Slipped capital femoral epiphysis: reduction as a risk factor for avascular necrosis.

J Pediatr Orthop B

Department of Orthopaedics and Traumatology, Pediatrics Division, Faculty of Medical Sciences, Santa Casa de Misericórdia de São Paulo (SCMSP), São Paulo, SP, Brazil.

Published: July 2012

Complication rates after the treatment of slipped capital femoral epiphysis (SCFE) were retrospectively evaluated to identify possible risk factors. Twenty-six patients with SCFE underwent reduction and fixation with a single screw or multiple wires. The prevalence of avascular necrosis (AVN) of the hip or chondrolysis was 14.8 and 3.6%, respectively. The degree of SCFE (P=0.050) and reduction before the seventh day after the slip (P=0.028) were associated with AVN. The risk factors for AVN were found to be a higher grade of SCFE correction and reduction between the second and the seventh day after SCFE.

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http://dx.doi.org/10.1097/BPB.0b013e32835368a7DOI Listing

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