Total Hip Arthroplasty in Cerebral Palsy: Long-Term Follow-Up Results

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Patients with cerebral palsy frequently develop coxarthrosis after acquired hip dislocation or dysplasia. Nineteen total hip arthroplasties (THA) were performed in 18 patients with cerebral palsy and end-stage hip degeneration. The average age at arthroplasty was 30 years (range, 16–52 years). AH components were cemented, and four hips required bone graft augmentation of the deficient acetabulum. Spica casts were used in 16 of 18 patients to minimize the incidence of dislocation and trochanteric nonunion. The average follow-up time was ten years (range, three to 17 years). Seventeen of 18 patients (94%) had pain relief and improved function after arthroplasty. One stem loosened at three years, and one acetabular component loosened at 15 years. One stem and one acetabular component were revised for malposition. Survivorship analysis was 95% at ten years for loosening and 86% with removal for any reason. Total hip arthroplasty can provide long-term relief and improved function in cerebral palsy patients with severe coxarthrosis.

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