Sex Differences in Range of Motion After Eccentric Rotational Acetabular Osteotomy for Hip Dysplasia

Description

This presentation from the ISTA 2024 conference held in Nashville by Hiroto Kurahashi, a researcher at Nagoya University, presents findings on the range of motion following eccentric rotational periacetabular osteotomy (ERLO) in male patients with hip dysplasia. The study explores the morphological differences between male and female patients who underwent the surgical procedure between 2016 and 2023, highlighting that while males exhibit lower femoral neck anteversion, they also have higher alpha angles. Significant differences were noted in post-operative hip flexion and internal rotation, with males having reduced ranges compared to females. Through their methodology, including measurement of various femoral parameters and a simulation of the surgical procedure, the research identifies femoral neck anteversion as a key factor influencing range of motion. Conclusions emphasize the need for tailored surgical approaches to account for these anatomical differences in male patients to prevent complications stemming from hip impingement and restricted mobility.

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