NDLI: Data fusion of left ventricle Electro-Anatomic Mapping and Multislice Computerized Tomography for Cardiac Resynchronisation Therapy optimization

Content Provider	IEEE Xplore Digital Library
Author	Tavard, F. Simon, A. Leclercq, C. Mabo, P. Hernandez, A. Garreau, M.
Copyright Year	2009
Description	Author affiliation: INSERM, U642, Rennes, F-35000, France (Tavard, F.; Simon, A.; Leclercq, C.; Mabo, P.; Hernandez, A.; Garreau, M.)
Abstract	Cardiac Resynchronization Therapy is a treatment for bi-ventricular asynchronism. It can be optimized by the identification of the most effective pacing sites. The aim of this study is to provide a helpful tool to perform this identification by the fusion of electrical and anatomical information resulting from Electro-Anatomic Mapping (EAM) data and Multislice Computerized Tomography (MSCT) imaging. EAM data provide an approximation of the left ventricle (LV) 3D-surface (SEAM). Left cardiac chambers are segmented from MSCT imaging and surfaces are reconstructed (SCT ). In order to represent this information in a unified framework, a three steps method is proposed: (1) the LV is separated from the left auricle on SCT providing S'CT ; (2) a semi-automatic rigid registration method is applied to SEAM and S'CT ; (3) activation time delays are estimated on S'CT from the EAM data. This method results in a graphical interface offering to clinicians means to identify abnormal electrical activity sites.
Starting Page	613
Ending Page	616
File Size	2814483
Page Count	4
File Format	PDF
ISBN	9781424472819
ISSN	02766547
e-ISBN	9781424472826
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Computed tomography Medical treatment Cardiology Cathode ray tubes Myocardium Image segmentation Iterative closest point algorithm Surface reconstruction Image reconstruction Electric variables measurement
Content Type	Text
Resource Type	Article

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