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  • Reproducibility of pulsed wave tissue Doppler annular velocities on different ultrasound machines = Ponovljivost pulzne tkivno doplerske ehokardiografije na različnih ultrazvočnih aparatih
    Tretjak, Martin ; Marolt, Apolon
    Annular velocities assessed by pulsed wave tissue Doppler echocardiography areknown to correlate well with ventricular systolic and diastolic function. It is not known weather different ultrasound ... machines and their settings have a significant influence on the reproducibility of annular velocities. Mitral and tricuspid annular velocities were measured in 25 patients aged 57 14 years in two consecutive studies conducted by two cardiologists using two different ultrasound machines (ATL HDI 5000 and Atoka ProSound Alpha 5) with individual instrument settings. Finally, the results of the two studies were compared. There were no significant differences between the two data sets. Thevariability was low for early diastolic mitrat annular velocity (2 13% at septal and 1 16% at lateral border with intraclass correlation coefficients 0.96 and 0.95). It was moderate and acceptable for other mitral annular velocities but higher and probably clinically unacceptable for tricuspid annular velocities. Pulsed wave tissue Doppler echocardiography enables reproducible measurements of mitral annular velocities. It was not significantly influenced by the different equipment and system settings used in our study.
    Vir: Slovenska kardiologija : znanstveno strokovna revija za področje srčno-žilne medicine. - ISSN 1581-8543 (Vol. 3, iss. 2, 2006, str. 144-147)
    Vrsta gradiva - članek, sestavni del
    Leto - 2006
    Jezik - angleški
    COBISS.SI-ID - 21965017

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