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Objectives Anomalous aortic origin of a coronary artery is a rare congenital lesion in which a coronary artery arises from an anomalous location within the aorta. Anomalous aortic origin of a coronary artery has been associated with myocardial ischemia and it is considered the second most common cause of sudden cardiac arrest in young athletes. When surgical repair is indicated, surgical unroofing is the most commonly employed technique. Our objective is to describe the outcomes of our surgically treated patients.Methods We present a series of 16 adult patients who underwent surgical repair of anomalous aortic origin of a coronary artery. Patients were treated in three different institutions by the same surgeon. Surgical unroofing of the anomalous coronary artery was the surgical technique chosen in the majority of the patients. Follow-up was performed.Results Unroofing of an intramural anomalous coronary artery was the procedure performed in 11 patients. Three patients underwent neo-ostium creation; one patient underwent a David procedure with coronary reimplantation; and one patient was treated with coronary bypass grafting due to severe coronary atheromatous lesions. There were no perioperative deaths, and no major postoperative complications. Follow-up period was 73.8 months, the survival rate was 100%, and there were neither ischemia or heart failure reports.Conclusions The surgical repair of anomalous aortic origin of a coronary artery by coronary unroofing or neo-ostium creation has demonstrated excellent early and late outcomes. Late survival was excellent. The follow-up period revealed no significant morbidity or complications.