systolic and diastolic diameters of the pulmonary artery anulus ( pa-a ) , pulmonary artery sinus ( pa-s ) , pulmonary artery trunc ( pa-st ) , as well as those of the right and left pulmonary arteries ( rpa , lpa ) were measured from cineangiograms of 51 infants , children and adolescents without heart disease ( n = 16 ) or with cardiovascular malformations which had no hemodynamic relevance ( n = 35 ) .
C0021270
infants
C0008059
children