患有非阻塞性冠状动脉疾病 (THRONE) 的患者的疾病进展和斑块组成:冠状动脉计算机断层扫描血管学随访研究
Karim D Mahmoud1, Simran P Sharma2, Ricardo P J Budde2
1Department of Cardiology, Cardiovascular Institute, Thorax Center, Erasmus MC, Rotterdam, the Netherlands.
Journal of cardiovascular computed tomography
|February 3, 2026
概括
分流储备 (FFR) 在两年内在大多数中间冠状动脉病变下降. 随访时较低的FFRct与增加的斑块负担和高风险的斑块组成有关.
科学领域:
- 心血管成像 - 心血管成像
- 干预性心脏病学 干预性心脏病学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 分流储备 (FFR) 阴性冠状动脉病变通常需要医疗治疗.
- 了解这些病变中的斑块特征和FFR随时间变化至关重要,但仍然具有挑战性.
研究的目的:
- 为了评估两年来FFR阴性病变的疾病进展,使用冠状动脉CT血管学 (FFRct) 衍生的FFR.
- 为了确定FFR下降是否与特定的斑块特征有关.
主要方法:
- 一项前性单中心研究包括中等病变的患者 (FFR 0.81-0.90).
- 冠状动脉CT血管造影 (CCTA) 与FFRct和斑块分析在两年随访时进行.
主要成果:
- 与基线侵入性FFR相比,FFRct在两年随访时明显较低 (中位数差异为-0.06).
- 在75%的病变中,FFR下降;那些FFRct ≤0.80的病变显示出更高的动脉瘤总体百分比和更多高风险斑块特征.
- 再血管化率在2年后为6.9%,在5年后为15.1%.
结论:
- 医疗管理的中间冠状动脉病变具有相当大的重血管化率.
- 两年后的FFRct ≤0.80表明斑块负担增加和高风险的斑块组成.
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