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Tratamento percutaneo vs. cirúrgico da persistência do canal arterial em crian?as e adolescentesDOI: 10.1590/S2179-83972012000300016 Keywords: ductus arteriosus, patent, heart defects, congenital, surgery, heart catheterization, prostheses and implants. Abstract: background: studies comparing percutaneous and surgical methods for the treatment of the patent ductus arteriosus (pda) are rare in the literature. this study aimed to perform a comparative analysis between both pda treatment methods with emphasis on efficacy and morbidity. methods: observational study with 2 cohorts of children and adolescents > 5 kg and < 14 years of age with pda, treated under a study protocol to assess the incorporation of novel technologies to the brazilian public health system (unified health system - sus) at an excellence hospital, in partnership with the brazilian ministry of health. a prospective analysis was conducted for the percutaneous group from 2009 to 2011 and a retrospective analysis was performed for the surgical group between 2006 and 2011. results: eighty patients were included in the percutaneous group (60% female) and 39 patients in the surgical group (51% female; p = 0.37). the median age and weight of the percutaneous and surgical groups was 39.4 months vs 25.5 months (p = 0.04) and 14 kg vs 11.1 kg (p = 0.052), respectively. in the percutaneous group, 78 patients (92%) had type a pda and the minimal ductal diameter at angiography was 2.5 + 1.2 mm. amplatzer?, gianturco coils and ceratm were the most commonly used devices. clipping was the most commonly used surgical technique. the success rate of the procedure was 100% in both groups. the surgical group had higher complication rates, including chylothorax, infections, transfusions, systemic arterial hypertension, use of opioids and a greater need for intensive care. the median hospitalization time was 1.3 days in the percutaneous group and 7.9 days in the surgical group (p < 0.01). upon discharge, occlusion rates were similar in both groups (91% in the percutaneous group and 87% in the surgical group; p = 0.71). conclusions: due to the lower morbidity, the shorter hospitalization time and similar efficacy, percutaneous treatment of the pda should be considered the modality o
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