Annals of Indian Academy of Neurology
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ORIGINAL ARTICLE
Year : 2013  |  Volume : 16  |  Issue : 4  |  Page : 530-533

Clinical profile of patients with nascent alcohol related seizures


1 Department of Neurology, Government Medical College, Trivandrum, Kerala, India
2 Department of Internal Medicine, Government Medical College, Trivandrum, Kerala, India

Correspondence Address:
Ajith Cherian
Department of Neurology, Government Medical College, Trivandrum, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-2327.120454

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Aim: The aim of this study is to characterize the clinical profile of patients with alcohol related seizures (ARS) and to identify the prevalence of idiopathic generalized epilepsy (IGE) in the same. Materials and Methods: 100 consecutive male patients presenting to a tertiary care center in South India with new onset ARS were analyzed with alcohol use disorders identification test (AUDIT) score. All underwent 19 channel digital scalp electroencephalography (EEG) and at least computed tomography (CT) scan. Results: A total of 27 patients (27%) who had cortical atrophy on CT had a mean duration of alcohol intake of 23.62 years compared with 14.55 years in patients with no cortical atrophy (P < 0.001). Twenty-two patients (22%) had clustering in the current episode of whom 18 had cortical atrophy. Nearly, 88% patients had generalized tonic clonic seizures while 12% who had partial seizures underwent magnetic resonance imaging (MRI), which identified frontal focal cortical dysplasia in one. Mean lifetime duration of alcohol intake in patients presenting with seizures within 6 hours (6H-gp) of intake of alcohol was significantly lower (P = 0.029). One patient in the 6H-gp with no withdrawal symptoms had EEG evidence for IGE and had a lower AUDIT score compared with the rest. Conclusion: CT evidence of cortical atrophy is related to the duration of alcohol intake and portends an increased risk for clustering. Partial seizures can be a presenting feature of ARS and those patients may benefit from MRI to identify underlying symptomatic localization related epilepsy (8.3% of partial seizures). IGE is more likely in patients presenting with ARS within first 6 hours especially if they do not have alcohol withdrawal symptoms and scalp EEG is helpful to identify this small subgroup (~1%) who may require long-term anti-epileptic medication.


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