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Effect of Position Changes on Myocardial Velocity in Healthy Subjects Evaluated by Tissue Doppler Echocardiography.

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 (TD...

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Published in:Echocardiography Vol. 28; no. 5; pp. 516 - 520
Main Authors: Uz, Omer, Kardesoglu, Ejder, Uzun, Mehmet, Isilak, Zafer, Yiginer, Omer, Aparcı, Mustafa, Ozmen, Namik, Cebeci, Bekir Sitki
Format: pictorial research tables/charts Journal Article
Published: Wiley-Blackwell May2011
Online Access:View this record in EBSCOhost
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      dt: May2011
      vid: 28
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      pub: Wiley-Blackwell
      place: Malden, Massachusetts
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        10.1111/j.1540-8175.2011.01389.x
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        atl: Effect of Position Changes on Myocardial Velocity in Healthy Subjects Evaluated by Tissue Doppler Echocardiography.
      aug:
        au:
          Uz, Omer
          Kardesoglu, Ejder
          Uzun, Mehmet
          Isilak, Zafer
          Yiginer, Omer
          Aparcı, Mustafa
          Ozmen, Namik
          Cebeci, Bekir Sitki
        affil: GATA Haydarpasa Training Hospital, Department of Cardiology, Istanbul, Turkey
      sug:
        subj:
          Echocardiography, Doppler Methods
          Blood Flow Velocity Physiology
          Body Positions
          Coronary Circulation Physiology
          Human
          Male
          Female
          Descriptive Statistics
          Young Adult
          Adult
          Repeated Measures
          Data Analysis Software
          Adult: 19-44 years
          Male
          Female
      ab: 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 2011;28:516-519)
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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