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01-01-2017 | Original Article

Maximal oxygen uptake and exercise tolerance are improved in rats with heart failure subjected to low-level laser therapy associated with resistance training

Authors: Vítor Scotta Hentschke, Lucas Capalonga, Douglas Dalcin Rossato, Júlia Luíza Perini, Jadson Pereira Alves, Giuseppe Potrick Stefani, Marlus Karsten, Mauro Pontes, Pedro Dal Lago

Published in: Lasers in Medical Science | Issue 1/2017

Abstract

Exercise tolerance and maximal oxygen uptake (VO_2max) are reduced in heart failure (HF). The influence of combined resistance training (RT) and low-level laser therapy (LLLT) on exercise tolerance and VO_2max in HF has not yet been explored. The aim of this study was to evaluate the influence of combined RT and LLLT on VO_2max and exercise tolerance in rats with HF induced by myocardial infarction (MI). Rats were allocated to sedentary sham (Sed-Sham, n = 12), sedentary heart failure (Sed-HF, n = 9), RT heart failure (RT-HF, n = 7) and RT associated with LLLT heart failure (RT + LLLT-HF, n = 7) groups. After MI or sham surgery, rats underwent a RT and LLLT protocol (applied immediately after RT) for 8 weeks. VO_2max and exercise tolerance were evaluated at the end of protocol. HF rats subjected to LLLT combined with RT showed higher VO_2basal (41 %), VO_2max (40 %), VO_2reserve (39 %), run distance (46 %), time to exhaustion (30 %) and maximal velocity (22 %) compared with HF rats that underwent RT alone. LLLT associated with RT improved oxygen uptake and exercise tolerance compared with RT alone in HF rats.

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Title: Maximal oxygen uptake and exercise tolerance are improved in rats with heart failure subjected to low-level laser therapy associated with resistance training
Authors: Vítor Scotta Hentschke
Lucas Capalonga
Douglas Dalcin Rossato
Júlia Luíza Perini
Jadson Pereira Alves
Giuseppe Potrick Stefani
Marlus Karsten
Mauro Pontes
Pedro Dal Lago
Publication date: 01-01-2017
Publisher: Springer London
Published in: Lasers in Medical Science / Issue 1/2017
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI: https://doi.org/10.1007/s10103-016-2088-3

ACC 2024 Congress

Springer Medicine

Maximal oxygen uptake and exercise tolerance are improved in rats with heart failure subjected to low-level laser therapy associated with resistance training

Abstract

ACC 2024 Congress

Springer Medicine

Abstract

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