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  • Title: Comparative Effectiveness of Surgical Ligation and Catheter Closure of Patent Ductus Arteriosus in Preterm Infants.
    Author: Tabb C, Aggarwal S, Bajaj M, Natarajan G.
    Journal: Pediatr Cardiol; 2024 Oct; 45(7):1515-1523. PubMed ID: 37316609.
    Abstract:
    To evaluate the association, if any, between closure modality (surgical ligation SL vs. catheter CC) of a hemodynamically significant patent ductus arteriosus (PDA), after failure of or contraindication to medical therapy, and immediate procedural complications, and post-procedure physiologic status in preterm (gestational age < 32 weeks) infants. In this single-center retrospective cohort study, data were accessed on infants < 32 weeks gestation, who underwent SL or CC of PDA, born from 2019-2021. The choice of modality was determined by parents, after they were provided information on both procedures. Our cohort (n = 112) included 36 (32.1%) infants who underwent SL while 76 (67.9%) underwent CC. The SL group of infants were significantly more immature at birth, younger on admission to the level IV NICU and received more mean (SD) surfactant doses than the CC group. Higher proportions of infants in the SL group had 5-min Apgar scores ≤ 5, seizures, severe intracranial hemorrhage and had received medical therapy for PDA. Both procedures were highly efficacious, with 1 unsuccessful device placement attempt and had low associated adverse events. Two (2.6%) infants had device migration 24 h after CC. SL was associated with a higher rate of immediate postoperative hypothermia whereas, in the CC group, mean airway pressure was significantly lower 48 h after, compared to before the procedure. SL and CC are comparable in short-term efficacy and safety for PDA closure. Long-term outcomes data are needed following both procedures.
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