The original Senning technique of interatrial transposition of venous return was selectively employed for physiological correction in 24 patients with transposition of the great arteries (TGA) ranging in age from 74 days to 26 months (median 7 months). Twenty-three had intact ventricular septum and one had a large ventricular septal defect and diaphragmatic subpulmonary stenosis. There were no hospital or late deaths, and at follow-up examination 1.5 to 12 months postoperatively, each patient was asymptomatic, in normal sinus rhythm, and had no clinical evidence of caval or pulmonary venous obstruction. Nine patients underwent cardiac catheterization and angiocardiographic studies between 1.3 and 9 months postoperatively which demonstrated widely patent venous pathways and effective "left" and "right" atrial contraction. This experience lends support to the continued use of the Senning technique for interatrial transposition of venous return.
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