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  • Title: Endoleak Complicated by communicating psoas abscess and aorto-enteric fistula in an immunocompromised patient.
    Author: Linn YL, Ng NZP, Tang TY, Chong TT.
    Journal: Ann Vasc Surg; 2022 Jan; 78():378.e23-378.e29. PubMed ID: 34487807.
    Abstract:
    PURPOSE: While endovascular repair of aortic aneurysm (EVAR) has become the mainstay treatment for abdominal aortic aneurysm (AAA), it is not without its disadvantages. Feared complications include graft infections, fistulation and endoleak, the outcomes of which may be life limiting. CASE REPORT: We present a case of a 57 year-old patient with human immunodeficiency virus (HIV) previously treated with EVAR for AAA complicated by endoleak post treatment. He developed an aorto-psoas abscess 2 years later which harboured Mycobacterium avium complex, and medical therapy was unsuccessful. He eventually underwent an extra-anatomical bypass and graft explant, for which an aortoenteric fistula was also discovered and repaired. CONCLUSION: Infection of endografts post EVAR is relatively rare, and there are presently no guidelines concerning its management. The concomittance of aorto-psoas abscess and aortoenteric fistula is even more uncommon, and necessitated surgical explant for source control purposes in our patient. Lifelong surveillance is required for complications of the aortic stump and bypass patency.
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