Kieran Murphy1, Wissam Al-Jundi, Shah Nawaz. 1. Northern General Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Herries Road, Sheffield, United Kingdom. Electronic address: kieran.murphy@nhs.net.
Abstract
INTRODUCTION: Infected abdominal aortic aneurysms (AAAs) can present insidiously with non-specific symptoms or they may present as ruptured AAA in the classical manner. PRESENTATION OF CASE: We report two cases of mycotic AAA with Listeria monocytogenes. One patient presented with a ruptured aneurysm, while the other patient had a symptomatic non-ruptured presentation with computer tomography (CT) angiogram demonstrating peri-aortic inflammatory change of a rapidly expanding aneurysm. Both patients were treated with excision of the infected tissue and inlay prosthetic surgical repair as well as long term antibiotics. DISCUSSION: Arterial aneurysms caused by L. monocytogenes are rare. Risk factors include immunosuppression, infective endocarditis, intravenous drug use and septicaemia. Listeria infections should be discussed with the Health Protection Agency and local microbiologists due to their ubiquity. CONCLUSION: Abdominal aortic aneurysm due to L. monocytogenes is best managed via surgical resection in combination with long term antimicrobial therapy. The role of endovascular exclusion is unclear.
INTRODUCTION: Infected abdominal aortic aneurysms (AAAs) can present insidiously with non-specific symptoms or they may present as ruptured AAA in the classical manner. PRESENTATION OF CASE: We report two cases of mycotic AAA with Listeria monocytogenes. One patient presented with a ruptured aneurysm, while the other patient had a symptomatic non-ruptured presentation with computer tomography (CT) angiogram demonstrating peri-aortic inflammatory change of a rapidly expanding aneurysm. Both patients were treated with excision of the infected tissue and inlay prosthetic surgical repair as well as long term antibiotics. DISCUSSION: Arterial aneurysms caused by L. monocytogenes are rare. Risk factors include immunosuppression, infective endocarditis, intravenous drug use and septicaemia. Listeria infections should be discussed with the Health Protection Agency and local microbiologists due to their ubiquity. CONCLUSION:Abdominal aortic aneurysm due to L. monocytogenes is best managed via surgical resection in combination with long term antimicrobial therapy. The role of endovascular exclusion is unclear.
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