在患有STEMI的患者中,初级PCI后异常微血管输液和定量流量比率之间的相关性
Jiayu Xu1, Da Luo1, Yuhua Lei2
1Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China; Cardiovascular Research Institute of Wuhan University, Wuhan, China; Hubei Key Laboratory of Cardiology, Wuhan, China.
International journal of cardiology
|January 2, 2025
概括
对比流量定量流量比 (cQFR) 有效预测ST段升高心肌梗塞 (STEMI) 患者的异常微血管输液 (MVP) 和长期死亡率. 低于0.875的cQFR表明死亡风险较高.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 心血管成像 - 心血管成像
背景情况:
- 及时评估微血管输液 (MVP) 对ST段升高心肌梗塞 (STEMI) 患者的结果至关重要.
- 初级穿皮冠状动脉干预 (PPCI) 旨在恢复血液流动,但微血管功能可能仍然受损.
研究的目的:
- 评估对比流量量流量比率 (cQFR) 在评估异常MVP的临床实用性.
- 确定cQFR对PPCI成功后STEMI患者长期死亡率的预后影响.
主要方法:
- 分析了两个独立的队列:用于cQFR-MVP相关的诊断队列 (n=186) 和用于长期死亡率评估的预后队列 (n=1931).
- 异常的MVP使用心肌对比输液回声心脏学 (MCE) 进行评估.
- 预后队列中的患者被跟踪至少2年,主要结局是所有原因的死亡率.
主要成果:
- 在诊断队列中,cQFR与MCE评估的异常MVP呈现中度相关性 (AUC=0.709).
- 0.875的cQFR截止值显示了81.6%的特异性和50.9%的敏感性来预测异常的MVP.
- 在预后队列中,cQFR<0.875与显著更高的长期死亡率有关 (8.0%与3.8%,p<0.001) 并被确定为独立预测因素 (aHR=2.132).
结论:
- cQFR是预测PPCI后STEMI患者异常MVP的一个有价值的工具.
- 低于0.875的cQFR值独立预测异常MVP和长期死亡风险增加,提供了重要的预后信息.
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