NDLI: A clinical pilot study on the accessory pathway localization accuracy applying ECG mapping

Content Provider	IEEE Xplore Digital Library
Author	Modre, R. Tilg, B. Fischer, G. Hanser, F. Messnarz, B. Roithinger, F.X. Hintringer, F.
Copyright Year	2002
Description	Author affiliation: Univ. for Health Informatics & Technol. Tyrol, Innsbruck, Austria (Modre, R.; Tilg, B.; Fischer, G.; Hanser, F.; Messnarz, B.)
Abstract	Noninvasive imaging of cardiac electrophysiology provides in a noninvasive way information about electrical excitation. Our objective was to quantify the localization error of noninvasive activation time (AT) imaging by localizing an accessory pathway for a Wolff-Parkinson-White syndrome and a pacing site for left ventricle pacing. Anatomical data obtained by magnetic resonance imaging and electrocardiographic mapping enables the imaging of the AT map on the entire surface of the heart. The nonlinear inverse problem is solved by a sequence of linearized ill-posed problems. The localization accuracy in this clinical pilot study for localizing a single pacing site and an accessory pathway was 8 mm and 5 mm with a inaccuracy of this distance of 10 mm. The presented clinical pilot study shows that the proposed noninvasive activation time imaging approach permits the reconstruction of single focal events with sufficiently accuracy for potential clinical application.
Starting Page	1381
Ending Page	1382
File Size	189358
Page Count	2
File Format	PDF
ISBN	0780376129
ISSN	1094687X
DOI	10.1109/IEMBS.2002.1106440
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrocardiography Magnetic resonance imaging Catheters Radio frequency Heart Rhythm Biomedical informatics Hospitals Computer errors Inverse problems
Content Type	Text
Resource Type	Article

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