EP1.42 Comparable Outcomes in Male and Female PatientsUndergoing Periacetabular Osteotomy

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ID: 331059
2026
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Abstract
Abstract Purpose Developmental dysplasia of the hip (DDH) is known to be more prevalent in females. Periacetabular osteotomy (PAO) is an established treatment for DDH and is generally associated with favorable outcomes in dysplastic hips. However, knowledge regarding sex-related differences in patient-reported outcomes is limited, and the literature suggests that outcomes may be poorer in males. The aim of this study was to evaluate the short-term outcomes of PAO in male versus female hips. Methods A prospective PAO registry was utilized for conduction of the study. A total of 282 hips (44 male, 238 female) undergoing PAO between 2022 and 2024 were included. Radiographic measures and patient-reported outcome measures (PROMs), including the University of California, Los Angeles activity scale (UCLA), Hip Disability and Osteoarthritis Outcome Score – Physical Function Shortform (HOOS-PS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), International Hip Outcome Tool-12 (iHOT-12), Harris Hip Score (HHS), modified Harris Hip Score (mHHS), German Forgotten Joint Score (G-FJS) and Postel-Merle d’Aubigné (PMA) score, were assessed preoperatively and at final follow-up and compared between male and female patients. Results Preoperatively, male patients had higher BMI (27.07 vs 25.01, p=0.019), greater anterior (Anterior wall coverage (AC) 48.09 vs 41.28, p=0.008) but lower posterior acetabular coverage (Posterior wall coverage (PC) 78.21 vs 85.77, p=0.010) and showed a higher frequency of concomitant simultaneous procedures (54.5% vs 18.5%, p<0.001). Both sexes showed significant improvements in most PROMs at follow-up. The degree of improvement did not differ significantly between male and female patients. Likewise, achievement rates of PASS and MCID for mHHS and iHOT-12 were comparable between sexes. Conclusion Male and female patients with DDH showed comparable preoperative symptoms and experienced similar improvements in PROMs following PAO. Sex did not significantly influence short-term outcomes, indicating that both men and women benefit equally from PAO.
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Authors med Chiara Heller, med Sufian S Ahmad, med Marco Haertlé, Quentin Karisch, Justus Stamp
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.226
URL
https://doi.org/10.1093/jhps/hnag043.226
Keywords Keywords not found

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