Dissection of the left main coronary artery: a complication of PTCA to the anterior descending artery.

This case report describes a patient with severe discrete left anterior descending coronary artery atheroma who underwent percutaneous transluminal coronary angioplasty. During the procedure, dissection occurred in a superior atheromatous plaque of the left main coronary artery and needed immediate surgery. Special care should be taken in the selection and angioplasty of patients with concomitant left main artery disease.