Abstract
A technique for retrograde catheterization of the pulmonary artery through patent Blalock-Taussig shunts is described. Pulmonary artery pressure and oxygen saturation are determined and pulmonary angiography is performed via this catheter. The angiographic anatomy of the main pulmonary artery and its branches was demonstrated better by this technique than by conventional right ventriculography in 11 patients with severe cyanotic congenital heart disease.
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