三维与二维心声图对儿童左心房体积和变形的评估
Alexander J Kiener1, James Croft1, Krista N Harris1
1Division of Cardiology, Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA.
Pediatric cardiology
|February 11, 2026
概括
与2DE相比,三维回声心脏图 (3DE) 提供了更快的处理速度和优异的可重现性,用于儿科左心房 (LA) 体积评估. 然而,3DE和2DE之间对LA菌株的共识较弱.
科学领域:
- 儿科心脏病学 儿科心脏病学
- 心脏成像 - - 心脏成像
- 心声回声图 (Echocardiography) 是一种心声回声图.
背景情况:
- 左心房 (LA) 的体积和功能对于评估儿科腹痛功能障碍 (DD) 是至关重要的.
- 三维回声心脏图 (3DE) 可能比传统的二维回声心脏图 (2DE) 提供LA评估的优势.
- 2DE中的局限性和假设需要探索先进的成像技术.
研究的目的:
- 为了比较3DE与2DE的准确性和可重复性,以评估儿童的左心房体积和功能.
- 评估3DE和2DE方法的处理时间和观察者间/观察者内可靠性.
- 确定3DE和2DE在测量LA体积和应变参数中的一致性.
主要方法:
- 一项涉及18岁以下正常心脏结构的儿童的横截面研究.
- 在LA体积和相位变形分析中使用了跨胸部3DE顶部体积数据集.
- 三名操作人员比较近乎完全自动化的3DE (GE EchoPAC) 与手动的2DE (TomTec),记录处理时间.
主要成果:
- 包括50名儿科患者;3DE处理时间明显短于2DE (0.6分钟对2.7分钟).
- 对于3DE和2DE之间的最大LA体积 (LAVmax) 发现了良好的一致性 (ICC=0.79),对于3DE的观测者间可重复性很好 (ICC=0.94).
- 对LA储存菌株 (LASr) 的不同模式的共识较弱 (ICC=0.17),尽管LA菌株的观察者间/观察者内部可靠性没有显著差异.
结论:
- 3DE在儿科LA体积评估中表现出卓越的处理效率和卓越的观察者间可重复性.
- 虽然3DE和2DE在LA体积上表现出良好的一致性,但它们在LA菌株上的一致性有限.
- 需要进一步的研究来确定哪种模式更好地预测儿科患者的临床结果.
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