Combined Osteotomy in Patients with Severe Legg-Calve-Perthes Disease
Perajit Eamsobhana MD* Kamolporn Kaewpornsawan MD*
Affiliation : * Department of Orthopaedics Surgery, Faculty of Medicine, Siriraj Hospital, Bangkok, Thailand
Objective : The purpose of the present study was to describe the clinical and radiographic results obtained with the combined
osteotomy in patients with severe Legg-Calve-Perthes disease.
Material and Method: During 2000 to 2010 patients with Legg-Calve-Perthes disease who intervened with combined
osteotomy at Siriraj Hospital were evaluated. Clinical evaluation was categorized by Ratliff classification and radiographic
evaluation was performed by Moss index, Lloyd Roberts classification and Stulberg classification.
Results : Twenty patients intervened with combined osteotomy. There were nineteen males and one female with a mean age of
7.7 years. The average follow-up was 49 months. Nine had a Catterall III and eleven had a Catterall IV. According to Herring
classification, fourteen patients were Herring B and six were Herring C. In accordance with the Ratliff classification, the
postoperative clinical results: fifteen good, three fair and two poor. According to Mose scale, eight patients had good results,
nine had fair results and three had poor results. According to the Lloyd-Roberts classification eight patients had good results,
nine had fair results and three had poor results. Based on the Stulberg classification, there were ten patients in class II, nine
in class III and one in class V.
Conclusion : The surgical treatment for severe Perthes disease with the best expected outcome is still a challenge. According
to the results reported here, the combined osteotomy is safe and effective procedure for patients with severe Perthes disease
in whom the femoral head cannot be contained by conventional forms of treatment.
Keywords : Legg-Calve-Perthes disease, Combined osteotomy, Double osteotomy
