Assessment of hip abductors by MRI after total hip arthroplasty and effect of fatty atrophy on functional outcome

Acta orthopaedica et traumatologica turcica
Emrah KovalakAbdullah Obut

Abstract

The aim of this study was to evaluate how fatty atrophy (FA) of the hip abductors in operated and non-operated hips affected the functional outcome following arthroplasty. Forty-four hips of 22 patients (8 males and 14 females; mean age: 60 ± 14.4 (range: 24-84)) who matched the inclusion criteria and willing to participate in the study were retrospectively evaluated. The mean follow-up was 13.8 ± 2.3 (range: 10-18) months Magnetic resonance imaging (MRI) and Harris Hip Score (HHS) were used to evaluate muscle degeneration and functional outcome after unilateral THA through a posterolateral approach. The FA grade was evaluated using Goutallier grading system. Non-operated hips of subjects were used as the control. Age, duration after the operation, gluteal muscle FA, and the relationships with HHS were evaluated. FA was more evident in the operated hip (p < 0.05), and was more in the gluteus minimus than in the gluteus medius in both hips (p < 0.05). Patients' age was not correlated with gluteal muscle FA in the operated hip (p > 0.05), whereas there was a positive correlation with the contra-lateral hip (p < 0.05). Duration after surgery did not affect gluteal muscle FA in the operated hip. Older age and FA of either the opera...Continue Reading

References

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Citations

Mar 8, 2019·Journal of Cachexia, Sarcopenia and Muscle·Taimoor H QaziTobias Winkler
Sep 24, 2019·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Maria Grazia BenedettiFulvia Taddei
Feb 5, 2021·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Yuhei NakayamaMasaaki Mawatari
Oct 25, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Martin CailleaudStéphane Van Driessche
Aug 10, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Kristen KochMarcie Harris-Hayes

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