Incidence and clinical features of patent ductus arteriosus in low-birthweight infants: a prospective analysis of 150 consecutively born infants

Autor:	B, Siassi, C, Blanco, L A, Cabal, A G, Coran
Rok vydání:	1976
Předmět:	Male Respiratory Distress Syndrome Newborn Infant Newborn Birth Weight Humans Female Prospective Studies Ductus Arteriosus Patent Heart Arrest
Zdroj:	Pediatrics. 57(3)
ISSN:	0031-4005
Popis:	The incidence of persistent patency of the ductus arteriosus beyond the third day of life was prospectively determined in 100 preterm infants with birthweights of 2,000 gm or less and 50 infants with birthweights of 2,001 to 2,500 gm. The overall incidence was 21% and was inversely related to increasing gestational age and birthweight. The data suggest that immaturity is the major determinant of the persistent patency of the ductus arteriosus. Spontaneous delayed closure of the ductus occurred in 79% of patients that survived the immediate neonatal period. There was a high degree of association between the presence of a patent ductus arteriosus (PDA) and respiratory distress syndrome (RDS). Eight infants with severe RDS and PDA developed heart failure and four required surgical ligation of the ductus. None of the infants with birthweights greater than 2,000 gm who had PDA developed heart failure or required surgical ligation of the ductus arteriosus.
Databáze:	OpenAIRE
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