Home Bratislava Medical Journal 2014 Bratislava Medical Journal Vol.115, No.3, p.168-170, 2014

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.564


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Bratislava Medical Journal Vol.115, No.3, p.168-170, 2014

Title: The importance of interictal electroencephalography in paroxysmal states
Author: B. Kollar, Z. Carnicka, P. Siarnik, L. Krizova, S. Sutovsky, P. Traubner, K. Klobucnikova


Introduction: Electroencephalography (EEG) is a non-invasive investigation method playing an important role in differential diagnostics of seizures. In this article authors point out to its importance, but also limitations.
Material and methods:

Native interictal EEG findings were evaluated in inpatients after solitary unprovoked epileptic seizures (n=84), patients with sporadic epileptic seizures (n=179), patients with “chronic“ epilepsy (n=324), outpatients with epilepsy (n=300), patients with syncope (n=100), patients with neurocardiogenic syncope (n=70), patients with migraine (n=100) and patients with tetanic syndrome (n=100).

EEG findings were evaluated as normal or abnormal and abnormal findings were further divided into epileptic and non-epileptic, focal and generalized.
Results: In native EEG, epileptic manifestations were registered in 14.29 % of patients after solitary unprovoked epileptic seizures, in 25.7 % of patients with sporadic epileptic seizures, in 37.34 % of patients with chronic epilepsy and in 32 % of outpatients with epilepsy. Interictal EEG abnormalities (epileptiform and non-epileptiform) in non-epileptic diagnoses were at least registered in patients with syncope, but also in this group abnormal findings occurred in 30 % of them. We registered epileptiform abnormalities in 5 % of patients with migraine, in 4 % of patients with tetanic syndrome and in 2 % of patients with syncope.
Conclusion: The diagnosis of epilepsy and non-epileptic seizures is a  only a clinical diagnosis. EEG is a very important investigational method in this group of patients, but still only additional (Tab. 4, Fig. 2, Ref. 14).

Keywords: electroencephalography, epileptic seizures, non-epileptic seizures.
Year: 2014, Volume: 115, Issue: 3 Page From: 168, Page To: 170

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