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Related Experiment Videos

Permanent cardiac pacemakers in the elderly

D E Bush1, T E Finucane

  • 1Department of Medicine, Johns Hopkins University School of Medicine, Francis Scott Key Medical Center, Baltimore, Maryland 21224.

Journal of the American Geriatrics Society
|March 1, 1994
PubMed
Summary

Pacemakers offer benefits for some elderly patients with cardiac issues, particularly dual-chamber devices. However, optimal use and cost-effectiveness require further study for complex pacing modalities.

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Area of Science:

  • Cardiology
  • Geriatrics
  • Biomedical Engineering

Background:

  • Aging affects cardiac impulse generation, conduction, and ventricular filling.
  • Pacemaker use is significantly higher in the elderly population.
  • Atrial contraction plays a crucial role in ventricular filling in older adults.

Purpose of the Study:

  • Review changes in cardiac function with aging and disease.
  • Examine pacemaker technology, guidelines, effectiveness, and utilization.
  • Evaluate the advantages of pacemakers in the elderly population.

Main Methods:

  • Medline search and review of bibliographies.
  • Consultation with pacemaker manufacturers for device information.
  • Analysis of existing literature on pacemaker technology and clinical studies.

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Main Results:

  • Dual-chamber pacemakers may reduce symptoms and improve survival in certain elderly patients.
  • Rate-responsive pacemakers enhance quality of life for some patients over 75.
  • Pacemaker utilization varies geographically, with cost-benefit trade-offs influencing decisions.

Conclusions:

  • Pacemakers provide clear benefits for some patients, but efficacy is uncertain for others.
  • Advanced pacing devices offer potential benefits but at a higher cost.
  • Further research is needed to identify patient groups that benefit most from complex pacing.