Surgical ligation, not transcatheter closure, associated with a higher severity of bronchopulmonary dysplasia in extremely preterm infant intervened for patent ductus arteriosus

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Abstract

Objective: Patent ductus arteriosus (PDA) is a common complication among premature infants, which may be responsible for prematurity-related complications such as bronchopulmonary dysplasia (BPD). It is unclear whether different interventional methods contribute to the severity of BPD, given the original National Institute of Child Health and Human Development (NICHD) 2001 definition. To date, surgical ligation and the transcatheter approach have been equally successful in premature infants with hemodynamically significant PDA after medical treatment failure. Immediate improvement in the respiratory condition has been reported after transcatheter closure. However, the short-term pulmonary outcome has not been clarified yet. Methods: This retrospective study investigated infants born with a body weight <1000 g and who underwent either surgical ligation or transcatheter closure of PDA in a single tertiary institution. The infants were divided into groups according to the type of procedure (surgical ligation or transcatheter occlusion). The primary outcome was the severity of BPD at discharge or at a postmenstrual age of 36 weeks. The outcome was analyzed with logistic regression. Results: Forty-four patients met the inclusion criteria, of whom 14 underwent transcatheter occlusion and 30 underwent surgical ligation. The overall birth body weights and gestational age ranges were not different. The univariate model revealed an association between the procedure type and BPD severity. After adjusting for confounders, the multivariate model confirmed associations between BPD severity and procedure type and severe respiratory distress syndrome requiring surfactant. Conclusion: Compared with the transcatheter approach, surgery for PDA in extremely preterm infants is associated with severe BPD at discharge. Further large-scale studies are needed to determine the exact mechanism.

Original languageEnglish
Pages (from-to)1221-1228
Number of pages8
JournalPediatric Pulmonology
Volume58
Issue number4
DOIs
Publication statusPublished - 2023 Apr

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Pulmonary and Respiratory Medicine

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