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July 4, 2006Annals of Internal Medicine

Acupuncture and Knee Osteoarthritis

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Authors

HSHanns‐Peter ScharfHeidelberg UniversityUMUlrich MansmannZimmer Biomet (Netherlands)KSKonrad StreitbergerUniversity of Bern

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Overview

Randomized trial demonstrates acupuncture and sham needling relieve knee osteoarthritis better than standard care, indicating benefits may stem from placebo effects.

Key Points

  • To assess the efficacy and safety of traditional Chinese acupuncture compared with sham acupuncture and conservative therapy for chronic knee osteoarthritis pain.
  • Randomized controlled trial conducted across 315 primary care practices with 1,007 patients suffering from chronic knee osteoarthritis pain for at least 6 months (Kellgren-Lawrence score 2 or 3).
  • Patients received baseline conservative care (up to 6 physiotherapy sessions and as-needed anti-inflammatory drugs) combined with 10 sessions of traditional Chinese acupuncture, 10 sessions of sham acupuncture, or 10 physician visits over 6 weeks.
  • Primary endpoint was treatment success rate at 26 weeks, defined as at least a 36% improvement in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score.
  • Success rates at 26 weeks were 53.1% for traditional Chinese acupuncture, 51.0% for sham acupuncture, and 29.1% for conservative therapy.
  • Traditional acupuncture was superior to conservative therapy (relative risk, 1.75 [95% CI, 1.43 to 2.13]), as was sham acupuncture (relative risk, 1.73 [95% CI, 1.42 to 2.11]).
  • No statistically significant difference in success rate occurred between traditional Chinese acupuncture and sham acupuncture (relative risk, 1.01 [95% CI, 0.87 to 1.17]).

Cite This Study

Scharf et al. (2006) studied this question.

synapsesocial.com/papers/6a6f8480fe4101aa97dfcf96https://doi.org/10.7326/0003-4819-145-1-200607040-00005
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