Does stroke volume increase during an incremental exercise? A systematic review

Does stroke volume increase during an incremental exercise? A systematic review

Author Vieira, Stella de Souza Autor UNIFESP Google Scholar
Lemes, Brunno Autor UNIFESP Google Scholar
Carvalho, Paulo de Tarso Camillo de Google Scholar
de Lima, Rafael do Nascimento Google Scholar
Bocalini, Danilo Sales Google Scholar
Silva Junior, José Antônio Google Scholar
Arsa, Gisela Google Scholar
Casarin, Cezar A. Google Scholar
Andrade, Erinaldo L. Google Scholar
Serra, Andrey Jorge Autor UNIFESP Google Scholar
Abstract Introduction: Cardiac output increases during incremental-load exercise to meet metabolic skeletal muscle demand. This response requires a fast adjustment in heart rate and stroke volume. The heart rate is well known to increase linearly with exercise load

however, data for stroke volume during incremental-load exercise are unclear. Our objectives were to (a) review studies that have investigated stroke volume on incremental load exercise and (b) summarize the findings for stroke volume, primarily at maximal-exercise load. Methods: A comprehensive review of the Cochrane Library's, Embase, Medline, SportDiscus, PubMed, and Web of Sci-ence databases was carried out for the years 1985 to the present. The search was performed between February and June 2014 to find studies evaluating changes in stroke volume during incremental-load exercise. Controlled and uncontrolled trials were evaluated for a quality score. Results: The stroke volume data in maximal-exercise load are inconsistent. There is evidence to hypothesis that stroke volume increases during maximal-exercise load, but other lines of evidence indicate that stroke volume reaches a plateau under these circumstances, or even decreases. Conclusion: The stroke volume are unclear, include contradictory evidence. Additional studies with standardized reporting for subjects (e.g., age, gender, physical fitness, and body position), exercise test protocols, and left ventricular function are required to clarify the characteristics of stroke volume during incremental maximal-exercise load.
Keywords Aerobic Exercise
Cardiac Function
Heart Physiology
Incremental Exercise
Maximal-Exercise Load
Stroke VolumeMuscle Blood-Flow
Upright Exercise
Maximal Effort
Language English
Sponsor National Council for Scientific [479395/2012-8]
Grant number National Council for Scientific: 479395/2012-8
Date 2016
Published in Open Cardiovascular Medicine Journal. Sharjah, v. 10, p. 57-63, 2016.
ISSN 1874-1924 (Sherpa/Romeo, impact factor)
Publisher Edp Sciences S A
Extent 57-63
Access rights Open access Open Access
Type Revisão
Web of Science ID WOS:000412286500008

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