[Lethal cholesterol crystal embolization syndrome after operation for abdominal aortic aneurysm].

A 70-year-old man underwent graft replacement for infrarenal abdominal aortic aneurysm, 50 mm in diameter. Postoperatively, he suffered from bilateral lower extremital ischemia. Although he underwent emergency embolectomy of both legs under general anesthesia, severe purplish discoloration of the distal lower extremities developed, and acute renal dysfunction occurred.

[Aortic valve replacement for quadricuspid aortic valve complicated with idiopathic thrombocytopenic purpura; report of a case].

An 83-year-old woman, who had suffered from idiopathic thrombocytopenic purpura (ITP), was admitted to our hospital because of cardiac heart failure and chest pain. The platelet was 42 x 10(4) in microl. Echocardiography revealed moderate aortic stenosis and regurgitation and left ventricular dysfunction.