Document Detail

Circadian rhythm of regular spike-wave discharges in childhood absence epilepsy.
MedLine Citation:
PMID:  1928615     Owner:  NLM     Status:  MEDLINE    
Four girls with childhood absence epilepsy with several seizures every day were investigated using an ambulatory cassette EEG. Recordings were started at about 6 pm, and were run continuously for about 22 hours. We studied only the regular and symmetrical 3 Hz spike-wave discharges of at least 5 seconds duration, which are quite similar to or identical with those found in the clinical seizures. Regular spike-wave discharges occurred frequently during wakefulness in 2 cases and during sleep in the other 2 cases: in the latter, they occurred rarely during wakefulness. During wakefulness, we did not find a special time zone in which regular spike-wave discharges were facilitated; during nocturnal sleep, however, they were concentrated in the last third. The rate of regular spike-wave discharges per hour was the highest during stage 1, low during stages 2 and REM, and zero during stage 3 + 4. Average duration of regular spike-wave discharges was the longest during wakefulness in most cases, and shortest during stage 2 in all the cases.
H Horita; E Uchida; K Maekawa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Brain & development     Volume:  13     ISSN:  0387-7604     ISO Abbreviation:  Brain Dev.     Publication Date:  1991 May 
Date Detail:
Created Date:  1991-11-21     Completed Date:  1991-11-21     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7909235     Medline TA:  Brain Dev     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  200-2     Citation Subset:  IM    
Department of Pediatrics, Jikei University School of Medicine, Tokyo, Japan.
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MeSH Terms
Circadian Rhythm / physiology*
Epilepsy, Absence / physiopathology*
Respiratory Function Tests
Sleep, REM / physiology

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