在非缺血性心肌病患者的右心室分析的预后价值
Jordi Lozano-Torres1, Eduard Ródenas-Alesina2, Pablo Eduardo Tobías-Castillo1
1Department of Cardiology, Vall d'Hebron Hospital Universitari, Barcelona, Spain; Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain; Cardiovascular Diseases, Vall d'Hebron Institut de Recerca, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain.
概括
在非缺血性心肌病症中,较大的右心房体积指数 (RAVI) 预测了主要的不良心血管事件. 峰值右心房应变 (PRAS) 增加了RAVI的价值,用于对这些患者的风险评估.
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.
- 心血管成像 - 心血管成像
背景情况:
- 右心室 (RV) 功能障碍影响非缺血性心肌病 (NICM) 的预后.
- 评估RV功能可能具有挑战性.
- 右心房体积指数 (RAVI) 和右心房峰值压力 (PRAS) 可能表明RV透气功能障碍,但它们在NICM中的预后价值尚不清楚.
研究的目的:
- 评估RAVI和PRAS对NICM患者心血管死亡率或心力衰竭住院治疗的预测价值.
- 为了确定右心房应变参数是否可以在NICM人群中识别高风险个体.
主要方法:
- 回顾性,单中心,观察性,纵向研究.
- 包括NICM患者,左心室喷射率<50%,没有冠状动脉疾病.
- 主要终点:主要不良心血管事件 (MACE),定义为心力衰竭住院治疗或心血管死亡.
主要成果:
- 在512名患者中,有134名患者 (26.2%) 在3.4年的随访期间经历了MACE.
- 增加的RAVI和减少的PRAS与MACE独立相关.
- 拉维和普拉斯在预测MACE方面展示了附加值.
结论:
- 较大的RAVI是NICM患者心血管不良结果的重要预测因素.
- 在NICM中用于MACE风险分层的RAVI时,PRAS提供了补充的预后信息.
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