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Cardiac resynchronization therapy.

William T Abraham1

  • 1Department of Internal Medicine, The Ohio State University College of Medicine, Columbus, OH 43210-1252, USA. abraham-1@medctr.osu.edu

Progress in Cardiovascular Diseases
|March 7, 2006
PubMed
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Cardiac resynchronization therapy (CRT) effectively treats heart failure with ventricular dyssynchrony. This therapy improves heart function, quality of life, and reduces mortality in patients with advanced heart failure.

Area of Science:

  • Cardiology
  • Biomedical Engineering

Background:

  • Left ventricular (LV) dyssynchrony impairs heart function in heart failure.
  • Dyssynchrony leads to reduced contractility, poor filling, and adverse clinical outcomes.

Purpose of the Study:

  • To evaluate the efficacy and safety of cardiac resynchronization therapy (CRT) for heart failure patients with ventricular dyssynchrony.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials and observational studies involving CRT.
  • Inclusion of over 4000 patients in randomized trials and thousands more in observational data.

Main Results:

  • CRT significantly improves LV structure and function.
  • CRT enhances New York Heart Association functional class, exercise tolerance, and quality of life.

Related Experiment Videos

  • CRT reduces morbidity and mortality in patients with New York Heart Association class III and IV heart failure.

    • Conclusions:

    • Cardiac resynchronization therapy is a safe and effective treatment for heart failure with ventricular dyssynchrony.
    • CRT offers substantial clinical benefits, including improved survival, for eligible patients.