Surgical repair of atrial septal defect in patients over 60 years of age. Long-term results.

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Abstract
In order to evaluate results of surgical repair of secundum atrial septal defect (ASD) in patients 60 years of age or older, a review was made of 16 patients who had undergone such operation between January 1964 and December 1974. Before operation eight patients were in functional classification III (New York Heart Association), seven were in class II, and one was in class I. Twelve patients had a left-to-right shunt greater than 3:1. Pulmonary artery systolic pressure was greater than 40 mm Hg in 12 patients and greater than 60 mm Hg in five. Four patients had documented paradoxical emboli and were being treated with Coumadin. Before operation all patients but one were receiving digoxin. Repair was accomplished by direct suture in two patients and Dacron patch graft in 14. No deaths occurred during the postoperative period. Postoperatively, ten patients were in class I, five in class II, and one remained in class III. The hospital stay ranged from eight to 20 days (average 11 days). Two patients died one year and another (at the age of 77) five years after surgery. The remaining 13 patients are alive and well three months to 11 years after surgery. We conclude that repair of secundum ASD in patients over the age of 60 is safe, has low morbidity, and produces considerable clinical improvement.