Mycotic innominate artery pseudoaneurysm complicating mitral endocarditis

A 59-year-old man developed a fast-growing mycotic innominate artery pseudoaneurysm complicating medically-treated mitral endocarditis caused by methicillin-susceptible Staphylococcus aureus. The pseudoaneurysm was revealed by ultrasound of the supra-aortic trunks and confirmed by magnetic resonance angiography (Fig. 1). The surgical treatment was performed with resection of the pseudoaneurysm and vascular reconstruction using cryopreserved arterial homografts (Fig. 2).