在急性下部ST升高肌肉心脏病发作患者中,通过心声学评估右心室功能的预后值
1Cardiology Department, Zagazig University, Zagazig, Egypt.
右心室扩张功能障碍在较低的ST段升高心肌梗塞 (STEMI) 患者中早期出现,这些患者有严重的不良心脏事件 (MACE). 像EE这样的心声回声测量措施.
科学领域:
- 心脏病学 心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 心肌梗塞的心脏病发作
背景情况:
- 右心室 (RV) 梗塞是下位ST段升高心肌梗塞 (STEMI) 的常见并发症,影响大约三分之一的患者.
- 评估RV功能对于了解劣质STEMI患者的预后至关重要.
研究的目的:
- 评估RV功能的住院和长期预后价值在较低STEMI患者.
- 为了识别暗示不良结果的回声心脏学参数.
主要方法:
- 招募了247名接受初级血管造形手术的下级STEMI患者.
- 在48小时内和6个月后进行心声扫描,评估RV心肌性能指数 (RVMPI),RV小区面积变化 (RVFAC),三环状平面缩外流 (TAPSE),RV全球纵向应变 (RVGLS) 和肺动脉缩压 (PASP).
- 在6个月的随访期间,主要的不良心脏事件 (MACE) 被跟踪.
主要成果:
- 在患者中观察到早期的RV扩张功能障碍 (较低的E'波速,更高的E/E'),这些患者后来经历了MACE.
- 在6个月后,患有MACE的患者显示RV几何和缩功能受损,由较低的RVFAC,较低的TAPSE,较高的RVGLS和较高的PASP表明.
- 多变量分析确定了E'波速,E/E',RVFAC和TAPSE作为MACE的重要预测因素.
结论:
- 在较低的STEMI中,在患有MACE的患者中,RV透缩功能障碍先于静缩功能障碍和几何变化.
- E'波速,E/E',RVFAC和TAPSE是该患者队列中MACE的强有力的独立预测指标.
- 对RV功能的心声学评估提供了较低STEMI的关键预后信息.
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