在渐进式运动中,脑卒中量会增加吗?系统评价。

The Open Cardiovascular Medicine Journal Pub Date : 2016-04-27 eCollection Date: 2016-01-01 DOI:10.2174/1874192401610010057
Stella S Vieira, Brunno Lemes, Paulo de T C de Carvalho, Rafael N de Lima, Danilo S Bocalini, José A S Junior, Gisela Arsa, Cezar A Casarin, Erinaldo L Andrade, Andrey J Serra
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引用次数: 15

摘要

简介:心输出量在增加负荷运动中增加,以满足代谢骨骼肌的需求。这种反应需要快速调整心率和中风量。众所周知,心率随运动负荷呈线性增加;然而,增量负荷运动期间的脑卒中量数据尚不清楚。我们的目的是(a)回顾研究增加负荷运动的中风量的研究,(b)总结中风量的研究结果,主要是在最大运动负荷下。方法:对1985年至今的Cochrane Library、Embase、Medline、SportDiscus、PubMed和Web of science数据库进行了全面的综述。这项研究是在2014年2月至6月之间进行的,目的是寻找评估增量负荷运动期间脑卒中量变化的研究。对对照试验和非对照试验进行质量评分。结果:最大运动负荷下的脑卒中容量数据不一致。有证据表明,在最大运动负荷下,中风量会增加,但其他证据表明,在这种情况下,中风量会达到平稳期,甚至会减少。结论:脑卒中量不明确,证据相互矛盾。需要对受试者(如年龄、性别、身体健康和体位)、运动试验方案和左心室功能进行标准化报告的额外研究,以阐明增量最大运动负荷时脑卒中容量的特征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Does Stroke Volume Increase During an Incremental Exercise? A Systematic Review.

Does Stroke Volume Increase During an Incremental Exercise? A Systematic Review.

Does Stroke Volume Increase During an Incremental Exercise? A Systematic Review.

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.

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