Treatment and Nontreatment of the Patent Ductus Arteriosus: Identifying Their Roles in Neonatal Morbidity

In this volume of The Journal, Bixler et al report their study of 61 520 infants (delivered before 31 weeks' gestation) in the Pediatrix Clinical Data Warehouse; they found that both the incidence of patent ductus arteriosus (PDA) reported and the number of infants receiving PDA treatment (either medical or surgical) declined significantly between 2006 and 2015.1 Their findings are similar to the results reported by Lokku et al from the Canadian Neonatal Network and by Hagadorn et al from the Pediatric Hospital Information System database.

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