Development of catheter-based treatment of patent ductus arteriosus: A medium-sized centre experience (original) (raw)
2009, Archives of Cardiovascular Diseases
Background. -Despite the availability of effective devices, percutaneous closure of patent ductus arteriosus (PDA) can be challenging in some situations. Aim. -To describe our initial experience of percutaneous PDA closure. Methods. -Between 2001 and 2007, 73 consecutive patients aged 3 months to 70 years underwent transcatheter PDA closure. An Amplatzer duct occluder (ADO) was chosen for ducts greater than 2 mm (n = 50) and a Detachable coil (DC) for smaller ducts (n = 23). Results. -The diameter of the ducts ranged from 1 to 7.2 (mean 2.9 ± 1.3) mm. The prostheses were implanted successfully in all patients. The complete closure rate reached 98% in the ADO group and 100% in the DC group at 12 months. Four (5.4%) patients showed asymptomatic device protrusion: three patients (5, 6 and 10 kg) into the aortic isthmus and one patient (7 kg) into the pulmonary artery (PA). One patient (7 kg) experienced transient severe bradycardia due to pulmonary air embolism. Another patient (3.3 kg) had a permanent asymptomatic occlusion of the femoral artery. In a third patient (17 kg), the ADO migrated asymptomatically into the descending aorta and was discovered 12 months later.
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