Acupuncture for Residual Dizziness After Successful Repositioning Maneuvers in Patients with Benign Paroxysmal Positional Vertigo: Study Protocol for a Randomized Noninferiority Trial.
Yu Xia, Jingchao Sun, Kun Dai, Fuqiang Sun, Zhe Ren, Bin Cheng
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引用次数: 0
Abstract
Introduction: Benign paroxysmal positional vertigo (BPPV) is the most common cause of peripheral vertigo among adults. Successful treatment often requires an appropriate canalith repositioning procedure (CRP), which has proven effective in the treatment of BPPV. However, some patients experience residual dizziness (RD) after CRP, affecting their daily activities and quality of life. Although oral betahistine is a common clinical treatment for RD, some patients may discontinue this medication due to adverse effects. Conversely, acupuncture has demonstrated efficacy in treating dizziness with minimal adverse effects. However, to date, no trials have directly compared the efficacy of acupuncture and betahistine in treating RD. Our goal was to assess the noninferiority of acupuncture in treating RD compared with the commonly used oral betahistine treatment.
Methods and analysis: A randomized, controlled, non-inferiority trial was conducted to compare the effectiveness of acupuncture and betahistine in patients with BPPV who experience RD after a successful CRP. Eighty-four participants were randomly assigned to two treatment groups, each receiving either acupuncture or betahistine. The assessors and statisticians were blinded to treatment allocation. The primary outcomes were the response rate and change in vertigo level, and secondary outcomes included Visual Analog Scores and the presence and change in depressive symptoms among patients. Scale measures were recorded at baseline, 2, 4, and 12 weeks after randomization. This trial aims to provide causal evidence supporting the non-inferiority of acupuncture therapy relative to oral betahistine, offering an alternative treatment avenue for patients intolerant to betahistine.
Ethics and dissemination: Ethics approval was obtained from the Affiliated Hospital of Shandong University of Traditional Chinese Medicine, with permission number 2023-095-KY. Written informed consent was obtained from the enrolled patients.