Diminutive pulmonary arteries remain a problem in the surgery of congenital heart
disease. This is the second report of a case in which the internal mammary artery
was successfully used to enlarge small pulmonary arteries by 50% within 9 months accompanied
by improvement of the symptomatic state in a patient with pulmonary atresia and diminutive
left pulmonary arteries.
Diminutive pulmonary arteries - Palliative systemic-pulmonary shunt - Internal mammary
artery