在健康儿童中使用三维心声回声图的右心室收缩模式
Christopher Valle1,2, Adrienn Ujvari3, Eleni Elia1,2,4
1Department of Cardiology, Boston Children's Hospital, Boston, MA, United States.
Frontiers in cardiovascular medicine
|August 21, 2023
概括
三维回声心脏图显示前后缩短是健康儿童右心室收缩的主要组成部分. 这种先进的成像技术增强了对RV功能及其成熟变化的理解.
科学领域:
- 心脏病学 心脏病学
- 儿童心脏病学 儿童心脏病学
- 医疗成像医学成像
背景情况:
- 右心室 (RV) 呈现复杂的几何和三轴运动 (纵向,辐射,前后),使定量功能评估复杂化.
- 传统的二维心声回声 (2DE) 由于其复杂性,在完全评估RV功能方面存在局限性.
- 三维 (3D) 回声心脏学为评估RV功能贡献者提供了更全面的方法.
研究的目的:
- 用3D心声学量化健康儿童的全球RV功能的纵向,辐射和前后部组成部分.
- 在儿科队列中调查这些RV功能参数的成熟变化.
- 建立儿童RV功能组件的规范性数据.
主要方法:
- 从正常心脏结构的健康儿科患者队列中获得了3D回声心脏学数据集.
- 进行离线分析以生成RV轮,并将运动分解为纵向,辐射和前后部件.
- 计算每个组件的喷射分数 (LEF,REF,AEF) 并将它们与全球RVEF进行索引;计算的应变值.
主要成果:
- 分析包括166名健康儿童 (平均年龄13.5岁).
- 前后射出分数 (AEF) 显著大于辐射 (REF) 和纵向 (LEF) 射出分数 (p < 0.001).
- 在全球RV喷射率,REF和所有RV菌株组件中观察到与年龄相关的差异.
结论:
- 前后背缩短是健康儿童RV收缩的主要组成部分.
- 儿童RV参数的3D回声心脏学评估是可行的,并改善了对RV功能的理解.
- 这种方法可能有助于在未来识别VR功能障碍和评估治疗疗效.
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