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(Circulation. 1958;17:180.)
© 1958 American Heart Association, Inc.

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Pulmonic Stenosis with Intact Ventricular Septum

Treatment Utilizing Extracorporeal Circulation

DWIGHT C. MCGOON M.D.¹ JOHN W. KIRKLIN M.D.¹

¹ From the Mayo Clinic and the Mayo Foundation, Rochester, Minn. The Mayo Foundation, Rochester, Minnesota, is a part of the Graduate School of the University of Minnesota.

Pulmonic stenosis unassociated with a ventricular septal defect of significant size is often a complex abnormality. The stenosis may be valvular, infundibular, or both, and may be associated with an atrial septal defect or even with a small ventricular septal defect. Preoperative studies cannot accurately predict these variations. The surgical approach selected for such patients should permit the correction of each of the cardiac defects encountered. That this can be accomplished by means of extracorporeal circulation and open cardiotomy is demonstrated by the presented series of 10 cases without operative mortality.