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(Circulation. 1966;33:I-28.)
© 1966 American Heart Association, Inc.

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Hemodynamic Effects of a Totally Corrective Procedure in Transposition of the Great Vessels

LANGFORD KIDD M.D.¹ WILLIAM T. MUSTARD M.D.¹

¹ From the Departments of Cardiology and Surgery, Hospital for Sick Children, and the Departments of Paediatrics and Surgery, University of Toronto, Toronto, Ontario, Canada.

1. The hemodynamic findings in four children with transposition of the great vessels who have been completely corrected are described and contrasted with the findings before and after the initial creation of an atrial septal defect.

2. All four cases exhibit full arterial oxygen saturation and have normal atrial pressures. The pressure tracings in the atria suggest that the pericardial baffle does not interfere with their function.

3. It is suggested that the left ventricle in transposition of the great vessels may assume the compliance characteristics of a normal right ventricle.

4. It is concluded that with this procedure it is possible to restore normal cardiac function and systemic oxygenation in children with complete transposition of the great vessels.