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Heart morphology differences induced by intrauterine growth restriction and premature birth measured on the ECG in pre-adolescents

机译:在青少年前期通过心电图测量的宫内生长受限和早产引起的心脏形态差异

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Pre-adolescents who had suffered from intrauterine growth restriction (IUGR) during their mothers' pregnancy usually present more spherical hearts (smaller relation between base to apex measure and basal diameter), measured using echocardiograms, which has been associated with long-term cardiac disfunction. The present work aims to analyse these heart morphology changes by means of the surface ECG so as to have an early diagnostic tool of this pathology. The dataset is conformed by 148 pre-adolescents with either preterm or term births, and with or without IUGR. Once QRS and T-wave loops were obtained from the vectorcardiogram, the angles between the dominant vector of the QRS loop and -XY or -YZ planes(??R-XY, ??R-YZ) and the difference between ??R-XY and the angle between the dominant vector of T-wave loop (??T-XY) and the XY-plane showed different values for pre-adolescents who suffered from premature birth and IUGR than for control subjects (p
机译:使用超声心动图测量的母亲怀孕期间遭受子宫内生长限制(IUGR)的青春期前通常表现出更多的球形心脏(基部至根尖度量与基部直径之间的关系较小),这与长期心脏功能障碍有关。本工作旨在通过表面心电图分析这些心脏的形态变化,从而为这种病理学提供早期诊断工具。该数据集由148个具有早产或足月分娩,有或没有IUGR的青少年组成。一旦从心电图获得了QRS和T波环,QRS环的主导矢量与-XY或-YZ平面之间的夹角(ΔR-XY,ΔR-YZ)和ΔR之差-XY和T波环的主导向量(ΔT-XY)与XY平面之间的夹角显示,早产和IUGR患儿的青春期与对照组相比有所不同(p

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