Zeitschrift fur Orthopadie und Unfallchirurgie · 2026
Clinical Long-term Outcomes after Modified Pemberton Acetabuloplasty for Developmental Dysplasia of the Hip: a 25-Year Follow-up.
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Sampatakakis Pavlos, Lüring Christian
Аннотация
BACKGROUND: Developmental dysplasia of the hip (DDH) is among the most common congenital musculoskeletal disorders and may lead to early hip osteoarthritis if left untreated. Modified Pemberton acetabuloplasty is an established, growth-preserving osteotomy technique for surgical correction in childhood. However, robust clinical long-term outcomes with follow-up periods exceeding two decades have not yet been published. The aim of this study was to retrospectively evaluate functional and patient-reported outcomes after an average follow-up of 25.6 years.
METHODS: In this monocentric retrospective cohort study, 63 patients (92 hips) were included from an original cohort of 331 patients with 507 operated hips who had undergone modified Pemberton acetabuloplasty between 1990 and 1995. In 2018, clinical follow-up was performed in 54 patients; all participants completed standardised questionnaires, including the Harris Hip Score (HHS), WOMAC, and EQ-5D. Data analysis was descriptive.
RESULTS: The mean follow-up period was 25.6 years. The average HHS was 95.8 points, the mean WOMAC index 7.2 points, and the EQ-5D-VAS 89.3/100. A total of 81% of patients were free of symptoms, and 83.3% achieved excellent functional results. Overall, 96.8% rated the surgical outcome as good or very good, and 92% would choose to undergo the procedure again. No patient required total hip arthroplasty. No major postoperative complications occurred.
CONCLUSION: Modified Pemberton acetabuloplasty demonstrates stable functional outcomes, low symptom levels, and high health-related quality of life more than 25 years after surgery. The very high patient satisfaction and the absence of secondary procedures underscore the long-term clinical effectiveness of this growth-preserving technique.
METHODS: In this monocentric retrospective cohort study, 63 patients (92 hips) were included from an original cohort of 331 patients with 507 operated hips who had undergone modified Pemberton acetabuloplasty between 1990 and 1995. In 2018, clinical follow-up was performed in 54 patients; all participants completed standardised questionnaires, including the Harris Hip Score (HHS), WOMAC, and EQ-5D. Data analysis was descriptive.
RESULTS: The mean follow-up period was 25.6 years. The average HHS was 95.8 points, the mean WOMAC index 7.2 points, and the EQ-5D-VAS 89.3/100. A total of 81% of patients were free of symptoms, and 83.3% achieved excellent functional results. Overall, 96.8% rated the surgical outcome as good or very good, and 92% would choose to undergo the procedure again. No patient required total hip arthroplasty. No major postoperative complications occurred.
CONCLUSION: Modified Pemberton acetabuloplasty demonstrates stable functional outcomes, low symptom levels, and high health-related quality of life more than 25 years after surgery. The very high patient satisfaction and the absence of secondary procedures underscore the long-term clinical effectiveness of this growth-preserving technique.