关联运动和心脏自主系统之间的脆弱和动态失调
Patricio Arrué1, Kaveh Laksari1,2, Mark Russo3
1Department of Biomedical Engineering, University of Arizona, Tucson, AZ, United States.
Frontiers in aging
|May 28, 2024
概括
在体力活动中,虚弱会削弱心脏与运动系统之间的联系. 这种心肌运动相互连接可能成为识别老年人脆弱性的新生物标志物.
科学领域:
- 老年学是一门学科.
- 生物医学工程 生物医学工程
- 心脏病学 心脏病学
背景情况:
- 虚弱是一种与降低生理储备和老年人不良结果相关的老年综合征.
- 新兴研究表明,身体活动期间心率 (HR) 动态与虚弱之间存在联系.
- 了解运动功能和心脏调节之间的相互作用对于评估脆弱性至关重要.
研究的目的:
- 为了研究脆弱如何影响运动和心脏系统之间的相互连接.
- 在局部上肢功能 (UEF) 测试期间评估心脏运动系统的反应,与脆弱状态相关.
主要方法:
- 在65岁以上的56名参与者中,使用弗里德表型对脆弱性进行了评估.
- 进行了一项涉及快速肘部曲的UEF测试,并使用陀螺仪和心电图测量了运动功能和HR动态.
- 收交叉映射 (CCM) 用于量化心脏和运动性能之间的相互联系.
主要成果:
- 与不脆弱的对照人群相比,在预先脆弱和脆弱的个体中观察到显著较弱的心脏运动相互连接 (p < 0.01,效果大小 = 0.81 ± 0.08).
- 结合电机,人力资源动力学和互连参数的物流模型在识别前脆弱性和脆弱性方面实现了82%-89%的灵敏度和特异性.
- 这些发现突显了心脏运动相互连接和脆弱性之间的强烈关联.
结论:
- 这项研究表明,在老年人中,心肌运动相互连接和脆弱状态之间存在显著的联系.
- 融合交叉映射参数显示出作为脆弱性评估的新型,非侵入性措施的潜力.
- 将CCM集成到多式联运模型中可以提高脆弱性的检测和管理.
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