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在儿童和青少年的罗斯手术后,左心室功能变化

Michal Schäfer¹, Aaron Eckhauser^2,3, Reilly Hobbs²

¹Division of Cardiothoracic Surgery, University of Utah, 30 N Mario Capecchi Drive, Salt Lake City, UT, 84112, USA. michal.schafer@hsc.utah.edu.

Pediatric cardiology

|November 27, 2025

概括

罗斯手术在儿科患者中最初减少了全球周长应变,但改善了全球纵向应变1年,这表明左心室重塑有益. 这项研究追踪了前列动脉置换后心肌功能变化.

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:

罗斯手术是小儿和青少年患者的标准大动脉置换 (AVR).
之前对罗斯AVR结果的研究集中在移植功能上,忽视了早期心肌重塑效应.
早期评估心肌重塑后的罗斯AVR对于了解长期结果至关重要.

研究的目的:

在儿科和青少年患者中研究早期的全球心肌功能和在Ross手术后的重塑.
分析左心室全球周围应变 (LV GCS) 和左心室全球纵向应变 (LV GLS) 在罗斯AVR后的变化.
确定应变指标对医院治疗结果的预测作用.

主要方法:

一项前性研究,涉及58名接受罗斯手术的儿科和青少年患者.
在手术前,3-6个月和1年的随访期间,综合性心声学与心肌应变分析 (LV GCS和LV GLS).
在不同时间点对应菌株指数的对比和与住院时间的相关性.

主要成果:

在手术后3-6个月观察到LV GCS显著减少 (P < 0.001),而LV GLS没有变化 (P = 0.186).
随访1年后,LV GLS与3-6个月期间相比显著改善 (P < 0.001) 并趋向于基线改善 (P = 0.124).
更糟糕的手术前 LV GLS 与更长的医院住院时间 (8 vs. 6 天,P = 0.007) 相关.

结论:

罗斯手术最初对儿科患者的LV GCS的影响比LV GLS更大.
在手术后的一年内,LV GLS表现出改善,而LV GCS仍然减少,这表明左心室重塑可能有益.
应变分析为年轻患者在Ross AVR后早期心肌功能变化提供了洞察力.

关键词:

心肌重塑是指心肌的重塑.儿科儿科儿科这是罗斯程序,罗斯程序.

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