evaluate the effect of shape and severity of osteoporotic vertebral fractures on the clinical and surgical outcomes of kyphoplasty. Ninety-four patients with single level vertebral fractures were enrolled. Fractures were divided into two types according to the shape of the fractured vertebrae: wedge type (n = 54) or biconcave type (n = 40). All fractures were further classified into 3 grades (grade 1-3) according to their severity. The Visual Analog Score for back pain improved significantly in the "wedge" and in the "biconcave" group: there was no significant difference between groups. Wedge type fractures had a significantly greater correction of anterior vertebral height and kyphotic angle than biconcave type fractures (p < 0.01). Biconcave type fractures had a significantly greater correction of the middle vertebral height (p < 0.01), but had a higher risk of intradiscal cement leakage (p = 0.03). Rates of cement leakage in grade 1, grade 2, and grade 3 fractures were 12.8%, 25.8%, and 50.0%, respectively : there was a gradually higher risk of cement leakage as the severity of compression increased (p < 0.01). assessing the shape and severity of fractured osteoporotic vertebrae giv...Continue Reading

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