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  • Title: Significant persistent ductus arteriosus in infants less or equal to 6 kg: percutaneous closure or surgery?
    Author: Abadir S, Boudjemline Y, Rey C, Petit J, Sassolas F, Acar P, Fraisse A, Dauphin C, Piechaud JF, Chantepie A, Lusson JR.
    Journal: Arch Cardiovasc Dis; 2009; 102(6-7):533-40. PubMed ID: 19664573.
    Abstract:
    BACKGROUND: Percutaneous closure of large persistent ductus arteriosus using the Amplatzer duct occluder is an alternative to surgery. However, this device is not recommended in infants weighing less than 6 kg. AIM: To evaluate the safety and effectiveness of this procedure in low-body-weight infants. METHODS: We reviewed retrospectively data for infants weighing less or equal to 6 kg who underwent percutaneous closure of significant persistent ductus arteriosus using the Amplatzer duct occluder in France between 1998 and 2007. RESULTS: Data for 58 patients (mean weight: 5 kg, range: 3.4-6; mean age: 5.5 months, range: 2.1-15.3) were reviewed. Mean angiographic persistent ductus arteriosus minimal diameter was 3.7 mm (range: 1-7.5). Implantation of the Amplatzer duct occluder was successful in 89.7% of cases. In six (10.3%) patients, the device was not implanted because it would have led to significant aortic obstruction. One procedure-related death occurred in a 4 kg infant (1.7%). Major and minor complications occurred in 6.9 and 31.0% of patients, respectively. Persistent ductus arteriosus diameter greater than 3.7 mm, type C (tubular shape) and diameter/patient weight ratio greater than 0.91 were significantly associated with an unsuccessful procedure and/or major complications. During a median 10-month follow-up, no late device embolization occurred. CONCLUSIONS: Although percutaneous closure of significant persistent ductus arteriosus with the Amplatzer duct occluder is effective in low-body-weight infants, the level and severity of complications indicate surgery as first-line treatment, at least until further studies are done to assess the safety and effectiveness of the new Amplatzer duct occluder II in low-body-weight infants.
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