短期BP变化指数的方法见解和相关性
Sandra C Fuchs1,2, Guilherme S Procianoy2, Marcelo B Lucca1
1Postgraduate Program of Cardiology, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
Blood pressure
|December 19, 2025
概括
标准偏差 (SD),变化系数 (CV) 和平均真实变化率 (ARV) 是可互换的,用于测量短期血压变化率 (BPV). 时间速率指数 (TRI) 反映了一个独特的构造,需要对预后价值进行单独评估.
科学领域:
- 心脏病学 心脏病学
- 高血压研究 高血压研究
- 睡眠医学 睡眠医学
背景情况:
- 血压变化 (BPV) 是心血管事件的重要独立风险因素.
- 像SD,CV,ARV和TRI这样的短期BPV指数来自24小时ABPM.
- 这些不同的BPV指数之间的相互关系仍未得到充分研究.
研究的目的:
- 调查短期BPV指数之间的相关性和一致性:SD,CV,ARV和TRI.
- 确定这些指数是否可以在心血管结局研究中互换使用.
主要方法:
- 分析24小时ABPM的缩BPV指数,用于患有阻塞性睡眠呼吸暂停的高血压患者.
- 计算皮尔森相关性 (r) 和类内相关性 (ICC),以评估关系和一致性.
- 对65名40岁及以上的参与者进行评估.
主要成果:
- SD,CV和ARV显示出高线性相关性和中等至高的ICC一致性.
- TRI显示的相关性很弱,与SD,CV或ARV没有ICC一致性.
- 这些发现在一组患有阻塞性睡眠呼吸暂停的高血压个体中观察到.
结论:
- SD,CV和ARV可能可以互换地用于评估短期BPV和心血管结果.
- TRI代表了BPV的不同方面,并且需要对其预后价值进行单独考虑.
- 进一步的研究可能会澄清TRI在心血管风险评估中的独特临床实用性.
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