Outcomes of inferior sinus venosus defect repair

Objective Inferior sinus venosus defect is an unusual form of interatrial communication with few published data on surgical outcomes. We sought to compare outcomes of surgical repair of inferior sinus venosus defect with those of large secundum atrial septal defects. Methods Patients undergoing surgical closure of an isolated interatrial defect were reviewed, and those with inferior sinus venosus defect were identified on the basis of predetermined anatomic criteria. For each case, 2 controls with secundum atrial septal defect, matched for age and year of surgery, were selected. Technical outcome scores and other perioperative outcomes were compared. Results Compared with the secundum atrial septal defect group (n = 90), the inferior sinus venosus defect group (n = 45) had worse technical outcome scores ( P = .02), a higher rate of reintervention (9% vs 1%, P = .04), longer median total cardiopulmonary bypass (48 vs 39 minutes, P