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Clin Orthop Relat Res. 1992 Aug;(281):115-22.

Slipped capital femoral epiphysis. The case for internal fixation in situ.

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1
Department of Orthopaedic Surgery, Children's Hospital of Michigan, Detroit.

Abstract

The traditional method of treating slipped capital femoral epiphysis by in situ pinning is being challenged. The complication of chondrolysis has been correlated with unrecognized pin penetration into the hip joint. Several studies have shown that black children may be more susceptible to developing chondrolysis. Fifty-five children (89% black) with 80 slipped epiphyses agreed to return for evaluation by the authors at an average of 3.3 years after in situ pinning. The results were classified according to clinical and roentgenographic parameters. The results were excellent or good in 56 (70%) of the 80 slips. Excellent or good results were found in 86% of mild slips, 55% of moderate, and 27% of severe. The complication of chondrolysis developed in three slips (4%) and avascular necrosis in two (3%). Poor pin position could be correlated with the complication in one of the three patients who developed chondrolysis and in both who developed avascular necrosis. Poor pin position was also associated with 12 (60%) of the 20 poor results. The majority of pin problems were secondary to technical problems associated with attempting in situ pinning from the lateral approach. In this study, black children were not more susceptible to chondrolysis than nonblack children.

PMID:
1499197
[Indexed for MEDLINE]

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