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Ethanol elimination rates in an ED population
D F Brennan1, S Betzelos, R Reed
1Department of Emergency Medicine, Orlando Regional Medical Center, FL 32806-2093, USA.
The American Journal of Emergency Medicine
|May 1, 1995
Summary
The average ethanol elimination rate in emergency department patients is 19.6 mg/dL/h. This study provides crucial data on alcohol metabolism in a clinical setting, aiding in the assessment of intoxicated individuals.
Area of Science:
- Emergency Medicine
- Toxicology
- Pharmacokinetics
Background:
- Accurate ethanol elimination rate knowledge is vital for assessing intoxicated patients.
- Limited research exists on ethanol elimination in emergency department (ED) populations.
- Previous studies focused on alcoholics or healthy controls, not typical ED patients.
Purpose of the Study:
- To prospectively assess the rate of ethanol elimination in an emergency department patient population.
- To address the gap in literature regarding alcohol metabolism in a clinical ED setting.
Main Methods:
- Prospective observational study involving 24 adult ED patients with suspected intoxication.
- Serial serum ethanol level measurements using a breathalyzer (Intoxilyzer 1400).
- Linear regression analysis to determine the ethanol elimination rate over time.
Main Results:
- Initial ethanol levels ranged from 58 to 447 mg/dL (mean 249 mg/dL).
- Patients were observed for an average of 4.4 hours.
- The mean ethanol elimination rate was determined to be 19.6 mg/dL/h (r = .83).
Conclusions:
- The study established a mean ethanol elimination rate of 19.6 mg/dL/h in the ED population.
- Time was the most significant predictor of ethanol level changes.
- Findings contribute essential pharmacokinetic data for emergency medicine practice.