following 4 groups of patients were separated : 1 ) neonates and infants with supraductal ( preductal ) aortic hypoplasia or atresia , with hypoplastic left ventricle of the heart ( 5 boys and 2 girls ) , 2 ) infants with supraductal coarctation of the aorta , without underdevelopment of the left heart cavities ( 2 boys and 2 girls ) , 3 ) infants and children with postductal coarctation of the aorta ( 17 boys and 3 girls ) and 4 ) infants and children with valvular or/and subvalvular , or supravalvular aortic stenosis ( 18 boys and 8 girls ) .
C0021270
infants
C0008059
children