Mycotic inferior mesenteric artery aneurysm secondary to native valve endocarditis caused by coagulase-negative staphylococcus

Melissa L. Kirkwood, Martyn Knowles, J. Gregory Modrall, R. James Valentine

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2 Scopus citations

Abstract

Inferior mesenteric artery (IMA) aneurysms are the rarest of all visceral artery aneurysms, with most resulting from atherosclerotic disease. Mycotic IMA aneurysms are exceptionally uncommon and only 2 cases have been reported in the literature. Coagulase-negative staphylococcus (CNS) is often considered a contaminant; however, increasing reports of certain strains causing endocarditis are becoming more prevalent. We report a case of a mycotic IMA aneurysm, in the setting of native valve endocarditis caused by Staphylococcus simulans, a strain of CNS. To our knowledge, this is the third report of a mycotic IMA aneurysm, and the first account of this usually benign pathogen leading to aneurysmal degeneration in this location.

Original languageEnglish (US)
JournalAnnals of Vascular Surgery
Volume28
Issue number5
DOIs
Publication statusPublished - 2014

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ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Surgery

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