A comparative study of ambulation-abduction bracing and varus derotation osteotomy in the treatment of severe Legg-Calvé-Perthes disease in children over 6 years of age.

Thirty-six patients with severe Legg-Calvé-Perthes disease were reviewed retrospectively to compare the results of ambulation-abduction bracing with varus derotation osteotomy. There were 17 brace patients and 19 osteotomy patients, and all were aged greater than 6.9 years.