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Effect of Position Changes on Myocardial Velocity in Healthy Subjects Evaluated by Tissue Doppler Echocardiography*
MedLine Citation:
PMID:  21535120     Owner:  NLM     Status:  Publisher    
Objectives: This study designed to assess the effect of different positions of head of the bed on myocardial velocity by tissue Doppler echocardiography in healthy subjects. Methods: Thirty-nine healthy subjects (32 males/7 females, mean age 24.7 ± 4.9 years) were studied. Tissue Doppler imaging (TDI) was performed and velocities were recorded during systole (Sm) and early (Em) and late (Am) diastole at the tricuspid annulus, septum, and mitral annulus in the four-chamber view. Measurements were performed from different positions of left lateral decubitus (0°, 30°, and 60°). Repeated-measures general linear models were used to assess the change in myocardial velocities. Results: No significant difference between myocardial velocities was found at the mitral anulus and septal TDI recordings in the different angles of left lateral decubitus positions (P > 0.05). However, there were statistically significant difference among tricuspid anulus myocardial tissue velocities in these positions (P < 0.05). Conclusions: Tricuspid anulus myocardial tissue velocities may be significantly influenced by changing of position in healthy subjects. Effect of position changes should be considered in the assessment of these velocities. (Echocardiography, ****;**:1-4).
Omer Uz; Ejder Kardesoglu; Mehmet Uzun; Zafer Isilak; Omer Yiginer; Mustafa Aparcı; Namik Ozmen; Bekir Sitki Cebeci
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-29
Journal Detail:
Title:  Echocardiography (Mount Kisco, N.Y.)     Volume:  -     ISSN:  1540-8175     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-5-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511187     Medline TA:  Echocardiography     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011, Wiley Periodicals, Inc.
GATA Haydarpasa Training Hospital, Department of Cardiology, Istanbul, Turkey.
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