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Maximizing QRS duration reduction in contemporary cardiac resynchronization therapy is feasible and shorter QRS duration is associated with better clinical outcome.

Rasmus BorgquistSofia MarinkoPyotr G PlatonovLingwei WangUzma ChaudhryJohan BrandtDavid Mörtsell
Published in: Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing (2023)
Implementing a general strategy of CRT device optimization by aiming for shorter QRS duration is feasible in a structured clinical setting and results in larger reductions in QRS duration post-implant. In patients with a larger QRS reduction, compared to those with a smaller QRS reduction, there is an association with a better clinical outcome.
Keyphrases
  • cardiac resynchronization therapy
  • left ventricular
  • heart failure