Improved patient selection for cardiac resynchronization therapy by normalization of QRS duration to left ventricular dimension

This study evaluates the relative importance of two components of QRS prolongation, myocardial conduction velocity and travel distance of the electrical wave front (i.e. path length), for the prediction of acute response to cardiac resynchronization therapy (CRT) in left bundle branch block (LBBB) p...

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Bibliographic Details
Published in:Europace (London, England) England), 2017-09, Vol.19 (9), p.1508-1513
Main Authors: Zweerink, A, Wu, L, de Roest, G J, Nijveldt, R, de Cock, C C, van Rossum, A C, Allaart, C P
Format: Article
Language:English
Subjects:
Action Potentials
Aged
Bundle-Branch Block - diagnosis
Bundle-Branch Block - physiopathology
Bundle-Branch Block - therapy
Cardiac Resynchronization Therapy
Cardiac Resynchronization Therapy Devices
Clinical Decision-Making
Databases, Factual
Electrophysiologic Techniques, Cardiac
Female
Heart Conduction System - physiopathology
Heart Rate
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Patient Selection
Predictive Value of Tests
Retrospective Studies
Stroke Volume
Time Factors
Treatment Outcome
Ventricular Function, Left
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Summary:This study evaluates the relative importance of two components of QRS prolongation, myocardial conduction velocity and travel distance of the electrical wave front (i.e. path length), for the prediction of acute response to cardiac resynchronization therapy (CRT) in left bundle branch block (LBBB) patients. Thirty-two CRT candidates (ejection fraction
ISSN:1099-5129
1532-2092
DOI:10.1093/europace/euw265