Predictive value of preoperative gluteus and iliacus muscle volumes for patient-reported outcomes following total hip replacement: a three-dimensional volumetric analysis

Authors
Dae-Woong Ham, Gil Won Choi, Yi Sack Yoo and Chul-Ho KimDae-Woong Ham, Gil Won Choi, Yi Sack Yoo and Chul-Ho Kim
Journal
HIP International
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Date Published
2024.12
Summary

This study analyzed the correlation between preoperative gluteus and iliacus muscle volumes and patient-reported outcomes (PROs) following total hip arthroplasty (THA). Researchers examined 85 patients who underwent THA for hip osteoarthritis or femoral head osteonecrosis between 2020 and 2021. Using a 3D modeling program, they measured the volumes of the gluteus and iliacus muscles. The results showed that preoperative gluteus maximus volume was significantly associated with modified Harris Hip Score (mHHS) and UCLA activity scores at 12 months postoperatively (GmaxV: p=0.026, GmaxI: p=0.005). Among bilateral measurements, the gluteus medius (Gmed) volume was correlated with UCLA scores (GmedV: p=0.023, GmedI: p=0.043). Aview Modeler was used to reconstruct and measure muscle volumes from CT images. The study highlights the predictive value of gluteus muscle volume for postoperative outcomes in THA patients and suggests further research is needed.

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