Pulmonary Blood Flow Measurements Following Vena Cava-to-Pulmonary Artery Anastomosis (original) (raw)

Abstract

The distribution of pulmonary blood flow was investigated in 2 patients 13 and 9 years following vena cava-to-pulmonary artery anastomosis. Angiographic and radioactive flow studies revealed a wide-open vena cava-topulmonary artery anastomosis which became larger proportional to the patient's growth. The passage of contrast material through the lung was swift and unimpeded; however, perfusion of the apical portion of the right lung appeared less than satisfactory. There was a complete separation between the systems of the superior and inferior caval veins, and contrast material and radioactive albumin injected into the system of the superior caval vein entered the right lung exclusively.

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