The Pulmonary Circulation and Congenital Heart Disease

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Abstract
Interrelations between the Pulmonary Vasculature and Congenital Heart LesionsThe role of the pulmonary circulation in determining the clinical course of congenital heart lesions in the immediate postnatal and neonatal period was discussed in the first section of this review. However, the developmental changes in the pulmonary circulation are affected in turn by the presence of some congenital cardiac malformations. Persistence of the thick-walled, muscular small pulmonary vessels of the fetal type in infants and children with ventricular septal defect, patent ductus arteriosus and other lesions is well recognized in pathological material. Whereas normally the development of the pulmonary vessels . . .