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Original Articles

Effects of rhythmic auditory stimulation on walking during the 6-minute walk test in patients with generalised Myasthenia Gravis

ORCID Icon, &
Pages 333-338 | Received 22 Sep 2020, Accepted 08 Jan 2021, Published online: 27 Jan 2021
 

Abstract

Introduction

Rhythmic auditory stimulation (RAS) has been shown to improve gait parameters in several neurological diseases, both in walk-training interventions and in one-time walking tests, but the effect in myasthenia gravis (MG) is unknown.

Objective

The aim of this study was to examine if RAS improves walking distance and gait speed in patients with generalised myasthenia gravis (gMG) in the 6-minute walk test (6MWT).

Methods

Forty-eight patients with gMG walked two 6MWTs under different conditions: (1) walking with RAS with a frequency of 100% of the patient’s fastest gait speed, (2) walking with RAS with a frequency of 110% of the patient’s fastest gait speed, or (3) walking in silence.

Results

RAS with a frequency of 110% of the patient’s fastest gait speed increased the walking distance by 8.3 metres in the 6MWT vs standard 6MWT (p = 0.01), without increasing average walking heart rate (HR) or Borg scores.

Conclusions

This study indicates that RAS may improve gait speed and walking distance in patients with gMG without additional exertion as judged by HR and Borg scores. Based on these results, RAS could be used as part of a physical rehabilitation program for patients with gMG.

Author contributions

Andersen has full access to all data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

Concept and design: Andersen, Vissing; Acquisition, analysis, or interpretation of data: All authors; Drafting of the manuscript: All authors; Critical revision of the manuscript for important intellectual content: All authors; Statistical analysis: Andersen; Obtained funding: Andersen; Administrative, technical, or material support: Andersen; Supervision: Witting, Vissing.

Disclosure statement

No potential conflict of interest was reported by the author(s).

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