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Therapeutics
Arthroscopic surgery was not effective for relieving pain or improving function in osteoarthritis of the knee

https://doi.org/10.1136/ebm.8.2.56

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    (2002) N Engl J Med 347, 81. Moseley JB, O’Malley K, Petersen NJ, et al.. A controlled trial of arthroscopic surgery for osteoarthritis of the knee.. ;. :. –8.
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 QUESTION: In patients with osteoarthritis of the knee, is arthroscopic surgery effective for relieving pain and improving function?

    Design

    Randomised (allocation concealed*), blinded (patients and outcome assessors),* placebo controlled trial with 2 years of follow up.

    Setting

    A Veterans Affairs medical centre in Houston, Texas, USA.

    Patients

    180 patients who were ≤75 years of age (mean age 52 y, 93% men), had osteoarthritis of the knee as defined by the American College of Rheumatology, reported at least moderate knee pain (scored ≥4 on a visual analogue scale of 0–10) despite maximal medical treatment for ≥6 months, and had not received arthroscopy in the previous 2 years. Exclusion criteria were severity grade ≥9 (maximum 12), severe deformity, or serious medical problems. Follow up was 89% at 1 year and 91% at 2 years.

    Intervention

    After stratification for severity of osteoarthritis, patients were allocated to 1 of 3 groups: lavage (n=61), …

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