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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.
Ninomiya et al. (Tue,) studied this question.
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