多模式性OCT,IVUS和FFR评估冠状动脉中等级病变的女性与男性
Piotr Baruś1, Adam Piasecki1, Karolina Gumiężna1
1First Department of Cardiology, Medical University of Warsaw, Warsaw, Poland.
Frontiers in cardiovascular medicine
|July 10, 2023
概括
这项研究发现,冠状动脉疾病的男性和女性之间的分数流量储备 (FFR) 没有显著差异. 然而,女性表现出更多的状斑块和较少的斑块负担,这表明动脉样硬化进展的性别差异.
科学领域:
- 心血管医学 心血管医学
- 医疗成像医学成像
- 动脉样硬化研究 动脉样硬化研究
背景情况:
- 动脉样硬化斑块的形成和脆弱性可能因荷尔蒙和风险因素的变化而因性别而异.
- 了解这些基于性别的差异对于有效的心血管疾病管理至关重要.
- 目前关于性别特异性冠状动脉斑块特征的知识仍然有限.
研究的目的:
- 为了比较基于性别的冠状动脉斑块指数的差异,该指数来自光学连贯断层扫描 (OCT),血管内超声波 (IVUS) 和分数流量储备 (FFR).
- 调查中期冠状动脉狭窄症患者的斑块组成和负担的潜在性别特异性模式.
主要方法:
- 一项单一中心研究涉及112名中级冠状动脉狭窄症患者 (24名女性,88名男性).
- 使用包括OCT,IVUS和FFR在内的多模式成像来评估冠状动脉斑块特征.
- FFR值≤0.8表明显著的狭窄;OCT分析了斑块组成 (性,脂性,TCFA) 和MLA;IVUS量化了流体,斑块和血管体积和斑块负担.
主要成果:
- 在女性 (0.76) 和男性 (0.78) 之间没有观察到平均FFR值的显著差异.
- 海外国家和地区显示,女性的状斑块 (p=0.002) 和男性的脂质斑块 (p=0.04) 的患病率较高.
- 与男性相比,IVUS显示女性的血管和斑块面积/体积较小,最小流明面积 (MLA) 区域的斑块负担较低 (p=0.005).
结论:
- 虽然FFR值在性别之间没有显著差异,但OCT和IVUS显示出明显的斑块特征.
- 与男性相比,女性在MLA表现出较高的状斑块患病率和较低的斑块负担.
- 这些发现突出了冠状动脉样硬化的潜在性别特异性差异,需要进一步调查.
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