Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model

Background Fibromyalgia patients experience cardiovascular complications in addition to musculoskeletal pain. This study aimed to investigate the cardiac effects of a prolonged shallow water gait in a fibromyalgia-induced young mouse model. Methods To produce a fibromyalgia mouse model, wild-type mi...

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Main Authors: Taiki Nakata, Atsushi Doi, Daisuke Uta, Megumu Yoshimura, Min-Chul Shin, Etsuro Ito
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7526895/?tool=EBI
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author Taiki Nakata
Atsushi Doi
Daisuke Uta
Megumu Yoshimura
Min-Chul Shin
Etsuro Ito
author_facet Taiki Nakata
Atsushi Doi
Daisuke Uta
Megumu Yoshimura
Min-Chul Shin
Etsuro Ito
author_sort Taiki Nakata
collection DOAJ
description Background Fibromyalgia patients experience cardiovascular complications in addition to musculoskeletal pain. This study aimed to investigate the cardiac effects of a prolonged shallow water gait in a fibromyalgia-induced young mouse model. Methods To produce a fibromyalgia mouse model, wild-type mice were administered an intraperitoneal injection of reserpine once a day for three days, and two primary experiments were performed. First, three types of gait tests were performed before and after the reserpine injections as follows: (i) 5 minutes of free gait outside the water, (ii) 1 minute of free gait in shallow warm water, and (iii) 5 minutes of free gait in shallow warm water. Second, electrocardiogram recordings were taken before and after the three gait tests. The average heart rate and heart rate irregularity scores were analyzed. Results Exercise-induced cardiac arrhythmia was observed at 1-minute gait in shallow water during the acute stage of induced FM in young mice. Further, both cardiac arrhythmia and a decrease in HR have occurred at 5-minute gait in shallow water at the same mice. However, this phenomenon was not observed in the wild-type mice under any test conditions. Conclusion Although a short-term free gait in shallow warm water may be advantageous for increasing the motor activity of FM-model mice, we should be aware of the risk of prolonged and excessive exercise-induced cardiac arrhythmia. For gait exercises in shallow water as a treatment in FM patients. We suggest a gradual increase in exercise duration may be warranted.
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spelling doaj.art-c54656bf2da747178ac5f2e6262865a72022-12-22T01:46:04ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-01159Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse modelTaiki NakataAtsushi DoiDaisuke UtaMegumu YoshimuraMin-Chul ShinEtsuro ItoBackground Fibromyalgia patients experience cardiovascular complications in addition to musculoskeletal pain. This study aimed to investigate the cardiac effects of a prolonged shallow water gait in a fibromyalgia-induced young mouse model. Methods To produce a fibromyalgia mouse model, wild-type mice were administered an intraperitoneal injection of reserpine once a day for three days, and two primary experiments were performed. First, three types of gait tests were performed before and after the reserpine injections as follows: (i) 5 minutes of free gait outside the water, (ii) 1 minute of free gait in shallow warm water, and (iii) 5 minutes of free gait in shallow warm water. Second, electrocardiogram recordings were taken before and after the three gait tests. The average heart rate and heart rate irregularity scores were analyzed. Results Exercise-induced cardiac arrhythmia was observed at 1-minute gait in shallow water during the acute stage of induced FM in young mice. Further, both cardiac arrhythmia and a decrease in HR have occurred at 5-minute gait in shallow water at the same mice. However, this phenomenon was not observed in the wild-type mice under any test conditions. Conclusion Although a short-term free gait in shallow warm water may be advantageous for increasing the motor activity of FM-model mice, we should be aware of the risk of prolonged and excessive exercise-induced cardiac arrhythmia. For gait exercises in shallow water as a treatment in FM patients. We suggest a gradual increase in exercise duration may be warranted.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7526895/?tool=EBI
spellingShingle Taiki Nakata
Atsushi Doi
Daisuke Uta
Megumu Yoshimura
Min-Chul Shin
Etsuro Ito
Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
PLoS ONE
title Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
title_full Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
title_fullStr Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
title_full_unstemmed Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
title_short Excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
title_sort excessive exercise induces cardiac arrhythmia in a young fibromyalgia mouse model
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7526895/?tool=EBI
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