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Related Experiment Videos

[Cardiac resynchronization therapy and arrhythmias].

D Böcker1, R Gradaus

  • 1Universitätsklinik Münster, Medizinische Klinik und Poliklinik C, Albert-Schweitzer-Str. 33, 48129 Münster, Germany. bockerd@uni-muenster.de

Herzschrittmachertherapie & Elektrophysiologie
|April 13, 2005
PubMed
Summary

Cardiac resynchronization therapy (CRT) is an established treatment for heart failure patients with wide QRS complex. Studies show CRT does not increase ventricular arrhythmias and may even help atrial fibrillation convert to normal rhythm.

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Variations of heart rate variability parameters prior to the onset of ventricular tachyarrhythmia and sinus tachycardia in ICD patients. Results from the heart rate variability analysis with automated ICDs (HAWAI) registry.

Physiological measurement·2015

Area of Science:

  • Cardiology
  • Electrophysiology
  • Heart Failure Management

Context:

  • Cardiac resynchronization therapy (CRT) is a standard treatment for chronic heart failure with wide QRS complex.
  • Potential proarrhythmic effects of CRT have been a concern.
  • The impact of CRT on atrial fibrillation requires further understanding.

Purpose:

  • To evaluate the safety and efficacy of CRT regarding ventricular arrhythmias.
  • To investigate the effect of CRT on the conversion of persistent atrial fibrillation to sinus rhythm.

Summary:

  • Prospective studies indicate that CRT does not elevate the incidence of ventricular tachyarrhythmias.
  • CRT may facilitate the conversion of persistent atrial fibrillation to sinus rhythm in some patients.
  • The duration of atrial fibrillation might influence the success rate of conversion with CRT.

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Impact:

  • CRT is confirmed as a safe and effective therapy for heart failure patients.
  • CRT may offer additional benefits beyond synchronized ventricular contraction, including atrial rhythm management.
  • Findings support the continued use and potential expansion of CRT indications.