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Background: When compared to total hip arthroplasty (THA), hip resurfacing arthroplasty (HRA) is usually undertaken in younger, more active patients with hip osteoarthritis. Previous research has noted that patients are able to return to pre-operative activity levels, with many even increasing their activity post HRA, but patterns in post-operative recovery have been less well investigated. Materials and Methodology: A randomised controlled trial dataset was analysed to explore activity levels attained after HRA. Data was collected on 80 male patients. The primary outcome of focus was the University of California, Los Angeles (UCLA) Activity Index, with follow-up at 6 weeks, 16 weeks and 1 year. Results: Mean UCLA at baseline was 5.4 (SD; 2.1) which, after an initial fall to 4.7 (SD; 1.6, p = 0.008) at 6 weeks, increased at both the 16 week and 1 year follow ups (p < 0.001), with a final mean activity index of 7.2 (SD; 1.7). Mode UCLA at 1 year was 7 or 8, representing patients who are regularly taking part in activities such as cycling and golf. Conclusion: Following HRA, patients can achieve significant improvements in activity measured using the UCLA Activity Index. Activity levels have been shown to initially decrease following HRA, with improvement throughout the first postoperative year. The results of this study provide clinicians with a simple tool to help patients visualise their post-operative recovery. This may have implications when managing patient expectations of post-operative activity level in both HRA and large head THA populations.

Original publication

DOI

10.1016/j.jor.2018.05.005

Type

Journal article

Journal

J orthop

Publication Date

06/2018

Volume

15

Pages

658 - 662

Keywords

Arthroplasty, Hip resurfacing, Leisure activities, Physiotherapy, Rehabilitation, Sports