[Successful management of abdominal aortic aneurysm due to bacterial infection: report of a case].

A successful surgery of abdominal aortic aneurysm due to bacterial infection is described. The patient, 71-year-old man, had been suffering from high fever of unknown origin which had narrow escape with the several kinds of antibiotics about a month and more. During the antibiotic therapy in another hospital, he was diagnosed as an abdominal aortic aneurysm by whole body computed tomography. Immediately after the arrival to our hospital, digital subtraction angiography was done, and it showed a saccular aneurysm in the infrarenal abdominal aorta. Surgical removal of this aneurysm without opening of the aneurysmal wall was performed and the kitted dacron graft was used for aorto-biiliac anastomosis. The diagnosis of aneurysm due to bacterial infection was confirmed by bacteriological and pathological examinations. The patient in now surviving 17 months after operation. Abdominal aortic aneurysm due to bacterial infection is a serious disorder that generally carries grave prognosis. Complete removal of infected lesion without contamination and long-term follow-up with antibiotic chemotherapy are essential for this disease.