atrioventricular blockage treatment

Eighteen patients under went surgical treatment of univentricular hearts between April 1989 till October 1992. All 18 had palliative operations in the form of: a modified Blalock-Taussig shunt (5), pulmonary artery banding (2), bidirectional Glenn shunts (2), conventional Fontan repair (1) and total cavo pulmonary connection (8). There were 11 males and 7 females. The mean age at operation was 4.5 years (range, 1 month to 24 years). The average weight at operation was 12.2 kg (range 2 to 43 kg). Associated anomalies included: transposition of the great arteries (4), pulmonary stenosis (9), pulmonary atresia (1), mitral atresia (1), atrioventricular septal defect (1) and patent ductus arteriosus (3)...