Effects of a single session of noninvasive auricular vagus nerve stimulation on sports performance in elite athletes: an open-label randomized controlled trial.

Expert review of medical devices Pub Date : 2024-03-01 Epub Date: 2023-12-30 DOI:10.1080/17434440.2023.2299300

Adem Çalι, Ali Veysel Özden, İsmail Ceylan

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Abstract

Objectives: The purpose of this study was to investigate the efficacy of noninvasive auricular vagus nerve stimulation (AVNS) on sports performance.

Methods: The intervention group (n = 30) received a single session of AVNS, while the control group (n = 30) received a single session of sham AVNS. Pre- and post-treatment isometric quadriceps muscle strength, heart rate, lower extremity balance, and grip strength were measured.

Results: It was ascertained that the differences in heart rate (-0.73 pulse/min, p = 0.032) and modified Star Balance Test scores (anterior 2.72 cm, p = 0.000, posterolateral 3.65 cm, p = 0.000 and posteromedial 2.43 cm, p = 0.000) before and after AVNS were significant in subjects in the experimental group. The results of the one-way ANOVA analysis show that the differences obtained in all measurement parameters are not statistically significant (p > 0.05). Considering the partial eta squared (η2) obtained from the measurements, a small descriptive effect in favor of experimental group was obtained for the quadriceps strength (0.016) and anterior balance (0.054) measurements.

Conclusion: This study demonstrates that a single AVNS session compared to sham AVNS shows a modest benefit though not statistically significant improvement in athletic performance. Single-use of AVNS seems not effective in improving athletic performance.

Clinical trial registration: www.clinicaltrials.gov identifier NCT05436821.

查看原文本刊更多论文

单次无创耳廓迷走神经刺激对精英运动员运动表现的影响：开放标签随机对照试验。

研究目的本研究旨在探讨无创耳迷走神经刺激（AVNS）对运动成绩的影响：方法：干预组（30 人）接受一次 AVNS 治疗，对照组（30 人）接受一次假 AVNS 治疗。测量治疗前后股四头肌等长肌力、心率、下肢平衡和握力：结果：实验组受试者的心率（-0.73 脉冲/分钟，P = 0.032）和改良星形平衡测试评分（前方 2.72 厘米，P = 0.000；后外侧 3.65 厘米，P = 0.000；后内侧 2.43 厘米，P = 0.000）在 AVNS 治疗前后差异显著。单因素方差分析结果显示，所有测量参数的差异均无统计学意义（P > 0.05）。考虑到测量得出的部分 eta 平方（Ƞ2），在股四头肌力量（0.016）和前平衡（0.054）测量中，实验组的描述性效应较小：本研究表明，与假性视网膜神经阻滞疗法相比，单次视网膜神经阻滞疗法对运动成绩的改善虽无统计学意义，但也有一定的益处。临床试验注册：www.clinicaltrials.gov 识别码 NCT05436821。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Expert review of medical devices

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