Abstract
Alcohol misuse is a global challenge accounting to many loss of lives and to significant economical costs. Generally, traditional alcohol markers have low alcohol specificity, resulting both in false positives due to a number of physiological disorders and in false negative diagnosis due to their poor sensitivities. On the other hand, direct alcohol markers are more specific, but have other limitations. Ethyl glucuronide in hair (EtGH) fulfills almost all criteria for an ideal alcohol biomarker. The essential pre-analytical aspects involved in the measurement of EtGH, the major analytical improvements involved in its detection and selected aspects to ensure high quality, legally defensible results are illustrated. An extensive number of factors which may play a role in the interpretation of EtGH results, including the establishment of cut-offs for EtGH, the correlation of EtGH to the amount of alcohol ingested, the stability of EtGH, the various mechanisms proposed for the incorporation and elimination of EtGH, natural hair color, shampooing, cosmetic treatment, and environmental factors are discussed. For people lacking head hair, EtG was also determined in other non-head body hair. EtGH is a test already in routine use in different areas; these indications of EtGH and potential ones are illustrated as well.
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Abbreviations
- ALT:
-
Alanine aminotransferase
- AST:
-
Aspartate aminotransferase
- BMI:
-
Body mass index
- CDT:
-
Carbohydrate deficient transferrin
- EDI:
-
Ethanol daily intake in g/day
- EtG:
-
Ethyl glucuronide
- EtGH:
-
Ethyl glucuronide in head hair
- FAS:
-
Fetal alcohol syndrome
- GC-MS:
-
Gas chromatography - mass spectrometry
- GC-MS-NCI:
-
Gas chromatography - mass spectrometry - negative chemical ionisation
- GGT:
-
γ-glutamyltransferase
- LC-MS/MS:
-
Liquid chromatography - tandem mass spectrometry
- LOD:
-
Limit of detection
- LOQ:
-
Limit of quantitation
- MCV:
-
Mean corpuscular volume
- MPA:
-
Medical-psychological assessment
- SPE:
-
Solid phase extraction
- SPME:
-
Solid phase micro-extraction
- WHO:
-
World Health Organization
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Agius, R. (2012). Ethyl glucuronide in hair and alcohol misuse. In: Preedy, V.R. (eds) Handbook of hair in health and disease. Human Health Handbooks no. 1, vol 1. Wageningen Academic Publishers. https://doi.org/10.3920/978-90-8686-728-8_13
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DOI: https://doi.org/10.3920/978-90-8686-728-8_13
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