This case highlights the ascending aorta as a potential unusual source of peripheral arterial embolism and demonstrates the utility of TEE for diagnosis and subsequent remedial surgery.
May support TEE for rare aortic thrombus detection; leaves open routine use pending larger studies.
A 45-year-old man experienced arterial thromboembolism to the right leg requiring surgical restoration of blood flow. Transesophageal echocardiography (TEE) was performed to determine the source of embolism and identified a localized atherosclerotic lesion in the distal ascending aorta with an adherent, highly mobile thrombus. The patient underwent surgery with removal of the atherosclerotic plaque and attached thrombus, and resection of the adjacent aortic wall. This case illustrates an unusual location for a complex atherosclerotic lesion in the ascending aorta, and points out the opportunity for remedial surgery once a symptomatic embolus has occurred.
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Brandt et al. (2001) studied this question.
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