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Related Experiment Videos

Advanced life support vs basic life support field care: an outcome study

J S Eisen1, I Dubinsky

  • 1Queen's University Faculty of Medicine, Kingston, Ontario, Canada.

Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine
|July 11, 1998
PubMed
Summary

Advanced life support (ALS) field care did not improve patient outcomes compared to basic life support (BLS) in urban emergency medical services. This study found no significant differences in hospital length of stay or admission rates between ALS and BLS interventions.

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Area of Science:

  • Emergency Medicine
  • Pre-hospital Care
  • Health Services Research

Background:

  • The effectiveness of advanced life support (ALS) in pre-hospital emergency care is a critical area of study.
  • Understanding the impact of ALS versus basic life support (BLS) on patient outcomes in diverse urban settings is essential for resource allocation and quality improvement.

Purpose of the Study:

  • To evaluate the impact of ALS field care on patient outcomes within an urban Canadian emergency medical services environment.
  • To compare the effectiveness of ALS interventions against BLS in a non-trauma center setting.

Main Methods:

  • A convenience cohort study analyzed emergent adult ambulance transfers to an urban Canadian hospital.
  • Data were collected from ambulance reports and hospital records, comparing outcomes (ED LOS, hospital LOS, admission rates) between BLS and ALS groups across various presenting complaints.

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  • Patient outcomes were stratified by field care level: BLS (Level 1) versus ALS (Levels 2 and 3).

    • Main Results:

    • The study included 1,397 patients, with no significant baseline demographic differences between BLS and ALS groups.
    • No significant differences in ED triage scores, ED length of stay (LOS), admission rates, or hospital LOS were observed between BLS and ALS patients across presenting complaint groups.
    • Trends suggested no difference in discharge dispositions between the two care levels.

    Conclusions:

    • The provision of ALS field care showed no measurable benefit on patient outcomes compared to BLS in Metropolitan Toronto for patients transported to a non-trauma center.
    • Findings suggest that for this specific urban environment and patient population, ALS interventions did not lead to improved clinical outcomes.