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  • Title: Avascular necrosis following closed reduction of congenital dislocation of the hip. Review of influencing factors and long-term follow-up.
    Author: Brougham DI, Broughton NS, Cole WG, Menelaus MB.
    Journal: J Bone Joint Surg Br; 1990 Jul; 72(4):557-62. PubMed ID: 2380203.
    Abstract:
    We studied the pathogenesis, incidence and consequences of avascular necrosis in 184 children treated for congenital dislocation of the hip. Of 210 hips, 99 (47%) had some evidence of avascular necrosis (total 81, partial 18). The incidence was not influenced by the age at reduction, the duration of traction or the use of adductor tenotomy. Patients treated by closed reduction without preliminary traction did not have a higher incidence of avascular necrosis. At long-term clinical and radiological review of 81 hips, early avascular necrosis significantly increased the chance of a poor outcome but did not predispose to acetabular dysplasia. If review includes minor forms of avascular necrosis, then this condition is common after closed reduction. Its presence is an important determinant of long-term radiological and clinical outcome.
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