Post coronary artery bypass graft surgery
Post coronary artery bypass graft surgery
Post coronary artery bypass graft surgery
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Normal values for ventricular synchrony measured by tissue<br />
Doppler imaging and tissue Doppler synchronization imaging<br />
in structurally normal hearts<br />
Sadeghian H, Saheb Jam M, Yamini Sharif A, Kazemisaied A, Fallah N, Goodarzynejad<br />
H and Raissi Dehkordi M<br />
Tehran Heart Center, Medical Sciences/University of Tehran, Tehran, Iran<br />
Abstract<br />
Background: We studied normal values for intraventricular and interventricular delay<br />
by tissue Doppler imaging (TDI) and tissue synchronization imaging (TSI).<br />
Methods: We evaluated 25 healthy adults volunteers (26.30±5.68 years, 16% male).<br />
Tissue Doppler Echocardiography was performed (system VIVID 7D, GE) using a 6-<br />
basal, 6 mid-segmental model to assess the time to peak systolic contraction (Ts). We<br />
also evaluated the right ventricle at basal and mid portion levels. We measured Ts both<br />
manually and with TSI.<br />
Results: Anterior basal and mid-portion had the shortest Ts and interventricular septum<br />
had the longest Ts with both methods. Correlation between manual and TSI method was<br />
significant (p
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