{"title":"Ruptured tibioperoneal trunk aneurysm caused by hypermucoviscous invasive Klebsiella pneumoniae infection: A case report","authors":"Shintaro Ninomiya, Takafumi Akai, Takanori Nishimura, Takatoshi Furuya, Motoki Nagai","doi":"10.1016/j.avsurg.2024.100287","DOIUrl":null,"url":null,"abstract":"<div><p>Ruptured tibioperoneal trunk aneurysms are rare, and <em>Klebsiella pneumoniae</em> is seldom reported as a causative bacterium of infectious aneurysms. We report a case of tibioperoneal trunk pseudoaneurysm caused by hypermucoviscous <em>K. pneumoniae</em> infection. The aneurysm ruptured and bled into the abscess cavity of the lower leg. Endovascular coil embolization was performed, and the aneurysm was successfully excluded. After the procedure, collateral circulation was maintained, and infection was controlled. In the present case report, we describe a significant case history in which hypermucoviscous <em>K. pneumoniae</em> contributed to aneurysm formation and demonstrate the efficacy of coil embolization for treating infectious aneurysms.</p></div>","PeriodicalId":72235,"journal":{"name":"Annals of vascular surgery. Brief reports and innovations","volume":"4 2","pages":"Article 100287"},"PeriodicalIF":0.0000,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772687824000394/pdfft?md5=6bedb8d39b2a84c81e27ea3ee4f2f19a&pid=1-s2.0-S2772687824000394-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annals of vascular surgery. Brief reports and innovations","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2772687824000394","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Ruptured tibioperoneal trunk aneurysms are rare, and Klebsiella pneumoniae is seldom reported as a causative bacterium of infectious aneurysms. We report a case of tibioperoneal trunk pseudoaneurysm caused by hypermucoviscous K. pneumoniae infection. The aneurysm ruptured and bled into the abscess cavity of the lower leg. Endovascular coil embolization was performed, and the aneurysm was successfully excluded. After the procedure, collateral circulation was maintained, and infection was controlled. In the present case report, we describe a significant case history in which hypermucoviscous K. pneumoniae contributed to aneurysm formation and demonstrate the efficacy of coil embolization for treating infectious aneurysms.
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