Osteotomía rotacional acetabular para displasia de cadera. (Inglés)

Osteotomía rotacional acetabular para displasia de cadera. Seguimiento de 65 caderas durante 8 a 15 años.

Yasunaga Y, Ochi M, Shimogaki K, Yamamoto S, Iwamori H.

Department of Orthopaedic Surgery, Hiroshima University School of Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan. yasuyuji@hiroshima-u.ac.jp

We operated on 54 patients (61 joints) with rotational acetabular osteotomy (RAO) due to dysplasia of the hip with pre- or early-stage osteoarthritis/arthrosis. The mean follow-up was 11 (8-15) years. The Merle d’Aubigne median score increased from 14 to 15. In 2 patients (2 joints), the score decreased from 15 to 13. Progression of arthrosis was seen in 6 joints on the radiographs at follow-up. Kaplan-Meier survivorship analysis predicted an 89% (95% confidence interval 80-99) prevention of worsening of arthrosis at 10 years. Postoperative joint congruency was a risk factor for progression of arthrosis.

Acta Orthop Scand. 2004 Feb;75(1):10-5.

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