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Bicycle trauma and alcohol intoxication
Megan Y Harada1, Alexandra Gangi1, Ara Ko1
1The Department of Surgery, Division of Trauma and Critical Care, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
International Journal of Surgery (London, England)
|October 24, 2015
Summary
Alcohol intoxication in bicycle trauma patients does not increase injury burden but significantly decreases helmet use. Preventive strategies are needed for intoxicated cyclists to reduce crash-related injuries.
Area of Science:
- Trauma Surgery
- Emergency Medicine
- Public Health
Background:
- Bicycle trauma admissions are rising with increasing cycling popularity.
- The impact of alcohol on bicycle trauma injuries remains understudied.
Purpose of the Study:
- To investigate the effect of alcohol intoxication on injury severity in bicycle crash victims.
Main Methods:
- Retrospective review of 563 bicycle trauma patients over 10 years.
- Analysis of blood alcohol levels (BAL) and injury data.
- Comparison of outcomes based on BAL: negative, 0.01-0.16 g/dL, and >0.16 g/dL.
Main Results:
- 37% of tested patients were intoxicated (BAL ≥ 0.010 g/dL).
- Intoxicated cyclists were less likely to wear helmets (4.7% vs 22.2%) and involved in motor vehicle crashes.
- No significant difference in overall injury burden (ISS ≥ 16) or severe head injury (AIS Head ≥ 3) between intoxicated and non-intoxicated groups.
Conclusions:
- Alcohol intoxication in bicycle crashes does not increase injury severity but is associated with reduced helmet use.
- Intoxicated cyclists have a lower risk of motor vehicle collisions.
- Findings support targeted preventive strategies for intoxicated cyclists to improve safety.