从冠状动脉计算机断层扫描血管造影中,在抽缩和放缩阶段之间进行人工智能支持的斑块测量的可复制性
Guadalupe Flores Tomasino1, Donghee Han1, Raymond Pimentel1
1Departments of Imaging and Medicine, and the, Cedars-Sinai Medical Center , Smidt Heart Institute, Los Angeles, CA, USA.
European radiology
|March 11, 2024
概括
冠状动脉CT血管造影 (CTA) 斑块测量显示了缩和放缩阶段之间的良好一致性. 人工智能软件使标准化斑块量化无关心心脏阶段,简化分析.
科学领域:
- 心血管成像 - 心血管成像
- 放射学 放射学是一门学科.
- 人工智能在医学中的应用
背景情况:
- 当前的冠状动脉CT血管学 (CTA) 准则允许在末缩和中缩阶段采集图像.
- 这些不同心脏阶段对定量冠状动脉斑块测量的影响仍未得到研究.
研究的目的:
- 探索心脏周期阶段对冠状动脉CTA中的定量斑块评估的影响.
- 为了确定CTA图像采集阶段是否会影响冠状动脉斑块测量.
主要方法:
- 39名冠状动脉样硬化患者接受了双源CT血管造影.
- 从相同的CTA扫描中重建了末缩和中期到晚期透析阶段图像.
- 支持人工智能 (AI) 的斑块分析软件 (Autoplaque) 在两个阶段量化了斑块和狭窄.
主要成果:
- 对186个病变的分析显示,对于所有斑块体积测量,缩和放缩图像之间有很好的一致性和相关性 (林的一致系数为0.970.99;R 0.960.98).
- 在缩和放缩阶段 (p > 0.05) 之间,在总,非化,化或低密度非化斑块体积中没有发现实质性的内差异.
- 对直径狭窄的测量也显示,心脏阶段之间没有显著差异.
结论:
- 人工智能支持的定量斑块测量显示,心血管静脉图像与心血管静脉图像之间非常一致.
- 这些发现表明,标准化冠状动脉斑块量化是可行的,无论用于CTA获取的心脏阶段.
- 进一步的验证可能会支持使用任何一个阶段来进行一致的斑块评估.
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