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Multiscale Motion Mapping (Triple-M Imaging) for Color-Coded Analysis of Stress Echocardiograms

C.H. Jansen, M. Sühling, M. Arigovindan, M. Unser, P.T. Buser, P. Hunziker

Proceedings of the Fifty-Second Annual Scientific Session of the American College of Cardiology (ACC'03), Chicago IL, USA, March 30-April 2, 2003, Journal of the American College of Cardiology, vol. 41, no. 6, supp. 2, pp. 426A, March 19, 2003.


Background: Echocardiographic evaluation of coronary heart disease mainly depends on subjective analysis of multiple ultrasound loops during exercise test. Although more quantitative methods have been introduced recently the clinical usage of tissue Doppler imaging and border detection algorithms in daily routine are limited for various reasons.

Methods: Multiscale Motion Mapping (“Triple-M Imaging”) is a novel imaging modality for measurement of motion in echocardiograms. In opposite to tissue Doppler or endocardial border detection algorithms the use of all available greyscale information yields quantitative motion maps which are neither angle dependent nor limited to endocardial visibility. To test feasibility and accuracy we analysed 64 segments in ultrasound sequences of dogs with artificially induced infarction. Segmental motion was compared to predefined location of infarction.

Results: Segmental motion became visible in all 64 Segments ranging from blue for movement in opposite direction o center point) to red for inner movement. The location of dyskinetik, blue coloured segments corresponded well with anatomical location of artificially induced infarction (Chi-Square Test: p < 0.001).

Conclusion: Colour-coded analysis of stress echocardiograms allows simplified evaluation of coronary heart disease in comparison to subjective image analysis and provides the possibility for further quantification of wall motion abnormalities.

AUTHOR="Jansen, C.H. and S{\"{u}}hling, M. and Arigovindan, M. and
        Unser, M. and Buser, P.T. and Hunziker, P.",
TITLE="Multiscale Motion Mapping (Triple-{M} Imaging) for Colour-Coded
        Analysis of Stress Echocardiograms",
BOOKTITLE="Fifty-Second Annual Scientific Session of the American
        College of Cardiology ({ACC'03})",
volume="41, no. 6, supp. 2, March 19, 2003",
series="Journal of the American College of Cardiology",
address="Chicago IL, USA",
month="March 30-April 2,",

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