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(Circulation. 1960;22:198.)
© 1960 American Heart Association, Inc.

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Tricuspid Stenosis with Pulmonary Atresia

A Cineangiographic-Pathologic Correlation

MILTON H. PAUL M.D.¹ MAURICE LEV M.D.¹

¹ From the Cardiovascular Laboratory and the Department of Pathology of the Children's Memorial Hospital, and the Congenital Heart Disease Research and Training Center, Hektoen Institute, Chicago, Ill.

An opportunity was presented during cardiac catheterization to study the hemodynamic function of the obstructed right ventricular chamber in a heart with tricuspid stenosis, pulmonary atresia, and an intact ventricular septum.

Cineangiocardiograms demonstrated that the anatomically stenotic tricuspid orifice was also a regurgitant orifice and it is postulated that the bidirectional flow of blood associated with the tricuspid regurgitation prevents the obstructed ventricle from becoming obliterated by stasis-thrombosis.