Percutaneous occlusion of the foramen ovale is safe and gives excellent results thanks to continuing improvement in available devices. This technique enables some patients in an unstable condition to avoid a surgical closure.

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Between 1968 and 1977, 32 patients who underwent the Fontan operation for tricuspid atresia at Bordeaux, France, or Leiden, The Netherlands, survived at least 1 year after surgery. These patients were evaluated clinically 7 to 16 years (mean 8.9 years) after surgery by review of clinical records, questionnaire, or direct examination. There were five deaths: one during arrhythmia, the second sudden and unexplained, and three others after reoperation. Four of the five patients had evidence of obstruction of the atriopulmonary or atrioventricular conduit. There were eight reoperations. Two were for residual atrial septal defects, one for an atrial septal defect and an intrapulmonary arteriovenous fistula, and one for a residual ventricular septal defect. The other four were reoperated for severe conduit or homograft obstruction. One of these four also had a residual shunt, severe mitral regurgitation, and reduced left ventricular function. The purpose of this report is to present the follow-up status of 32 patients who underwent the Fontan operation

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