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体育锻炼对久坐女性心脏收缩和舒张功能的改善作用。

Improvement of systolic and diastolic heart function after physical training in sedentary women.

机构信息

Department of Sports Cardiology, Gentofte University Hospital, Copenhagen, Denmark.

出版信息

Scand J Med Sci Sports. 2010 Apr;20 Suppl 1:50-7. doi: 10.1111/j.1600-0838.2009.01088.x. Epub 2010 Feb 2.

Abstract

The present study examined the cardiac effects of football training and running for inactive pre-menopausal women by standard echocardiography and tissue Doppler imaging. Thirty-seven subjects were randomized to two training groups (football: FG; n=19; running; RG; n=18) training 1 h with equal average heart rates twice a week for 16 weeks and compared with a matched inactive control group (CG; n=10). During the training period, left ventricular end-diastolic volume increased by 13% in FG and 11% in RG (P<0.05). Left ventricular posterior wall thickness increased in FG from 8.5+/-1.4 to 9.0+/-1.3 mm (P<0.05). Right ventricle diameter increased by 12% in FG and 10% in RG (P<0.05). Tissue Doppler imaging demonstrated increased left ventricular systolic and diastolic performances in both training groups. Peak systolic velocity increased by 26% in FG and 17% in RG (P<0.05) and left ventricular longitudinal displacement increased in both groups by 13% (P<0.05). Isovolumetric relaxation time decreased significantly more in FG than in RG (26% vs 14%, respectively P<0.05). In conclusion, 16 weeks of football and running exercise training induced significant changes of cardiac dimensions and had favorable effects on both left ventricular systolic and diastolic function. These training-induced cardiac adaptations appeared to be more consistent after football training compared with running.

摘要

本研究通过标准超声心动图和组织多普勒成像技术,检查了足球训练和跑步对不活跃的绝经前女性的心脏影响。37 名受试者被随机分为两组训练(足球:FG;n=19;跑步:RG;n=18),每周两次,每次 1 小时,平均心率相等,共 16 周,并与匹配的不活跃对照组(CG;n=10)进行比较。在训练期间,FG 组左心室舒张末期容积增加了 13%,RG 组增加了 11%(P<0.05)。FG 组左心室后壁厚度从 8.5+/-1.4 增加到 9.0+/-1.3mm(P<0.05)。FG 组和 RG 组右心室直径分别增加了 12%和 10%(P<0.05)。组织多普勒成像显示两组的左心室收缩和舒张功能均有改善。FG 组和 RG 组的收缩期峰值速度分别增加了 26%和 17%(P<0.05),两组的左心室纵向位移均增加了 13%(P<0.05)。FG 组的等容舒张时间比 RG 组显著减少(分别为 26%和 14%,P<0.05)。总之,16 周的足球和跑步训练引起了心脏尺寸的显著变化,并对左心室收缩和舒张功能均有良好的影响。与跑步相比,足球训练引起的这些心脏适应性似乎更一致。

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