ArticleJournal of cardiovascular development and disease2026
Major Aortopulmonary Collateral Artery as a Rare Cause of Heart Failure in a Neonate with Transposition of the Great Arteries: An Unexpected Turn in an Otherwise Routine Case.
Article in Journal of cardiovascular development and disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
The association of a major aortopulmonary collateral artery (MAPCA) with simple transposition of the great arteries (TGA) is uncommon. Such high-flow lesions in the postoperative period following arterial switch operation (ASO) may lead to pulmonary hypertension, pulmonary hemorrhage, heart failure (HF), failure to thrive and prolonged mechanical ventilation. We report a neonate who developed pulmonary overcirculation and HF in the early postoperative period due to a hemodynamically significant MAPCA. Although the association of MAPCA with simple TGA is infrequent, such lesions should be considered in cases of unexplained cardiovascular compromise following ASO. Following transcatheter occlusion of the MAPCA with a vascular coil, rapid hemodynamic stabilization and subsequent extubation of the patient were achieved.
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