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Randomized Controlled Trial
. 2021 Feb;32(2):325-334.
doi: 10.1007/s00192-020-04305-5. Epub 2020 Jul 7.

Electroacupuncture for balanced mixed urinary incontinence: secondary analysis of a randomized non-inferiority controlled trial

Jing Kang  1 , Yuanjie Sun  2 , Tongsheng Su  3 , Yan Liu  4 , Fengxia Liang  5 , Zhishun Liu  6
Affiliations
Randomized Controlled Trial

Electroacupuncture for balanced mixed urinary incontinence: secondary analysis of a randomized non-inferiority controlled trial

Jing Kang et al. Int Urogynecol J. 2021 Feb.

Abstract

Introduction and hypothesis: The aim was to investigate the effectiveness and safety of electroacupuncture (EA) in women with balanced mixed urinary incontinence (MUI) compared with PFMT plus solifenacin.

Methods: This is a secondary analysis of a randomized non-inferiority clinical trial. Seventy-nine patients with balanced MUI were randomly assigned to receive either 12-week EA with 24-week follow-up or 36-week PFMT and solifenacin. Primary outcome was the proportion of participants with ≥50% reduction of mean 24-h incontinence episode frequency (IFE) through weeks 1-12 from baseline. Analysis was performed in an intention-to-treat population using a generalized linear model with a binomial distribution, adjusted for imbalances in baseline variables, and a two-sided p value of less than 0.05 was considered significant.

Results: A total of 34 participants in the EA group and 45 participants in the PFMT plus solifenacin group were included in the intention-to-treat analysis of primary outcome. Through weeks 1-12, the proportion of participants with ≥50% reduction of mean 24-h IEF was 32.4% in the EA group, and 37.2% in the PFMT plus solifenacin group, with a mean difference of -2.82% (95%CI: -23.88 to 18.23, p=0.79), revealing non-inferiority. No significant difference held true for all the secondary outcomes. Six adverse events occurred in the EA group and 22 in the PEMT plus solifenacin group.

Conclusions: The effect of EA is similar to PFMT plus solifenacin in relieving the symptoms of both SUI and UUI and increasing participants' quality of life but with better safety. The effects of EA may sustain 24 weeks after treatment.

Keywords: Acupuncture; Conservative treatment; Muscarinic antagonists; Urinary incontinence.

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