心脏功能障碍而不是大动脉狭窄的严重程度驱动运动不耐受和不良血液动力学
Sarah Hoedemakers1,2,3, Jan Verwerft1,2, Yogesh N V Reddy4
1Department of Cardiology, Jessa Hospital, Hasselt, Belgium.
European heart journal. Cardiovascular Imaging
|October 24, 2023
概括
患有心力衰竭的患者保留喷射分数 (HFpEF) 和大动脉狭窄 (AS) 显示运动能力降低和血液动力学较差. 内在心脏功能障碍,而不是AS严重程度,更好地预测这些结果.
科学领域:
- 心脏病学 心脏病学
- 心血管医学 心血管医学
- 心脏衰竭研究研究
背景情况:
- 保持喷射分数 (HFpEF) 的心力衰竭和大动脉狭窄 (AS) 是常见的心血管疾病.
- 从临床上来说,区分HFpEF和AS严重程度对患者结果的贡献是非常重要的.
- H2FPEF评分有助于识别AS患者的HFpEF.
研究的目的:
- 研究HFpEF与AS严重程度对左心室 (LV) 功能,血液动力学和运动能力的影响.
- 为了比较HFpEF概率 (使用H2FPEF得分) 和AS严重程度对患者结果的影响.
主要方法:
- 一组206名患有中度至重度AS和不协调症状的患者接受了心肺运动测试和心声回声.
- 患者根据H2FPEF得分 (表示HFpEF概率) 和AS严重程度 (中度与中度) 分层. 这是严厉的).
主要成果:
- 与得分较低的患者相比,高H2FPEF得分 (表明HFpEF) 的患者表现出较低的LV全球纵向应变,减弱的透析功能和减少的LV合规性.
- 在高H2FPEF分数的患者中观察到较高的肺动脉压-心脏输出斜率,表明不良的血液动力学.
- 在高H2FPEF得分的患者中,峰值有氧能力显著降低,但在中度和重度AS组之间没有差异.
结论:
- 高H2FPEF得分与中度至重度AS患者的运动能力降低和不良血液动力学有关.
- 正如高H2FPEF得分所表明的那样,内在心脏功能障碍似乎是运动表现和血液动力学的更强的决定因素,而不是AS严重程度本身.
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