功能性心肌评估在电影心脏计算机断层扫描血管学使用心声回声功能跟踪软件在患者和没有显著的冠状动脉疾病的患者
Adi Hertz1,2, Michael Jerdev1,2, Liza Grosman-Rimon3
1The Azrieli Faculty of Medicine in the Galilee, Bar-Ilan University, Zefat, Israel.
International journal of cardiology. Heart & vasculature
|January 21, 2025
概括
在心脏CT血管图 (CCTA) 上进行心声心脏图谱应变分析,可以在患有冠状动脉疾病 (CAD) 的患者中识别心脏肌肉功能的降低. 这种功能性评估补充了解剖成像,有助于诊断显著的冠状动脉狭窄.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 生物医学工程 生物医学工程
背景情况:
- 心脏计算机断层扫描血管造影 (CCTA) 是为非侵入性冠状动脉解剖学评估而建立的.
- 功能跟踪回声心脏学 (FT-Echo) 正在出现用于左心室功能评估.
- 将FT-Echo菌株分析与CCTA集成为增强功能评估提供了潜力.
研究的目的:
- 评估将心声波应变分析应用于CCTA电影剪辑的可行性.
- 为了确定全球和区域的菌株参数是否与冠状动脉狭窄症的严重程度相关.
- 评估应变分析对解剖学CCTA发现的功能附加值.
主要方法:
- 来自61名患者的CCTA研究被重建成电影图像.
- 用西门子的速度向量成像 (VVI) 软件来推导应变和位移.
- 心肌力学参数在具有显著和非显著冠状动脉疾病 (CAD) 的患者之间进行了比较.
主要成果:
- 在60个案例中成功生成了应变和位移参数.
- 显著的CAD患者表现出明显较低的全球纵向和周围应变.
- 与未受影响的段相比,冠状动脉狭窄的段减少了区域细分菌株.
结论:
- 尽管喷射分数相似,但患有显著冠状动脉狭窄的患者表现出心肌收缩的减少.
- 应用于CCTA电影片段的速度向量成像 (VVI) 可以帮助区分显著的冠状动脉狭窄和非显著的冠状动脉狭窄.
- 该技术将功能信息添加到CCTA提供的解剖数据中.
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