ABSTRACT
Introduction: Mycotic aneurysms are associated with high mortality rates and are managed in the local setting with extra-anatomical bypass followed by ligation, exclusion and debridement of the aneurysm. This is the first case of successful endovascular stenting in an immunocompromised patient with Salmonella mycotic aneurysm. Clinical Picture: A middle-aged man who was HIV positive had Salmonella septicaemia. He developed abdominal pain 5 days after admission and a computed tomography (CT) scan of the abdomen revealed infrarenal aortitis. He developed a mycotic aneurysm 3 weeks later. Treatment: He opted for endovascular stenting and after prolonged antibiotic therapy and negative blood cultures, he underwent the procedure using a TalentTM stent, with an iliac extension. Outcome: He was discharged 1 week after stenting and maintained on oral bactrim based on sensitivity. At 1-year follow-up, he remains well symptomatically and CT scan showed no endoleak or collection. Conclusion: Endovascular stenting, though a fairly new procedure, can be successfully deployed even in a mycotic aneurysm in the right setting.
Mycotic aortic aneurysm carries a high mortality and morbidity rate. Traditionally, such cases are treated with open surgery, including extra-anatomical or in-situ graft repair. A growing number of authors have reported the use of endovascular stenting as treatment for mycotic aneurysms. To our knowledge, this is the first case of mycotic aneurysm in Singapore treated with endovascular stenting.
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