Ruptured tibioperoneal trunk aneurysm caused by hypermucoviscous invasive Klebsiella pneumoniae infection: A case report

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 c...

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Published inAnnals of vascular surgery. Brief reports and innovations Vol. 4; no. 2; p. 100287
Main Authors Ninomiya, Shintaro, Akai, Takafumi, Nishimura, Takanori, Furuya, Takatoshi, Nagai, Motoki
Format Journal Article
LanguageEnglish
Published Elsevier Inc 01.06.2024
Elsevier
Subjects
Coil embolization
Hypermucoviscous Klebsiella pneumoniae
Infrapopliteal pseudoaneurysm
Klebsiella pneumoniae
Tibioperoneal aneurysm
Coil embolization
Tibioperoneal aneurysm
CT
PA
Hypermucoviscous Klebsiella pneumoniae
Infrapopliteal pseudoaneurysm
hmKP
TP
PTA
Klebsiella pneumoniae
ATA
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Summary: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.
ISSN:2772-6878
2772-6878
DOI:10.1016/j.avsurg.2024.100287