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IRBM
Volume 26, n° 4
pages 282-284 (septembre 2005)
Doi : 10.1016/j.rbmret.2005.06.016
Détection des troubles de contractilité myocardique par suivi pariétal et régional en échocardiographie
Detection of myocardium contractility defect by parietal and regional tracking in echocardiography
 

C. Tilmant a, L. Sarry a, P. Motreff b, E. Geoffroy b, J.-R. Lusson b, J.-Y. Boire a,
a ERIM, faculté de médecine, BP 38, 63001 Clermont-Ferrand cedex 01, France 
b Service de cardiologie, CHU Gabriel-Montpied, Clermont-Ferrand, France 

*Auteur correspondant.
Abstract

In this paper, a method for the detection of myocardium contractility defect from transthoracic echocardiography is proposed. Speckle phenomenon is considered here as useful functional information and not only as a multiplicative noise. Its distribution and frequential characteristics are used to derive boundary and regional energy terms in order to track myocardium walls with deformable contour models. Moreover, ultrasound density is also estimated from speckle moments to calculate myocardial displacement field from the solution of an inverse continuity equation problem. The clinical feasibility of local and global indices and a prospective study for the multisite stimulation are presented.

The full text of this article is available in PDF format.

 Les auteurs remercient la société ACE Infos/Waid pour avoir financé ce travail via une convention CIFRE.



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