Infected aortic aneurysm (IAA) is a rare, life-threatening disease with rapid progression and a high mortality rate. An 84-year-old man developed IAA caused by urosepsis owing to extended-spectrum β-lactamase–producing Escherichia coli infection. Considering surgical risk and perioperative mortality, the patient underwent computed tomography–guided percutaneous abscess drainage and continuous irrigation with optimal antibiotic therapy. We controlled his systemic inflammation without surgery; thus, he was discharged. Six months later, we confirmed that the abscess had almost disappeared in the follow-up computed tomography scan. Percutaneous abscess drainage and irrigation may be an effective therapeutic option for surgical high-risk patients with IAA.
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