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  • Title: [Pulmonary atresia with intact ventricular septum. Valvar perforation by radiofrequency].
    Author: Fontes VF, Esteves CA, Braga SL, Acuña U, Santana MV, de Oliveira LM, Pedra SR, Sousa JE.
    Journal: Arq Bras Cardiol; 1995 Mar; 64(3):231-3. PubMed ID: 7487510.
    Abstract:
    Six days old neonate with pulmonary atresia and intact ventricular septum is reported in which a communication was established between the right ventricle and the pulmonary artery. The membraneous atresia was perforated with a special radiofrequency catheter 2F connected to a Hat 200S radiofrequency generator (Osypka). The energy necessary to perforation was 15W. After perforation of the atresia, balloon dilation was performed (balloon diameter: 2, 3, 4mm of coronary angioplasty and 5, 8mm Penta Medi-tech). The valve was completely opened giving the continuity between right ventricle and pulmonary artery.
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