[Mycotic aneurysm in acute bacterial mitral valve endocarditis. Apropos of a case].

A 24 year old man presented with acute endocarditis of the mitral valve. Rupture of a mycotic cerebral aneurysm on the 20th day was successfully treated by interventional catheterisation. Several days later, he underwent mitral valvuloplasty under good conditions. The postoperative period was uncomplicated but emergency surgery was required for a mycotic aneurysm of the superior mesenteric artery. The patient was discharged from hospital without severe neurological sequellae and with a continent mitral valve.