Abstract
Transesophageal echocardiography (TEE) is a promising method for evaluating thoracic aortic atherosclerosis and coronary atherosclerosis. The highest impact of TEE as a clinical tool is in searching for cardiac embolic sources in patients with stroke and atrial fibrillation and in conducting detailed evaluations in patients with valvular disease, especially those with mitral valvular disease. However, it is also clinically useful in the evaluation of thoracic aortic atherosclerosis and coronary atherosclerosis. TEE is capable of evaluating thoracic aortic atherosis (intima-media complex thickness) and sclerosis (stiffness parameter β) simultaneously. In addition, TEE can evaluate coronary atherosclerosis by non-invasively revealing narrowing or occlusion of the coronary arteries and providing information about coronary flow reserve. TEE imaging has improved with the advent of harmonic imaging, multiplane probes, contrast agents, and three-dimensional TEE. Future technology, including integrated backscatter (IBS), tissue Doppler, and strain imaging, will lead to further improvements in TEE. Thoracic aortic atherosclerosis and coronary atherosclerosis assessment should be performed in any patient undergoing TEE. (Korean Circ J 2008;38:573-582)
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