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J Arthroplasty. 2010 Oct;25(7):1041-6. doi: 10.1016/j.arth.2009.07.023. Epub 2009 Sep 23.

Restoration of the center of rotation in revision total hip arthroplasty.

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Department of Orthopaedic Surgery, School of Medicine, Gyeong-Sang National University, Gyeong-Sang National University Hospital, Jinju, Korea.


We measured the change of the center of hip rotation after the revision of acetabular loosening using an acetabular reconstruction ring and an impaction allogenic bone grafting. Thirty-five revision total hip arthroplasties were performed. The average follow-up was 3.8 years. Horizontal distance was changed from 34.01±10 mm preoperatively to 41.07±6 mm at the latest follow-up. Vertical distance was changed from 32.06±9 mm preoperatively to 20.21±7 mm at the latest follow-up. The Harris hip score was improved from an average of 47 in the preoperative period to 86 at the final follow-up. The restoration of the anatomical hip center has shown to be favorable in terms of functional and radiologic evaluation in total hip revision.

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