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Increased pedestrian mortality among the elderly.

D P Sklar1, G B Demarest, P McFeeley

  • 1Division of Emergency Medicine, University of New Mexico School of Medicine, Albuquerque 87131.

The American Journal of Emergency Medicine
|July 1, 1989
PubMed
Summary
This summary is machine-generated.

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Elderly pedestrians have a higher mortality rate after being struck by vehicles. They are more likely to die from hospital-acquired complications, suggesting a need for improved elderly care.

Area of Science:

  • Trauma surgery
  • Geriatric medicine
  • Public health

Background:

  • Motor vehicle-pedestrian accidents disproportionately affect the elderly, leading to higher mortality rates.
  • Elderly pedestrians exhibit increased vulnerability to severe injuries and fatalities compared to younger individuals.

Purpose of the Study:

  • To analyze age-specific injury severity and fatality rates in motor vehicle-pedestrian accidents.
  • To investigate the factors contributing to the higher mortality rate among elderly pedestrians.

Main Methods:

  • Retrospective analysis of 1,082 motor vehicle-pedestrian accidents in a metropolitan area over 5 years.
  • Evaluation of age-specific injury rates, fatality rates, and Injury Severity Scores (ISS) for fatally injured pedestrians.
  • Comparison of mortality rates and patterns between elderly (≥60 years) and younger (<60 years) pedestrian populations.

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Main Results:

  • Elderly pedestrians (≥60 years) had a substantially higher mortality rate (44.6%) than younger pedestrians (10.4%).
  • Fatalities among elderly pedestrians were more likely to occur in the hospital (52.5%) compared to younger victims (21.5%).
  • Mean Injury Severity Scores (ISS) were higher for pedestrians dying at the scene or in the emergency department than for those dying in the hospital.

Conclusions:

  • Elderly pedestrians face a higher risk of death following motor vehicle accidents, primarily due to increased in-hospital mortality.
  • Greater susceptibility to metabolic, surgical, and infectious complications may contribute to higher fatality rates in elderly patients.
  • Improving in-hospital intensive care services for the elderly could potentially reduce mortality rates in this vulnerable population.