Paced left ventricular QRS width and ECG parameters predict outcomes after cardiac resynchronization therapy: PROSPECT-ECG substudy.

@article{Hsing2011PacedLV,
  title={Paced left ventricular QRS width and ECG parameters predict outcomes after cardiac resynchronization therapy: PROSPECT-ECG substudy.},
  author={Jeff M. Hsing and Kimberly A. Selzman and Christophe Leclercq and Luis Antonio Gaieski Pires and Michael G McLaughlin and Scott E McRae and Brett J. Peterson and Peter J. Zimetbaum},
  journal={Circulation. Arrhythmia and electrophysiology},
  year={2011},
  volume={4 6},
  pages={851-7}
}
BACKGROUND For patients with symptomatic New York Heart Association class III or IV, ejection fraction ≤ 35%, and QRS ≥ 130 ms, cardiac resynchronization therapy (CRT) has become an established treatment option. However, use of these implant criteria fails to result in clinical or echocardiographic improvement in 30% to 45% of CRT patients. METHODS AND RESULTS The Predictors of Response to CRT (PROSPECT)-ECG is a substudy of the prospective observational PROSPECT trial. ECGs collected before… CONTINUE READING
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