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Orthopedics. 2011 Aug 8;34(8):e334-7. doi: 10.3928/01477447-20110627-07.

Long-term results of an unloader brace in patients with unicompartmental knee osteoarthritis.

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1
HipKnee Arkansas Foundation, Little Rock, Arkansas 72205, USA.

Abstract

Previously, we reported a prospective study of 30 patients with unicompartmental osteoarthritis of the knee treated nonoperatively with an unloader brace and average follow-up of 2.7 years. Although the initial study suggested short-term benefit according to pain and function measures, the objective of the current study was to evaluate these same patients via telephone questionnaire to determine the status of their brace use and any surgical procedures on the affected limb. Because we noted that even at 2.7 years, some patients opted for surgical management despite good response to bracing, our hypothesis was that these patients would not opt for long-term brace wear. Twenty-four of 30 patients were available for reporting based on telephone interview; in addition, we talked with family members of 5 patients who had died. When evaluated at 2.7 years, 41% of the 30 patients were still using the brace, 35% had discontinued brace use, and 24% had undergone arthroplasty. When contacted for the follow-up survey at an average of 11.2 years, 17 (58.6%) of the 29 patients had undergone arthroplasty. The mean interval between initial evaluation and arthroplasty was 3.9 years. In addition, 7 patients had undergone arthroscopic surgery. Importantly, none of the patients were still wearing the brace. The use of an unloader brace is effective in providing short-term pain relief and improved function; however, most patients subsequently opt for total knee replacement on the symptomatic knee.

PMID:
21815572
DOI:
10.3928/01477447-20110627-07
[Indexed for MEDLINE]
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