Evaluation of EEG in Child Guidance Clinic.
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Date
2011-10
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Abstract
Background: Electroencephalographic (EEG) abnormalities occur in patients with various
idiopathic psychiatric disorders. Among the psychiatric patients, children have shown
more EEG abnormalities as compared to the adult cases. The present study therefore
examined the pattern of EEG abnormalities in children’s attending child guidance clinic
of psychiatry department. Method: Electrodes were positioned according to the 10 – 20
system, using a common reference electrode. EEG recordings from 138 hospitalized
psychiatric patients were graded blind to diagnosis and treatment for type of EEG
abnormalities. Types of clinical diagnosis were evaluated for association with pattern
EEG abnormalities. Results: EEG abnormalities occurred in 53.62% (N = 74) subjects,
whereas 46.38% (N = 64) showed no abnormality in EEG record. Generalized
abnormalities was observed in 37.84% (N = 28) subjects. EEG abnormality in clinically
diagnosed epilepsy were commonest 64.62% (N = 42), followed by dissociative (conversion)
vs. epilepsy 62.5% (N = 5), pervasive developmental disorder (PDD) 56.67% (N = 17),
and mental retardation with epilepsy 28.57% (N = 10). Conclusions: EEG abnormality
risk varied widely among children’s with different diagnoses referred/attending Child
Guidance Clinic of psychiatry department. Risk was particularly high in clinically
diagnosed epilepsy.
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Keywords
EEG, psychiatric disorders, children
Citation
Tripathi M N, Yadav J S, Kumar R. Evaluation of EEG in Child Guidance Clinic. Delhi Psychiatry journal. 2011 Oct; 14 (2): 275-278.