Tuesday, March 12, 2013

The Results of Metal-On-Metal Hip Resurfacing in Patients Under 30 Years of Age.




    2013 Feb 20. pii: S0883-5403(13)00020-X. doi: 10.1016/j.arth.2012.07.043. [Epub ahead of print]

     

    Source

    Children's Hospital Los Angeles, Los Angeles, California.

    Abstract

    Degenerative hip conditions most commonly affect older patients. However, many cases occur in younger patients. Total hip arthroplasty is the conventional approach; however, hip resurfacing is a viable option. Fifty-three metal-on-metal resurfacings in 46 patients under age 30 were performed. Patients had a variety of etiologies, and were followed clinically and radiographically with mean follow-up of 98.2months. Clinical scores and x-rays were compared pre-operatively and post-operatively. The last follow-up SF-12 and UCLA scores significantly improved post-operatively (P<0.0001). Range of motion scores also improved (P<0.001), and the mean Harris Hip Score was 88. There were 6 revisions. The Kaplan-Meier survivorship estimate at 8years was 95%. Metal-on-metal hip resurfacing appears to be an effective procedure for younger patients. Longer-term data are needed for confirmation.

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