Evidence Based Survey of the Distribution Volume of Ethanol; Comparison of Empirically Determined Values with Anthropometric Measures
The Widmark equation is commonly used when blood alcohol calculations are required in forensic and legal medicine, such as in road-traffic cases and alcohol-related deaths. An important biological variable in this connection is the volume of distribution (Vd) of ethanol, which is commonly referred to as the rho-factor. Although a person’s Vd can be determined empirically through controlled drinking experiments, this approach is not very practical in reality. For this reason, a number of anthropometric equations have been developed that utilize sex, age, height and weight to estimate the person’s total body water (TBW) and hence Vd of ethanol. To date, there aren’t any studies that compare Vd derived from anthropometric data with robust values measured empirically. From the literature the authors compiled information about the Vd of ethanol from drinking studies with 173 Caucasian males and 63 Caucasian females from Western Europe. These empirically derived values of Vd were then compared with estimates derived from various anthropometric equations. In males the Watson, Watson and Batt regression equation involving age, height and weight gave the most accurate results (bias was 0.00L/Kg) and 95% confidence limits (CI) were±0.13L/Kg. The equation derived by Forrest, which took into consideration a person’s body mass index (BMI), gave the best estimates of Vd for females; mean bias −0.01L/Kg and 95% CI±0.15L/Kg.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/oclc/38876853
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Supplemental Notes:
- © 2018 Published by Elsevier B.V. Abstract reprinted with permission of Elsevier.
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Authors:
- Maskell, Peter D
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0000-0003-3801-9658
- Jones, A Wayne
- Savage, Anne
- Scott-Ham, Michael
- Publication Date: 2019-1
Language
- English
Media Info
- Media Type: Web
- Features: References;
- Pagination: pp 124-131
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Serial:
- Forensic Science International
- Volume: 294
- Issue Number: 0
- Publisher: Elsevier
- ISSN: 0379-0738
- EISSN: 1872-6283
- Serial URL: http://fsijournal.org/
Subject/Index Terms
- TRT Terms: Anthropometry; Blood alcohol levels; Drunk driving; Estimating; Laboratory tests
- Identifier Terms: Body Mass Index
- Subject Areas: Highways; Safety and Human Factors;
Filing Info
- Accession Number: 01687220
- Record Type: Publication
- Files: TRIS
- Created Date: Nov 28 2018 9:21AM