Document Detail

Evaluation of the elastic properties of the thoracic descending aorta with strain-rate measurement with transesophageal echocardiography: its correlation with the left ventricular diastolic function assessed with transthoracic echocardiography.
MedLine Citation:
PMID:  20610898     Owner:  NLM     Status:  MEDLINE    
Arterial stiffening may contribute to secondary myocardial dysfunction. The aim of this study was to assess the stiffness of the thoracic descending aorta (TDA) by performing strain-rate measurements with transesophageal echocardiography (TEE) and to examine the relation of the findings to left ventricular (LV) function. Eight patients (group I) without risk factors for arteriosclerosis and 52 patients (group II) with a high risk of arteriosclerosis underwent transthoracic echocardiography (TTE) and TEE simultaneously. The values of distensibility of the TDA (-SR) in groups I and II were -11.7 +/- 2.4 and -4.6 +/- 2.5, respectively (p<0.001), and the values of the recoil of the TDA (+SR) were 20.5 +/- 8.2 and 6.8 +/- 5.0, respectively (p<0.001). The LV ejection fraction showed no relation with -SR or +SR, but LV diastolic function (e' and E/e') was correlated with +SR (p=0.002 and p=0.046, respectively). Strain-rate measurements obtained with TEE were useful for evaluating impairment of the elastic properties of the TDA and the pathophysiologic mechanisms underlying the arterial-ventricular relationship.
Hiroshi Honma; Tadaaki Ohno; Hiroyuki Fujimoto; Tsuyako Matsuzaki; Hiroshige Murata; Kyoichi Mizuno
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of Nippon Medical School = Nippon Ika Daigaku zasshi     Volume:  77     ISSN:  1345-4676     ISO Abbreviation:  J Nippon Med Sch     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-07-08     Completed Date:  2010-09-13     Revised Date:  2012-09-25    
Medline Journal Info:
Nlm Unique ID:  100935589     Medline TA:  J Nippon Med Sch     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  145-54     Citation Subset:  IM    
Division of Cardiology, Hepatology, Geriatrics, and Integrated Medicine, Department of Internal Medicine, Graduate School of Medicine, Nippon Medical School, Sendagi, Bunkyo-ku, Tokyo, Japan.
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MeSH Terms
Aorta, Thoracic / metabolism*
Arteriosclerosis / pathology
Echocardiography / methods*
Echocardiography, Transesophageal / methods*
Heart Ventricles / pathology*
Middle Aged
Retrospective Studies
Stress, Mechanical
Ultrasonography, Doppler / methods
Ventricular Function, Left*

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