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KMID : 1031120210110010056
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Journal of Epilepsy Research
2021 Volume.11 No. 1 p.56 ~ p.62
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Electroencephalogram versus Magnetic Resonance Imaging Brain as the Initial Investigation of Choice in Neurologically Normal Children with First Afebrile Seizure in India
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Bagla Jyoti
Kaur Harpreet
Singhal Anu
Mishra Devendra
Kumari Sweta
Dubey Anand Prakash
Soneja Sandhya
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Abstract
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Background and Purpose: To compare the rates of clinically relevant information provided by electroencephalogram (EEG) and magnetic resonance imaging (MRI) brain in first afebrile seizure (FAS) in children.
Methods: In this prospective randomized controlled trial, neurologically normal children between the age of 2 and 14 years, presenting with first episode of unprovoked, afebrile generalized or partial seizures, were included. Enrolled patients were randomized into two groups. After stabilization, initial workup and management, group I-patients underwent an EEG followed by MRI, whereas group II-patients underwent an initial MRI brain followed by an EEG. The patients were followed up after results of both the investigations and then every 3 months for seizure recurrence. The primary outcome was the proportion of investigations, providing clinically relevant information. The secondary outcomes were to determine the etiological diagnosis of FAS and record adverse events associated with EEG and MRI.
Results: Out of 170 enrolled patients, 52 patients (61.2%) in initial EEG group and 53 patients (70.6%) in initial MRI group had abnormal results on first investigation. An etiological diagnosis could not be made in any patient in initial EEG group. Neuroimaging revealed an etiological diagnosis in 53 patients (70.6%) in initial MRI group. Inflammatory granuloma was found to be the most common cause of FAS, followed by idiopathic epilepsy.
Conclusions: The results of our study done in neurologically normal children with FAS showed a high diagnostic yield with an initial MRI. We recommend MRI brain to be considered as the initial investigation for evaluation of FAS in children.
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KEYWORD
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First afebrile seizure, Inflammatory granuloma, Magnetic resonance imaging brain, Electroencephalography, Epilepsy
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