Relationship between QRS duration and left ventricular dyssynchrony in patients with end-stage heart failure.

@article{Bleeker2004RelationshipBQ,
  title={Relationship between QRS duration and left ventricular dyssynchrony in patients with end-stage heart failure.},
  author={Gabe B. Bleeker and Martin Jan Schalij and Sander G Molhoek and Harriette F Verwey and Eduard R. Holman and Eric Boersma and Paul Steendijk and E. E. van der Wall and Jeroen J. Bax},
  journal={Journal of cardiovascular electrophysiology},
  year={2004},
  volume={15 5},
  pages={544-9}
}
INTRODUCTION Patients with end-stage heart failure and a wide QRS complex are considered candidates for cardiac resynchronization therapy (CRT). However, 20% to 30% of patients do not respond to CRT. Lack of left ventricular dyssynchrony may explain the nonresponse. Accordingly, we evaluated the presence of left ventricular dyssynchrony using tissue Doppler imaging (TDI) in 90 consecutive patients with heart failure. METHODS AND RESULTS Ninety patients with severe heart failure (left… CONTINUE READING

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