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Related Experiment Videos

Pacemakers and defibrillators for congestive heart failure.

D Mehta1, M N Langan, J Banker

  • 1Clinical Cardiac Electrophysiology Lab, Department of Cardiology, Mt. Sinai Hospital and School of Medicine, Box 1050, One Gustave L. Levy Place, New York, NY 10029, USA. Davendra.Mehta@MSSM.edu

Current Cardiology Reports
|February 15, 2001
PubMed
Summary

Pacemakers are being investigated to improve heart failure hemodynamics. Current research focuses on advanced pacing techniques and implantable cardioverter defibrillators for preventing sudden cardiac death in heart failure patients.

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Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Medical therapy is standard for heart failure (HF).
  • Pacemaker use for HF hemodynamics is under investigation.
  • Sudden cardiac death (SCD) causes 50% of HF deaths.

Purpose of the Study:

  • Evaluate VDD/DDD pacing for congestive heart failure (CHF).
  • Investigate left-sided or biventricular pacing for CHF.
  • Assess implantable cardioverter defibrillators (ICDs) for primary SCD prevention in CHF.

Main Methods:

  • Controlled studies on VDD/DDD pacing.
  • Ongoing randomized trials for advanced pacing.
  • Active evaluation of ICDs for primary SCD prevention.

Main Results:

Related Experiment Videos

  • VDD/DDD pacing benefits in non-selected CHF patients not verified.
  • Early studies suggest favorable hemodynamic effects from left/biventricular pacing.
  • ICD value for secondary SCD prevention is established.

Conclusions:

  • Further controlled studies are needed for VDD/DDD pacing efficacy.
  • Left/biventricular pacing shows promise for CHF hemodynamics.
  • Large trials are evaluating ICDs and biventricular pacing for CHF management and SCD prevention.