Newly Developed Aortic Dissection After Aorta Cannulation During Mitral Valve Surgery in a Patient With Marfan Syndrome

We report a case of newly developed aortic dissection after aorta cannulation during mitral valve surgery in a patient with Marfan syndrome. An unexpected fatal complication of cardiac surgery detected on postoperative imaging survey in Marfan syndrome patient and its surgical finding are described.