左心室储应变对左心室功能障碍的影响
Guangyuan Li1,2, Yonghuai Wang1,2, Chunyan Ma1,2
1Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, Shenyang, China.
Quantitative imaging in medicine and surgery
|September 2, 2025
概括
在心力衰竭患者中,左心室储应变独立预测右心室功能障碍. 这一发现突显了左心室功能在评估右心室健康方面的关键作用.
科学领域:
- 心脏病学
- 心声检查
- 心脏衰竭的研究
背景情况:
- 左侧心力衰竭通常导致右心室功能障碍 (RVD).
- 确定RVD的独立预测因子对于治疗HF患者至关重要.
- 左心房 (LA) 功能,特别是LA储菌株在RVD中的作用仍在研究中.
研究的目的:
- 确定LA储菌株是否是左侧HF患者RVD的独立预测因子.
- 评估不同左心室喷射分数 (LVEF) 现型中LA储菌株和RVD之间的关联.
主要方法:
- 301名患有HF (降低和保留EF) 的患者接受了综合性胸腔回声学.
- 测量包括LVEF,肺动脉静脉压 (PASP),LV全球纵向应变 (LVGLS),LA储应变和RV自由壁应变.
- 使用多变量回归的统计分析确定了RVD的独立预测因素.
主要成果:
- 脊椎疾病的患病率为48.5%.
- 与较高的身体表面积,PASP和较低的LVEF,LVGLS和LA储备菌株有关.
- 在对多个临床和心声学变量进行调整后,LA储菌株仍然是RVD的独立预测因子 (OR 0. 83; P< 0. 001).
结论:
- 在左侧HF患者中,LA储菌株是RVD的重要独立预测因子.
- 这一发现强调了评估LA功能的重要性,以评估HF中的VR状态.
- 不管是LVEF还是PASP,LA储菌株提供了有价值的预后信息.
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