ArticlePediatric cardiology2026
Umbilical Artery Access for PDA Stenting: Feasibility in Select Anatomy.
Article in Pediatric cardiology, 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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Abstract
Patent ductus arteriosus (PDA) stenting is a less invasive alternative to surgical shunts in ductal-dependent congenital heart disease. Umbilical artery access for PDA stenting offers femoral-like retrograde advantages while avoiding associated risks, however is underreported in this context. This study evaluates umbilical artery access feasibility and outcomes for PDA stenting. A case series included seven neonates undergoing PDA stenting via umbilical artery access between 01/17/2020 and 10/30/2024 at Rady Children's Hospital, San Diego. Patient demographics, PDA morphology, and procedural details were collected. Existing umbilical arterial lines were rewired and exchanged for a 4 F Flexor sheath (Cook Medical Bloomington, Indiana, USA), advanced through the iliac artery to the descending aorta. A coaxial system was used to cross the PDA and deploy coronary stents with a wire-locking technique for controlled positioning. Post-procedure, patients received dual antiplatelet therapy with the umbilical catheter remaining in situ until stability. This study (71% female) had a median gestational age of 38 weeks and a median birth weight of 2.97 kg. The median age at catheterization was 8 days (range: 3-10). PDA morphology originated from the descending aorta (n = 4, 57.1%) and the brachiocephalic artery (n = 3, 42.9%). The median procedure time was 126 min (range: 42-161 min), with a median fluoroscopy time of 24.7 min (11.4-58.6). No intra- or post-procedural complications occurred. Median stent diameter was 3.5 mm; 85.7% required one stent. Scheduled reinterventions, as part of staged palliation, were performed in a subset of patients. Umbilical artery access for PDA stenting is a safe and effective alternative in select cases, with no acute complications in our study.
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