This study was supported by grants from Beijing Natural Science Foundation (No.7112046), Beijing Municipal Education Committee (No. PXM2011 014226 07 000060), Beijing Municipal Science and Technology Committee (No. Z101107050210020), and Beijing Municipal Science and Technology Committee (No. Z11110006150000).
Background Congenital heart defects with intractable hypoplasia of the pulmonary arteries without intercourse or with intercourse stenosis is unsuitable for surgical correction or regular palliative procedures. We rep...