右心室肌肉工作预测肺毛细血管压力上升在运动期间心力衰竭
Kuan-Chih Huang1, Ting-Tse Lin2, Lung-Chun Lin2
1Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan; Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan.
JACC. Advances
|June 26, 2025
概括
右心室浪费工作 (RVGWW) 和工作效率 (RVGWE) 在诊断心力衰竭时显示出有前途. RVGWW是HFpEF患者运动诱导的血压升高的新型预测因子.
科学领域:
- 心脏病学 心脏病学
- 心血管生理学心血管生理学
- 诊断成像 诊断成像 诊断成像
背景情况:
- 心力衰竭与保留喷射分数 (HFpEF) 症状与运动诱导的肺毛细血管压 (PCWP) 升高相关.
- 在HFpEF中右心室 (RV) 心肌工作的诊断价值尚未得到充分确立.
研究的目的:
- 在HFpEF中评估RV心肌工作的诊断效用.
- 检查运动期间RV心肌工作和PCWP之间的相关性.
主要方法:
- 侵袭性心肺运动测试用于识别患者的HFpEF 无法解释的呼吸障碍.
- 心声学评估了心室参数,并使用应变率和压力数据计算了RV心肌工作.
- 分析包括RV全球建设性工作,RV全球工作指数,RV全球浪费工作 (RVGWW) 和RV全球工作效率 (RVGWE).
主要成果:
- 在高高压的患者中,运动后的PCWP和肺动脉平均压力都较高.
- 与非HFpEF患者相比,HFpEF患者的RVGWW显著增加,RVGWW显著减少.
- 与其他回声心脏学参数相比,RVGWW和RVGWE显示HFpEF的诊断性能优越 (AUC分别为0.85和0.83). RVGWW与运动后的ΔPCWP和运动后的PCWP相关.
结论:
- 全球RV浪费工作 (RVGWW) 是评估HFpEF中的RV性能的一个新参数.
- 在HFpEF中,RVGWW比传统的心声回声测量更好地解释了运动后 ΔPCWP.
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