Mycotic aneurysms of the aorta are uncommon life-threatening lesions. Sporadic cases have been reported in adults after surgical intervention for native and recurrent coarctation of the aorta. We report a case of a rapidly progressive, large mycotic pseudoaneurysm in a 13-year-old boy 3 months after a bare-metal stent was used to treat native coarctation. The boy presented with slurred speech, bacteremia, and systemic septic embolization. During an emergency operation, the pseudoaneurysm was resected, and the infected aorta was replaced with an interposition graft. This rare complication may occur early or late after stent placement for coarctation of the aorta.
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