Value of ethyl glucuronide in plasma as a biomarker for recent alcohol consumption in the emergency roomAlcohol and Alcoholism Advance Access published online on May 25, 2008
This emergency department (ED) study compared the value
of plasma ethyl glucuronide (EtG) testing with the information
about alcohol consumption obtained using the standard alcohol
biomarkers gamma-glutamyltransferase (GGT) and carbohydrate-deficient
transferring (CDT) and the AUDIT questionnaire.
Out of the 81 patients, 23 (28%) were
positive (

8 points) on the AUDIT questionnaire. Only 3 (4%)
showed a detectable ethanol concentration (range 0.01–0.07 g/L)
but 31 (38%) showed a detectable EtG (0.16–39.5 mg/L).
In four patients, EtG was detectable in plasma for >48 h
after estimated completed elimination of ethanol. EtG was not
correlated with the long-term biomarkers %CDT or GGT, or the
AUDIT results, but with the time since estimated completed ethanol
elimination.
EtG testing in blood was found useful
in the ED as a way to detect recent drinking, even in cases
of a negative ethanol test, and to confirm abstinence from alcohol.
This sensitive and specific short-term biomarker provides valuable
additional information about individual drinking habits and
might also be helpful to identify an alcohol hangover.
Read Full Abstract
Request Reprint E-Mail: tim.neumann@charite.de
_________________________________________________________________________________