[Results of osteotomies in the management of valgus gonarthrosis].

Authors report on the result of correction osteotomies in 31 cases of gonarthrosis, developed in consequence of valgus deformity. In 12 cases high tibial osteotomy, in 19 supracondylar femoral osteotomy were performed. The result was excellent in 15, good in 10 and poor in 6 patients. Decisive factors of the favourable result were partly the correction of the femorotibial valgus to around the physiological values, partly the horizontalization of the articular surface. In overcorrection the results deteriorate. The medial tilt of the tibial articular surface leads to the progression of the arthrosis. Supracondylar femoral osteotomy was found especially successful in the treatment of valgus gonarthrosis. High tibial osteotomy is suggested only in selective cases.