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Transesophageal echocardiography of the descending thoracic aorta: establishing an accurate anatomic marker using the celiac artery.
MedLine Citation:
PMID:  21039811     Owner:  NLM     Status:  In-Process    
OBJECTIVE: We performed transesophageal echocardiography (TEE) and computed tomography (CT) on patients with aortic pathology to describe a more anatomically coherent marker on TEE studies by using the celiac artery as a reference.
BACKGROUND: As there are no anatomic markers for the eight-vertebrae long descending thoracic aorta, aortic disease (AD) is routinely reported as a distance from the dental incisors in TEE studies. This method does not provide an anatomically accurate location of AD relative to recognizable anatomy.
METHODS: Ten patients referred for contrast CT and TEE for evaluation of embolic events were studied. Twenty-seven focal aortic lesions found on TEE were measured relative to their distance from the celiac artery. The agreement among the two methods of quantification of aortic lesions from the celiac artery was assessed by univariate regression analysis and by the Bland-Altman method. Difference in the mean values between the two groups was analyzed by paired t-test.
RESULTS: The P value for the two-tailed t-test for the difference between the two modalities was 0.122. The Pearson coefficient for comparison of CT and TEE data was 0.98. The coefficient of determination for TEE versus CT data was 0.96.
CONCLUSIONS: The TEE CA reference marker proves to be an accurate method for localizing disease in the descending thoracic aorta relative to CT findings. Reporting of aortic disease relative to this marker is more clinically applicable than the current method of measurement. The CA reference marker should be routinely reported in TEE studies to enhance the diagnosis of aortic disease.
Samip Vasaiwala; Mladen I Vidovich; John Connolly; Leon Frazin
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Echocardiography (Mount Kisco, N.Y.)     Volume:  27     ISSN:  1540-8175     ISO Abbreviation:  Echocardiography     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511187     Medline TA:  Echocardiography     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1093-7     Citation Subset:  IM    
Copyright Information:
© 2010, Wiley Periodicals, Inc.
Brigham and Women's Hospital, Boston, Massachusetts, USA.
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