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Related Experiment Videos

Public access defibrillation: a shocking idea?

M Woollard1

  • 1Pre-hospital Emergency Research Unit, University of Wales College of Medicine/Welsh Ambulance Services NHS Trust, Lansdowne Hospital, Cardiff. Malcolm.peru@ukgateway.net

Journal of Public Health Medicine
|July 14, 2001
PubMed
Summary

Early defibrillation by lay responders using automated external defibrillators (AEDs) significantly improves survival rates for out-of-hospital cardiac arrest. This public access defibrillation program offers a cost-effective solution to reduce cardiac arrest mortality.

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Area of Science:

  • Emergency medicine
  • Public health
  • Cardiology

Background:

  • Survival rates for out-of-hospital cardiac arrest (OHCA) in the UK are suboptimal.
  • Current ambulance response times may exceed the critical window for effective defibrillation.
  • A short time to defibrillation is crucial for improving OHCA outcomes.

Purpose of the Study:

  • To evaluate the effectiveness of a lay responder defibrillation program utilizing automated external defibrillators (AEDs).
  • To assess the potential impact of public access defibrillation on OHCA survival rates in England.
  • To determine the cost-effectiveness of lay responder AED programs.

Main Methods:

  • Analysis of lay responder AED programs with rapid response times.
  • Comparison of survival rates with traditional ambulance-equipped systems.

Related Experiment Videos

  • Calculation of OHCA incidence and potential lives saved in public places.
  • Cost-benefit analysis of the Department of Health's AED investment.

    • Main Results:

    • Lay responder AED programs with rapid defibrillation report survival to discharge rates up to 53%, significantly higher than traditional systems (6.4%).
    • Approximately 5,000 instances of ventricular fibrillation (VF) occur in public places annually in England.
    • An estimated 400 additional lives could be saved per year if half of these patients receive a shock within 4 minutes.
    • The estimated cost per life saved is approximately £505 over 10 years.

    Conclusions:

    • Lay responder AED programs represent a highly effective strategy for improving OHCA survival.
    • Public access defibrillation can significantly reduce mortality from cardiac arrest in public settings.
    • The program demonstrates a favorable cost-effectiveness, justifying further investment.