Progression of Right Ventricular Systolic Dysfunction Detected by Myocardial Deformation Imaging in Asymptomatic Preterm Children.

Journal of cardiovascular ultrasound Pub Date : 2017-09-01 Epub Date: 2017-09-29 DOI:10.4250/jcu.2017.25.3.98

Soo Jung Kang, Mira Kim, Seo Jung Hwang, Hyo Jin Kim

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引用次数: 3

Abstract

Background: To detect progression of right ventricular (RV) systolic dysfunction (RVSD) in asymptomatic preterm children from infancy to 24-month corrected age, using velocity vector imaging (VVI).

Methods: Retrospective study comparing sequential RV longitudinal peak systolic strain (LPSS) from 24 children born at < 33 weeks of gestational age and 10 term infants recruited as controls, obtained at a mean of 4-month (first exam) and 24-month corrected age (second exam).

Results: In 7/24 (29.2%) of preterm children, RV LPSS of < 16%, defined as RVSD, was detected at the second exam; 5/7 of these children had RV LPSS > 16% at the first exam, and only 2/7 of these children had a history of moderate or severe bronchopulmonary dysplasia.

Conclusion: In asymptomatic preterm children, routine echocardiographic screening using VVI could detect RVSD which could progress from 4-24 month corrected age.

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无症状早产儿心肌变形显像检测右心室收缩功能障碍的进展。

背景:应用速度矢量成像(VVI)检测无症状早产儿从婴儿期到24月龄的右心室收缩功能障碍(RVSD)进展情况。方法:回顾性研究比较24例< 33周出生的儿童和10例足月婴儿的顺序右心室纵向峰值收缩张力(LPSS)，这些婴儿平均在4月龄(第一次检查)和24月龄(第二次检查)获得。结果:7/24(29.2%)的早产儿在第二次检查时检测到RV LPSS < 16%，定义为RVSD;5/7的患儿首次检查时RV LPSS > 16%，仅有2/7的患儿有中度或重度支气管肺发育不良史。结论:在无症状早产儿中，常规超声心动图VVI筛查可发现4 ~ 24月龄的RVSD进展。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of cardiovascular ultrasound

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