Atrial septal defect, primum type. Results of surgical closure in 46 patients.


Surgical closure of an atrial septal defect of the ostium primum type was performed in 46 patients during the years 1965-78. All closures were performed with a Dacron patch and the mitral valve defect was sutured. The operative mortality was 6.5%. Pre-operatively, all patients had right bundle-branch block with left axis deviation. Severe heart block did… (More)


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