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Ruptured Aneurysm of the Common Iliac Artery Caused by Brucella melitensis: A Case Report

Brucella is a genus of aerobic Gram negative bacteria that causes the disease brucellosis. It is considered a zoonotic infection transmitted to humans by ingestion of unpasteurised dairy products. Although aortic involvement is rarely seen, it can be a life threatening complication of this disease....

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Bibliographic Details
Published in:EJVES vascular forum 2021-01, Vol.52, p.26-29
Main Authors: Willems, Siem A., Buntinx, Maren, Gelinck, Luc B.S., van Schaik, Jan, Eefting, Daniël
Format: Article
Language:English
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Summary:Brucella is a genus of aerobic Gram negative bacteria that causes the disease brucellosis. It is considered a zoonotic infection transmitted to humans by ingestion of unpasteurised dairy products. Although aortic involvement is rarely seen, it can be a life threatening complication of this disease. This case report describes a ruptured aneurysm of the common iliac artery (CIA) due to secondary infection by Brucella melitensis. A 79 year old man with a known isolated aneurysm of the CIA presented with acute abdominal pain. Contrast enhanced computed tomography (CT) revealed rupture of the aneurysm. The patient underwent prompt endovascular repair. Several weeks after an uneventful recovery, the patient presented with spiking fever and abdominal discomfort. CT revealed an abscess anterior to the CIA. Blood and pus cultures grew B. melitensis. In recurrent re-admissions, conservative antibiotic therapy proved to be insufficient. Eventually, neo-aorto-iliac system (NAIS) reconstruction using bilateral femoral veins was performed to provide definitive treatment four months after initial presentation. Although Brucella infected aneurysms are rare, they are associated with life threatening disease. Diagnosing this type of brucellar infection can be challenging owing to the long incubation time needed for blood and tissue cultures. Definitive treatment of these aneurysms often needs open surgery and antibiotics for complete treatment. Vigilant surveillance is required to monitor for post-operative complications such as graft infection, recurrent (false) aneurysm, and abscess formation. •Brucella species are a genus of aerobic Gram negative bacteria.•Infected aneurysms caused by Brucella species are rare.•Although rare, this clinical condition is associated with life threatening disease.•Treatment consists of open surgery combined with antibiotic therapy.•Endovascular procedures can be used as bridge to surgery or as palliative therapy.
ISSN:2666-688X
2666-688X
DOI:10.1016/j.ejvsvf.2021.06.011