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Closure of a large ductus arteriosus in a preterm infant using the ADO II AS device
  1. Gabriella Agnoletti,
  2. Roberto Bordese,
  3. Fulvio Gabbarini
  1. Department of Paediatric Cardiology, O.I.R.M - S. Anna Hospital, Turin, Italy
  1. Correspondence to Dr Gabriella Agnoletti, Servizio di Cardiologia Pediatrica, piazza Polonia 90, 10124 Torino, Italy; gabriella.agnoletti{at}

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Current catheter technology is not designed for closure of large patent ductus arteriosus (PDA) in low-weight infants. Percutaneous coil occlusion of PDA was previously attempted in a sick premature baby with multiple malformations.1 The new miniaturised device, ADO II AS (Amplatzer Duct Occluder II Additional Size), might avoid the risk of surgical closure of PDA in preterm babies.2

A male child was born with a weight of 1050 g; he …

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  • Competing interests None.

  • Patient consent Obtained.

  • Ethics approval Ethics approval was provided by OIRM Ethics Committee.

  • Provenance and peer review Not commissioned; internally peer reviewed.