SUMMARYThe diagnosis of atrial septal defect (ASD), persistant left superior vena cava (LSVC) and absence of coronary sinus was established by cardiac cateterization in a 20 years old female. At surgery the coronary vein ostia were located in the left atrium. LSVC was ligated and a pericardial patch was sutured around the orifices of the coronary veins and extended to the ASD to redirect the coronary blood flow into the right atrium and close the defect. The postoperative cardiac catheterization and hemodynamic studies revealed good result.

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