Psoas abscess associated with aortic endograft infection caused by bacteremia of Listeria monocytogenes
Open Access
- 1 November 2019
- journal article
- review article
- Published by Ovid Technologies (Wolters Kluwer Health) in Medicine
- Vol. 98 (45), e17885
- https://doi.org/10.1097/md.0000000000017885
Abstract
Rationale: Endograft infection following endovascular stent for aortic aneurysm is rare (0.6%–3%), but it results in high mortality rate of 25% to 88%. Patient concerns: A 66-year-old hypertensive man underwent an endovascular stent graft for abdominal aortic aneurysm 18 months ago. Recurrent episodes of fever, chills, and abdominal fullness occurred 6 months ago before this admission. Laboratory data showed 20 mg/dL of C-reactive protein and abdominal computed tomography (CT) revealed an aortic endoleak at an urban hospital, so 4-day course of intravenous (IV) amoxicillin/clavulanic acid was given and he was discharged after fever subsided. He was admitted to our hospital due to fever, chills, and watery diarrhea for 1 day. Abdominal CT showed left psoas abscess associated with endograft infection. Blood culture grew Listeria monocytogenes. Diagnosis: Left psoas abscess associated with endograft infection caused by bacteremia of Listeria monocytogenes. Interventions: IV ampicillin with 8 days of synergistic gentamicin was prescribed and it created satisfactory response. Ampicillin was continued for 30 days and then shifted to IV co-trimoxazole for 12 days. Outcomes: He remained asymptomatic with a decline of CRP to 0.36 mg/dL and ESR to 39 mm/h. He was discharged on the 44th hospital day. Orally SMX/TMP was prescribed for 13.5 months. Lessons: Only few cases of aortic endograft infection caused by Listeria monocytogenes had been reported. In selected cases, particularly with smoldering presentations and high operative risk, endograft retention with a prolonged antimicrobial therapy seem plausible as an initial therapeutic option, complemented with percutaneous drainage or surgical debridement if necessary.Keywords
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