Efficacy and safety of thread embedding acupuncture for knee osteoarthritis: A randomized controlled pilot trial
MEDICINE(2022)
摘要
Background: Thread embedding acupuncture (TEA) is a widely used clinical procedure for the treatment of musculoskeletal pain. However, few clinical studies have been conducted on the efficacy and safety of TEA for knee osteoarthritis (KOA), and data from randomized controlled trials are lacking. This randomized controlled pilot study aimed to assess the feasibility of conducting large-scale studies on the efficacy and safety of TEA for KOA. Methods: Forty participants were included in the study and randomly divided into 2 groups (TEA and acupuncture) of 20 each. The intervention period was 6 weeks. The experimental group received TEA once a week (total of 6 sessions) on 14 defined knee areas, and the control group received acupuncture twice a week (total of 12 sessions) on 9 defined acupuncture points. The primary outcome measure was the visual analogue scale score, and the secondary outcome measures were the short-form McGill pain questionnaire, and Western Ontario and McMaster Universities Osteoarthritis Index scores. Participants were assessed prior to the intervention (baseline) and at 3, 6, and 10 weeks (4 weeks after the end of intervention). The adverse effects of TEA and acupuncture were documented. Hematological examination and biochemical tests were performed at the screening and at 6 weeks. Results: Of the 40 participants, 37 completed the study and 3 participants dropped out. Both the TEA and acupuncture groups showed a significant improvement in the visual analogue scale, short-form McGill Pain Questionnaire, and Western Ontario and McMaster Universities Osteoarthritis Index scores in a time-dependent manner. However, there was no significant interaction between group and time. No serious adverse events were reported in the groups, and no clinically significant changes were observed in the hematological and biochemical parameters. Conclusion: This pilot study suggests that TEA is a safe and effective procedure for relieving pain in patients with KOA. The results of this study provide basic data and indicate the feasibility of large-scale clinical studies to evaluate the efficacy and safety of TEA for KOA.
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关键词
acupuncture, knee osteoarthritis, thread-embedding acupuncture
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