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Impact of pacing site on QRS duration and its relationship to hemodynamic response in cardiac resynchronization therapy for congestive heart failure.

Authors
  • Derval, Nicolas1
  • Bordachar, Pierre1
  • Lim, Han S1
  • Sacher, Frederic1
  • Ploux, Sylvain1
  • Laborderie, Julien1
  • Steendijk, Paul2
  • Deplagne, Antoine1
  • Ritter, Philippe1
  • Garrigue, Stephane1
  • Denis, Arnaud1
  • Hocini, Mélèze1
  • Haissaguerre, Michel1
  • Clementy, Jacques1
  • Jaïs, Pierre1
  • 1 Hopital Cardiologique du Haut Lévêque, CHU Bordeaux, Pessac, France. , (France)
  • 2 Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands. , (Netherlands)
Type
Published Article
Journal
Journal of Cardiovascular Electrophysiology
Publisher
Wiley (Blackwell Publishing)
Publication Date
Sep 01, 2014
Volume
25
Issue
9
Pages
1012–1020
Identifiers
DOI: 10.1111/jce.12464
PMID: 24891271
Source
Medline
Keywords
License
Unknown

Abstract

In our study, we have demonstrated that changes of QRSd during LV pacing correlated with acute hemodynamic response and that LV pacing location was a primary determinant of paced QRSd. Although QRSd did not predict the maximum hemodynamic response, our results confirm the link between electrical activation and hemodynamic response of the LV during CRT.

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