饮食和运动训练在肥胖儿童的生理动作中恢复血压和血管扩张反应
Maurício M Ribeiro1, Alexandre G Silva, Nelson S Santos
1Department of Endocrinology, Medical School, University of São Paulo, São Paulo, Brazil. mmaltez@usp.br
Circulation
|April 20, 2005
概括
儿童肥胖会在运动和压力期间损害血管功能. 综合饮食和运动训练有效地恢复了肥胖儿童的血压和血管反应.
科学领域:
- 儿科内分泌学 儿科内分泌学
- 心血管生理学心血管生理学
- 肥胖问题研究研究
背景情况:
- 儿童肥胖是一个日益关注的问题,对肌肉血流调节的未知影响.
- 以前的研究还没有充分探索饮食和运动干预如何影响肥胖儿童的血管反应.
研究的目的:
- 研究肥胖儿童在生理压力期间的血压 (BP) 和前臂血管导电性 (FVC) 反应.
- 为了确定饮食和运动训练是否可以恢复该人群的正常BP和FVC反应.
主要方法:
- 三十九名肥胖儿童被分为仅饮食或饮食加运动组;十名瘦孩子作为对照.
- 测量前臂血流是使用囊造影,并在手握运动和心理压力测试期间非侵入性监测血压.
- 干预组接受了饮食或饮食加运动训练,结果与基线和对照组相比较.
主要成果:
- 与瘦肉对照组相比,肥胖儿童的基线血压较高,FVC较低.
- 在运动和精神压力期间,肥胖儿童表现出夸张的BP反应和模糊的FVC反应.
- 饮食加上运动训练在压力期间显著改善了FVC反应,使其正常化到瘦身儿童的水平.
结论:
- 儿童的肥胖在生理挑战期间显著改变了血压和血管导电性.
- 仅仅饮食改变就降低了血压,但只有饮食和运动训练的结合才能恢复血管导电性.
- 包括运动在内的干预措施对于使肥胖儿童的心血管反应正常至关重要.
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