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    Balloon pulmonary valvuloplasty in a premature neonate
    (Turkish Soc Cardiology, 2006) Yavuz, Taner; Nisli, Kemal; Can, Gulay; Aydogan, Umrah
    Interventional cardiac catheterization procedures in low-birth-weight neonates are associated with specific problems including hypothermia during the procedure, difficulty in vascular access, and problems related to the small size of cardiac structures. Physical examination of a premature neonate, delivered by cesarean section at the 34th week of gestation with birth weight of 1790 g revealed a systolic murmur of 3/6 intensity. The murmur continued on the following day and cardiomegaly was observed on a chest radiogram. Echocardiographic examination revealed a patent foramen ovale with right-to-left shunt, patent ductus arteriosus, right ventricular hypertrophy, and valvular pulmonary stenosis. Balloon pulmonary valvuloplasty was performed upon detection of increased right ventricular pressure and pulmonary artery pressure gradient and development of marked tachypnea and dyspnea. Following the procedure, right ventricular pressure and pulmonary gradient decreased and the infant was discharged eight days after the procedure. Pulmonary artery pressure gradient was 56 mmHg after a month.
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    Stent implantation for postoperative conduit anastomosis stenosis
    (Turkish Soc Cardiology, 2006) Nisli, Kemal; Olgar, Seref; Yavuz, Taner; Aydogan, Umrah
    Anatomical complications may occur after surgical repair procedures for congenital heart diseases. A 13-year-old boy presented with progressively decreased effort capacity. He had a history of bilateral Blalock-Taussig pulmonary shunt operation shortly after birth with diagnoses of transposition of the great arteries, pulmonary atresia, ventricular septal defect, and patent ductus arteriosus. In addition, he underwent a Rastelli operation (a left ventricular to aorta and right ventricular to pulmonary artery conduits) and reconstruction of the right ventricle outflow tract at the age of seven years. Right ventriculography showed bilateral stenosis of the pulmonary artery conduit anastomoses. Balloon angioplasty with stent implantation was performed, after which his complaints disappeared and effort capacity increased.