冠状动脉分层的PCI后FFR的影响
Carlos Collet1, Nils P Johnson2, Takuya Mizukami3
1Cardiovascular Center Aalst, onze lieve vrouw Clinic, Aalst, Belgium.
JACC. Cardiovascular interventions
|October 11, 2023
概括
穿皮冠状动脉干预 (PCI) 后的部分流量储备 (FFR) 根据冠状动脉而异. 后PCI FFR预测目标血管失效,但它的准确性在左前下降动脉和非左前下降动脉之间有所不同.
科学领域:
- 心血管医学 心血管医学
- 干预心脏病学 干预心脏病学
- 诊断成像 诊断成像 诊断成像
背景情况:
- 皮肤穿刺冠状动脉干预 (PCI) 后的低分流储备 (FFR) 与不良结果有关.
- 当前的FFR评估往往忽略了分析的特定心上血管.
研究的目的:
- 评估PCI后FFR对目标船故障 (TVF) 的预测值.
- 根据治疗的特定冠状动脉来分层这种预测能力.
主要方法:
- 随机试验和观察性研究中的个人患者数据的系统审查和元分析.
- 分析了PCI后的FFR测量,比较左前下降动脉 (LAD) 和非LAD动脉.
- TVF被定义为心脏死亡,目标血管心肌梗塞或目标血管再血管化.
主要成果:
- 分析了9项研究中的3336艘船只的数据.
- 平均PCI后FFR为0.89,在LAD (0.86) 中明显低于非LAD动脉 (0.93).
- 在PCI后的FFR预测了TVF (52%的风险增加每0.10个FFR单位的降低),LAD的预测能力较差 (AUC0.52),非LAD的预测能力中等 (AUC0.66).
结论:
- 与非LAD动脉相比,PCI后的FFR在LAD中较低,需要对血管进行特定的解释.
- 虽然较高的PCI后FFR表明更好的预后,但其TVF的预测能力在LAD和非LAD船只之间存在显著差异.
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