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eISSN: 1643-3750

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Hip Resurfacing Arthroplasty in Treatment of Avascular Necrosis of the Femoral Head

Michał Pyda, Bogdan Koczy, Wojciech Widuchowski, Małgorzata Widuchowska, Tomasz Stołtny, Michał Mielnik, Jacek Hermanson

(Department of Trauma and Orthopaedics, District Trauma and Orthopaedic Hospital, Piekary Śląskie, Poland)

Med Sci Monit 2015; 21:304-309

DOI: 10.12659/MSM.891031


Background: Hip resurfacing is a conservative type of total hip arthroplasty but its use is controversial, especially in patients with osteonecrosis. The aim of this study was analysis of the clinical and radiographic outcomes of hip resurfacing in patients with osteonecrosis.
Material and Methods: Between 2007 and 2008, 30 hip resurfacing arthroplasties were performed due to osteoarthritis secondary to avascular necrosis of femoral head staged as Ficat III and IV.
Patients were qualified to resurfacing arthroplasty when the extent of avascular necrosis using Kerboul’s method was <200° and the angle between avascular necrosis and head-neck junction was >20°. All patients were evaluated clinically and radiologically before and 60 months after the operation.
Results: The mean Harris Hip Score (HHS) score increased from 47.8 to 94.25 (p<0.05). Physical activity level (University of California, Los Angeles activity score – UCLA activity score) improved from 3.7 to 7.55 (p<0.05). No implant migration was observed.
Conclusions: Management of osteonecrosis of the hip with resurfacing arthroplasty seems to be effective in strictly-selected patients.

This paper has been published under Creative Common Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) allowing to download articles and share them with others as long as they credit the authors and the publisher, but without permission to change them in any way or use them commercially.
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