Document Detail

Sleep seizures versus wake seizures: a comparative hospital study on clinical, electroencephalographic and radiological profile.
MedLine Citation:
PMID:  18688139     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Epileptic seizures, predominantly or exclusively during sleep had been the focus of attention for many electroencephalographers. Though few epileptic syndromes are associated with sleep seizures (SS) its frequencies in Indian patients is still unknown. AIM: To find out the patterns of epilepsies in patients having SS and compare them with patients having wake seizures (WS). SETTING AND DESIGN: Open label hospital based study. MATERIALS AND METHODS: One hundred and forty-four (13%) patients having predominantly SS were compared with 976 (87%) patients of WS by various clinical, electrophysiological and radiological factors. STATISTICAL ANALYSIS: Chi square test and student T test, using software SPSS (version 10, 1999) was applied to compare various parameters. Relative risk was calculated by 2 x 2 contingency table. RESULTS: The seizure semiology was better defined in patients with WS and GTCS was more common in SS (P=0.001). Wake-electroencephalogram (EEG) was abnormal in significantly (P=0.001) higher number of patients with WS. Symptomatic etiologies were found in more than half patients. Left lobe involvement was more common in patients having SS (P=0.000). After symptomatic, idiopathic generalized and frontal lobe epilepsy were most frequent with SS. Undetermined epilepsy was found in 37 (25.7%) patients with SS. CONCLUSION: Epilepsies associated with SS were less frequent and had symptomatic cause in most cases. Left hemispherical and frontal lobe lesion were more commonly associated with SS. Frontal lobe and idiopathic generalized epilepsy was most frequent in patients of SS. Sleep EEG should always be done in patients with sleep seizures.
Deepak Goel; Manish Mittal; K K Bansal; R K Srivastav; A Singhal
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Neurology India     Volume:  56     ISSN:  0028-3886     ISO Abbreviation:  Neurol India     Publication Date:    2008 Apr-Jun
Date Detail:
Created Date:  2008-08-08     Completed Date:  2009-06-02     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0042005     Medline TA:  Neurol India     Country:  India    
Other Details:
Languages:  eng     Pagination:  151-5     Citation Subset:  IM    
Department of Neurology, Himalayan Institute of Medical Sciences, Dehradun, India.
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MeSH Terms
Child, Preschool
Electroencephalography / methods
Magnetic Resonance Imaging / methods
Middle Aged
Seizures / classification,  epidemiology,  physiopathology*
Severity of Illness Index
Sleep / physiology*
Tomography Scanners, X-Ray Computed
Wakefulness / physiology*
Young Adult

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