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Related Experiment Videos

Implantable device therapy.

Ilan Goldenberg1, Arthur J Moss

  • 1Cardiology Division of the Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA. ilan.goldenberg@heart.rochester.edu

Progress in Cardiovascular Diseases
|May 14, 2008
PubMed
Summary
This summary is machine-generated.

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Implantable cardioverter defibrillators (ICDs) and cardiac resynchronization therapy (CRT) improve survival for sudden cardiac death (SCD) and heart failure. However, uncertainties remain regarding specific patient groups and device efficacy.

Area of Science:

  • Cardiology
  • Medical Devices
  • Electrophysiology

Background:

  • Sudden cardiac death (SCD) is a major cause of mortality, often linked to coronary heart disease and cardiomyopathy.
  • Implantable cardioverter defibrillators (ICDs) and cardiac resynchronization therapy (CRT) have become crucial in managing cardiac conditions.

Observation:

  • Randomized trials demonstrate significant survival benefits from ICD therapy in preventing SCD.
  • Device therapy, including ICDs, CRT, and CRT-D, is increasingly used for both primary and secondary prevention of SCD and heart failure.

Findings:

  • While ICD and CRT therapies offer substantial benefits, their efficacy varies in specific patient subgroups, particularly those with low ejection fraction.
  • Potential risks include increased heart failure incidence and device malfunctions, despite technological advancements.

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Implications:

  • Further research is needed to refine clinical indications for implantable device therapy.
  • Optimizing patient selection and device performance is crucial for maximizing therapeutic benefits and minimizing risks.