运营商决策在血管学仅指导的FFR不适用于病变的重血管化:在慢性冠状动脉综合征中基于QFR的功能评估
Sadeek S Kanoun Schnur1,2,3, Robertas Pranevičius1,4, Cosima Stark1
1Department of Cardiology, University Heart Center Graz, Medical University Graz, Graz, Austria.
Frontiers in cardiovascular medicine
|March 12, 2024
概括
尽管使用高分流储备 (FFR),但冠状动脉血管学和功能意义往往不匹配. 这项研究发现,10%的复血管化决定与QFR不同,特别是在左前下降动脉.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 医疗成像医学成像
背景情况:
- 冠状动脉血管学和功能意义之间的不一致是一个已知的问题.
- 在像FFR这样的常规功能评估时代,这种不匹配的流行程度还不清楚.
- 这项研究调查了当前临床实践中的差异.
研究的目的:
- 评估冠状动脉血管学发现与功能意义之间的不一致程度.
- 评估这些差异对重血管化决策的影响.
- 为了确定特定的冠状动脉,其中不匹配更常见.
主要方法:
- 分析了接受选择性冠状动脉血管造影的慢性冠状动脉综合征 (CCS) 患者的单中心前性注册表.
- 冠状动脉动脉图有明确的解剖学指示支持或反对再血管化,经过盲目的操作人员的后期分析.
- 用量化流量比 (QFR) 来进行功能评估,与视觉狭窄症评估和实际重血管化策略进行比较.
主要成果:
- 对191名患者的488个血管的分析显示,直径狭窄 (DS) 和QFR (r = -0.84) 之间存在中等相关性.
- 在QFR和常规解剖切断 (50% DS,70% DS) 之间的一致性很高 (分别为88%和91%).
- 然而,10%的重血管化决定与QFR指示不匹配,左前下降动脉的比率更高 (14%).
结论:
- 冠状动脉血管学和功能意义之间的不一致性即使在操作人员放弃功能测试时也存在.
- 这种缺口,特别是在左前下垂动脉中发现的,表明基于血管学综合功能评估的潜在好处.
- 通过整合常规功能评估,可以改进CCS中的再血管化决策.
关键词:
在FFR中,FFR是FFR.在QFR中,QFR是QFR.血管造影指导的PCI.慢性冠状动脉综合征 慢性冠状动脉综合征分流储备的部分流量储备.功能性错误分类的错误分类量化流量比率是一个量化流量比率.更多相关视频
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