循环血压监测和心脏功能的新型脉冲波形指数:试点研究
Keisuke Narita1, Zihan Yuan2, Nobuhiko Yasui2
1Division of Cardiovascular Medicine, Department of Internal Medicine, Jichi Medical University School of Medicine, Shimotsuke, Japan.
JACC. Advances
|June 28, 2024
概括
使用门诊血压监测的新型脉冲波形分析 (Sf/Am) 显示,在心力衰竭患者中评估心脏功能具有前景. 这种非侵入性方法与左心室喷射率 (LVEF) 相对应,有助于患者监测.
科学领域:
- 心脏病学 心脏病学
- 生物医学工程 生物医学工程
- 医疗监测 医疗监测
背景情况:
- 监测心力衰竭 (HF) 患者需要可访问的方法来评估心脏功能.
- 目前对心脏功能进行的门诊治疗措施有限.
研究的目的:
- 评估HF患者新型脉冲波形指数,Sf/Am比率和左心室喷射率 (LVEF) 之间的关联.
- 为了确定从多传感器行走式血压监测 (ABPM) 设备中得出的Sf/Am比率是否可以作为心脏功能的非侵入性指标.
主要方法:
- 该研究涉及20名HF患者 (减少或保留LVEF),他们在基线和随访 (6-12个月) 接受了多传感器ABPM.
- 测量了Sf/Am指数,该指数是从脉冲波形的特定组成部分计算出来的.
- 患者被分为康复 (LVEF增加≥10%) 和未康复的组.
主要成果:
- 在恢复后的群体中,Sf/Am指数显著增加,但在未恢复后的群体中没有显著增加.
- 对基线Sf/Am比率的随访显示,与LVEF比率有显著的关联 (r=0.469,P=0.037).
- 总体而言,Sf/Am与LVEF有显著的相关性 (n=40,r=0.491,P=0.001).
结论:
- 通过多传感器ABPM测量的新型非侵入性Sf/Am指数与心力衰竭患者的LVEF有关.
- Sf/Am比率显示出潜在的价值工具,用于估计心脏功能的非侵入性.
- 这种方法可以加强对心力衰竭患者的监测.
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