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患有法洛四重症的胎儿上升性大动脉的异常流动模式:通过血斑跟踪回声心脏图进行评估

D Zhou^1,2, Y Liu¹, G Xu¹

¹Department of Ultrasound, Second Xiangya Hospital, Central South University, Changsha, China.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology

|September 27, 2025

概括

患有Fallot四重症 (ToF) 的胎儿在上升性大动脉 (AAo) 中显示出显著更多的血流,通过血斑跟踪心声学 (BST) 检测到. 这种异常的流动模式与心脏几何结构的改变有关,为ToF病理生理学提供了洞察力.

科学领域:

胎儿心脏病学胎儿心脏病学
医疗成像医学成像
遗传性心脏病是一种先天性心脏病.

背景情况:

费洛特四重症 (ToF) 是一种复杂的先天性心脏缺陷.
了解 TOF 的胎儿的大动脉血流模式对于诊断和管理至关重要.
高率超声波与血斑跟踪回声心电图 (BST) 提供了血液流动的先进可视化.

研究的目的:

用BST.来评估TOF的胎儿的上升大动脉 (AAo) 血流模式.
为了研究这些流动模式和心脏几何学之间的关系,胎儿与ToF.

主要方法:

一项横截面研究包括35个有ToF的胎儿和35个对照.
在AAo中的血液流动模式使用BST进行了评估.
测量左心室 (LV) 输入和输出通道角 (IOA);确定和心脏几何之间的关联.

主要成果:

与对照组 (17.1%) 相比,有ToF的胎儿的发生率 (91.4%) 和AAo流的数量显著更高.
与对照组相比,有ToF的胎儿的LV-IOA较小.
的存在和数量与大动脉膜大小和ToF的胎儿的LV-IOA显著相关.

结论:

与对照人群相比,有ToF的胎儿在AAo中表现出明显的异常血流.
观察到的异常流动模式与心脏几何变化有关,包括LV外流管道形态.
这些发现增强了对患有ToF的胎儿大动脉病理生理学的理解.

关键词:

血液斑点跟踪成像成像技术胎儿心电回声学胎儿心电回声学左心室的输入和输出的角度.这是一个的 vortex.

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