Shelf acetabuloplasty for Perthes' disease: 12-year follow-up.
SourceActa Orthopaedica Belgica, 67, 2, (2001), pp. 126--31
Article / Letter to editor
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Acta Orthopaedica Belgica
SubjectBloodpressure regulation, tissue oxygenation and exercise; Bloeddrukregulatie, weefseloxygenatie en inspanning
The goal of all therapies for Perthes' disease is to achieve an optimal shape of the acetabulum and an optimal coverage of the femoral head. Thirty patients who were included in this follow-up study (mean follow-up 12 years) underwent a shelf acetabuloplasty for Catterall group III or IV. The mean IOWA hip score at follow-up was 96 (max. 100 points, range 74-100). The mean acetabular-head quotient increased from 82.9% pre-operatively to 107.9% postoperatively, and remained 102.4% at follow-up. There was a decrease in mean lateral subluxation ratio from 1.44 pre-operatively to 1.27 postoperatively, which remained 1.23 at follow-up. According to the Stulberg classification in the 18 adult hips, 6 hips had a good result (Stulberg 1 or 2), 10 hips had a fair result (Stulberg 3), and 2 hips had a poor result (Stulberg 4 or 5). These results appear to be better than the natural history as described by Stulberg. Shelf acetabuloplasty can be considered as an appropriate surgical treatment for severe cases of Perthes' disease.
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