Bouchez, Stefaan

D'Hooge, Jan

Heyde, Brecht

Houle, Helene

Vandenheuvel, Michaël

Wang, Yang

Wouters, Patrick

English

Ghent University Academic Bibliography

In-vivo validation of a new 3D myocardial strain estimation tool  Stefaan Bouchez1, Brecht Heyde2, Michael Vandenheuvel1, Yang Wang3, Helene Houle4,  Jan D’hooge2 and Patrick Wouters1  1 Department of Anesthesiology, Ghent University, Ghent, Belgium ; 2 Cardiovascular Imaging and Dynamics, University of  Leuven, Leuven, Belgium                                                     3 Siemens Corporate Research, Princeton, NJ, USA ; 4 Siemens Healthcare, Mountain View, CA, USA Study Protocol - Sternotomy and suspension heart pericardial cradle (sheep n:14) - Sonomicrometry Mid-Inferolateral wall (reference) - 3D echocardiographic measurements (Siemens SC2000) - Semi-automatic contour detection of LV borders at ED      - Automatic LV wall tracking - 18-segment model LV : ES strain values  - IL wall strain : Correlation echo vs sonomicrometry strain (4 stages) Results Conclusion: - accurate estimates C and L strain.  - less reliable for R strain ( correlation sonomicrometry )  Introduction Studying regional LV mechanics by echocardiography: 3D > 2D  - Avoid out-of-plane motion  - All myocardial strain components with one acquisition New 3D strain software: - Quantitative evaluation of LV function Analysis 47 (56) datasets  (excluded : 5 Ischemia, 2 Dobutamine, 2 Esmolol) Titration dp/dt -/+ 50%  (Millar)      R-strain       L-strain          C-strain Echo Strain   Crystal Strain        Crystal Strain       Crystal Strain  (r=0,49)                 (r=0,74)                 (r=0,91)            Echo Strain Echo Strain 

In-vivo validation of a new 3D myocardial strain estimation tool

https://biblio.ugent.be/publication/2972010/file/2977883.pdf

In-vivo validation of a new 3D myocardial strain estimation tool

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Ghent University Academic Bibliography