Original Article

The Role of Preoperative Transesophageal Echocardiography in Acute Aortic Dissection

Seong-Hoon Park*, Tae-Hee Won**, Yong-Soon Won**, Jae-Jin Han**, Jae-Ho Ahn**, Guie-Young Lee***
Author Information & Copyright
*Department of Internal Medicine, Medical Research Center, College of Medicine, Ewha Womans University, Korea.
**Department of Thoracic Surgery, Medical Research Center, College of Medicine, Ewha Womans University, Korea.
***Department of Anesthesiology, Medical Research Center, College of Medicine, Ewha Womans University, Korea.

Copyright ⓒ 1999. Ewha Womans University School of Medicine. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Published Online: Mar 30, 1999


Acute type A arotic dissection is a condition which requires emergency surgery. Surgeons want to know not only the extent of the disease but also the exact site of intimal tear as well as the presence of side branch involvement to plan the extent of surgery. Various non-invasive diagnostic tools(transthoracic and transesophageal echocardiography, conventional and spiral computed tomography and magnetic resonance imaging) and invasive angiography are available for the evaluation of the extent of dissection, site of intimal tear and side branch involvement. Each technique has its advantage and disadvantage. Especially, MRI has been accepted as a gold standard for the diagnosis of aortic dissection, but it is immobile and sometimes it cannot give us the information about the small intimal tear site. Transesophageal echocardiography has the advantage of movability and high resolution in addition to the ability of providing comprehensive information about the cardiac function. Because of these advantages, it has been widely utilized for the evaluation of patients with aortic dissection. We performed preoperative transesophageal echocardiography in addition to computed tomography in 3 cases of acute type A aortic dissection and report these cases with the review of articles.

Keywords: Aortic dissection; Transesophageal echocardiography; Computed tomography


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