Pulmonary artery growth after arterial duct stenting in completely duct-dependent pulmonary circulation (original) (raw)

Heart (British Cardiac Society), 2016

Abstract

Significant and balanced pulmonary artery (PA) growth following arterial duct (AD) stenting has already been reported in literature. However, no data are so far available about the role of this percutaneous approach in promoting PA growth in the case of congenital heart disease (CHD) with completely duct-dependent pulmonary blood flow (CDD-PBF). Aim of this study was to evaluate the effect of AD stenting in this pathophysiological setting. PA growth was evaluated as Nakata index and McGoon ratio as well as individual PA z-score changes in 49 patients submitted to neonatal AD stenting according to their pathophysiology (CDD-PBF (n=15) versus multiple PBF sources (n=34)). Control angiography was performed 7.2±6.4 months (range 1-8, median 6) after AD stenting. In the whole population, significant and balanced PA growth was recorded (Nakata index+122±117%; left pulmonary artery (LPA) z-score +84±52%; right pulmonary artery (RPA) z-score +92±53% versus preprocedure, p<0.0001 for all ...

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