Clinical utility of EEG in alcohol-related seizures

Acta Neurologica Scandinavica
T SandG Bovim

Abstract

To study if electroencephalogram (EEG) can discriminate between alcohol-related seizures (ARS) and seizures unrelated to alcohol use. Alcohol-related seizures was defined as a seizure in a patient with score > or = 8 in the Alcohol Use Disorders Identification Test (AUDIT). Twenty-seven patients with ARS (22 without epilepsy: ARSwE), 21 AUDIT-negative epileptic patients with seizures (ES), and 30 other AUDIT negative patients with seizures (OS) were studied. Thirty-seven epilepsy outpatients and 79 sciatica inpatients were controls. Epileptiform and slow activity were less frequent in the ARSwE than in the ES group. Alpha amplitude was lower in the ARSwE than the other groups. Photoparoxysmal activity was not observed. EEG was associated with a larger negative predictive value (78% probability of non-ARS if EEG was abnormal) than a positive predictive value (55% probability of ARS if EEG was normal). A definitely abnormal EEG suggests epilepsy or symptomatic seizures unrelated to alcohol. The predictive value of a normal EEG is limited, but the typical post-ictal finding in ARS is nevertheless a normal low-amplitude EEG record.

References

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Citations

May 3, 2012·The Neurologist·Pedro Beleza
Aug 2, 2005·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·G BråthenUNKNOWN EFNS Task Force on Diagnosis and Treatment of Alcohol-Related Seizures
Dec 24, 2005·Epilepsy Currents·Michael A Rogawski
Nov 27, 2010·Emergency Medicine Clinics of North America·David McMicken, Jonathan L Liss
Jul 16, 2010·Alcoholism, Clinical and Experimental Research·Trond SandGunnar Bovim
Oct 19, 2006·The Journal of Emergency Medicine·Niels K RathlevGail D'Onofrio
Sep 3, 2016·Acta Neurologica Scandinavica·S JesseA C Ludolph

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