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Effects of auricular acupuncture on chronic pain in people with back musculoskeletal disorders: a randomized clinical trial
de Castro Moura C, de Cassia Lopes Chaves E, Machado Chianca TC, Ruginsk SG, Alves Nogueira D, Hollanda Iunes D
Revista da Escola de Enfermagem da USP [Journal of Sao Paulo University School of Nursing] 2019 Jan 21;53:e03418
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: To evaluate the effects of auricular acupuncture on pain intensity, its impact on daily activities, the relief provided by the intervention, and the pain threshold in people with back musculoskeletal disorders. METHODS: Randomized clinical trial carried out with people randomly allocated into three groups: treatment, placebo, and control. Evaluations were performed using the Brief Pain Inventory and a digital algometer before (initial) and after (final) the treatment and after a 15-day follow-up period. RESULTS: The sample was 110 people. There was a decrease in pain intensity in the treatment and placebo groups as revealed by the comparison between the initial and final evaluations (p < 0.05), and in the treatment group in the comparison between the initial and follow-up evaluations (p < 0.05). A decreased impact of pain on daily activities in the treatment and placebo groups over time was found (p < 0.05). At the final evaluation, the impact of pain was lower in the treatment group (p < 0.05). Auricular acupuncture did not increase the pain threshold. CONCLUSION: Auricular acupuncture presented positive effects by reducing the chronic pain intensity and its impact on daily activities in people with back musculoskeletal disorders.

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