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预测儿童在最初可以接受的大动脉修复后的非最佳结果

Wen Zhang¹, Qi Jiang¹, Yifan Zhu¹

¹Department of Cardiothoracic Surgery, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China.

The Annals of thoracic surgery

|January 21, 2026

概括

在儿童中,大动脉的初始修复至关重要,但并不总是持久的. 风险因素,如较小的圆环z-score,较高的梯度,和之前的气球大动脉膜整形预测未来的门故障在纯大动脉狭窄.

科学领域:

儿童心脏病学儿童心脏病学
遗传性心脏病是一种先天性心脏病.
心脏外科手术心脏外科手术

背景情况:

大动脉门修复是儿童先天性大动脉门疾病的首选治疗方法.
大动脉修复的耐用性可能是有限的,导致晚期故障.
在初始修复后,确定不足最佳结果的风险因素至关重要.

研究的目的:

确定儿科患者在最初可接受的大动脉修复后晚期低于最佳结果的预测因素.
为患有纯大动脉狭窄症的患者开发风险分层工具.

主要方法:

对287名接受主动动脉修复的儿科患者 (2014-2023) 的回顾性评估.
定义可接受的修复为<中度大动脉狭窄 (AS) 和轻度或较小的大动脉缺陷 (AI).
使用考克斯分析来确定低于最佳结果的预测因素 (定义为>中度AS/AI或再干预).

主要成果:

在64%的患者中,获得了可接受的初始修复.
与残留病变相比,可接受的修复显示出较高的4年免受低于最佳的结果 (75%对51%).
在纯粹的AS患者中,可接受的修复,较小的手术前圆环z-score,更高的手术前峰度梯度,以及之前的气球大动脉膜整形独立预测了次优结果.

结论:

虽然可以接受的初始大动脉修复至关重要,但它不能保证长期的成功.
手术前的annulus z-score,峰值梯度和气球大动脉膜整形术史是纯AS中随后门失灵的关键预测因素.
这些已识别的因素可以帮助风险分层,并指导进行大动脉修复的儿科患者的监测强度.

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