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KMID : 0386720090210030238
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Journal of the Korean Hip Society
2009 Volume.21 No. 3 p.238 ~ p.244
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The Long Term Results of Femoral Varus Osteotomy in Patients with Legg-Calve-Perthes Disease
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Wie Jin-Sang
Rowe Sung-Man
Jung El-O
Lim Young Jin
Jung Myung-Guk
Song Ji-Hun
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Abstract
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Purpose: The purpose of this study was to evaluate the long term results of performing femoral varus osteotomy (FVO) for the treatment of Legg-Calve-Perthes disease (LCPD).
Materials and Methods: We selected 35 LCPD patients who received FVO and they were followed up to the time their skeletons’ matured. The inclusion criteria were patients in a fragmentation stage, the patients were in Catterall group Ⅲ or Ⅳ, and the patients underwent a teleoroentgenographic examination at the time of full skeletal maturity.
Results: The radiological outcome at the time of skeletal maturity was assessed using Stulberg’s classification. The final results were 4 hips in class I, 17 hips in class II, 13 hips in class III, one hip in class IV and none in class V. The satisfactory results (good+fair hips) were 34 hips (97%). Significant shortening (>10 mm) was observed in 12 hips (34%). In 35 patients, 5 (14%) had same leg length (less than 2 mm difference), 27 (77%) had shortening of 2 mm or more, and 3 had lengthening of 2 mm or more in the operated limb. Of these 12 patients with significant shortening, only 3 patients (9%) showed shortening of 21 mm or more.
Conclusion: FVO is a reliable method for managing LCPD in patients who are in Catterall group III or IV and who are in the fragmentation stage of disease.
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KEYWORD
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Legg-Calve-Perthes disease, Femoral varus osteotomy
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