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在Fallot修复四重症后的早期右心房功能

Omonigho Ekhomu¹, Jennifer A Faerber², Yan Wang³

¹Division of Cardiology, Rush University Children's Hospital, Chicago, IL, USA.

The international journal of cardiovascular imaging

|September 19, 2023

概括

在TetraLogy of Fallot (TOF) 修复后的早期,右心房和心室应变恶化,表明功能改变. 患者和手术因素预测了这些变化,有助于对TOF结果的风险分层.

科学领域:

心脏病学心脏病学
儿科心脏手术儿科心脏手术
心声回声扫描 (Echocardiography) 是一种心声回声扫描.

背景情况:

费洛四重症 (TOF) 修复后的透支功能障碍与不良的长期结果有关.
右心房 (RA) 机械作为右心室 (RV) 扩张功能TOF修复后的代理是不充分研究的.
早期的手术后评估RA和RV功能对于理解结果至关重要.

研究的目的:

在医院出院之前,在TOF修复后早期评估RA和RV菌株.
使用机器学习识别影响术后RA和RV菌株的患者特异因素.
为了确定早期手术后RA和RV菌株变化的临床意义.

主要方法:

对153名接受TOF手术修复的患者进行了回顾性队列研究.
对手术前后心声图进行分析,以评估RA菌株参数和全球纵向RV菌株.
梯度增强机器 (GBM) 模型用于识别术后应变的预测因素.

主要成果:

从手术前到手术后,在所有RA参数 (峰值应变,心筋/心筋应变速率,排空分数) 和RV全球纵向应变中观察到显著的恶化.
GBM模型确定了手术后应变的关键预测因素,包括肺/动脉Z分数,出生体重,妊娠年龄,手术时的年龄,手术前的RV功能和氧和,外流通道修复类型,心肺绕道持续时间和手术后的氧气水平.
多个患者和手术因素显著影响早期手术后的RA和RV菌株.

结论:

费洛特四重症的早期术后修复导致右心房和心室功能的显著改变,由恶化的压力证明.
确定的患者和手术因素可以为TOF修复提供术前风险分层的信息.
需要进一步的研究来探索RA菌株和早期术后功能变化的临床效用和预后影响.

关键词:

遗传性心脏病是一种先天性心脏病.扩张性功能障碍扩张性功能障碍在右心房的右心房.应变;右心房应变应变费洛特的四部曲费洛特四部曲

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