Dissec？？o aguda de artéria coronária após troca de valva aórtica

late aortic dissection can occur after aortic valve replacement surgery, but rarely in the first postoperative month. coronary artery dissection is rare and usually occurs after coronary angiography. we report a rare case of coronary artery dissection followed by myocardial infarction in the immediate postoperative period of a successful aortic valve replacement with a good postoperative evolution.