Creation of coronary sinus using left atrial diaphragm in the patient with cor triatriatum and unroofed coronary sinus.

Surgical correction of cor triatriatum with unroofed coronary sinus consisted of creation of the coronary sinus using the left atrial diaphragm and closure of the atrial septal defect in an adult patient. No materials other than intracardiac components were used to repair all anomalies.