[Diurnal sleep study for sleep related breathing disorders--comparative study of diurnal polysomnography using diazepam with nocturnal polysomnography].
Nocturnal polysomnography (n-PSG) and diurnal polysomnography using diazepam (d-PSGD) were performed on 46 patients with sleep related breathing disorders including sleep spnea syndrome (SAS) patients and simple snorers. Sleep stage, apnea type, and various indices of breathing disorders were examined, and the results obtained by the two different sleep studies were compared. There were no significant differences in either the apnea type or the indices of breathing disorders between the two sleep studies. Concerning the sleep stage, significant differences in the duration of REM sleep between the two sleep studies were observed. In the duration of each stage of NREM sleep, however, there were no significant differences. Also, no significant differences were observed in the indices of breathing disorders between SAS patients and simple snorers.


CONCLUSIONS
d-PSGD can be utilized as a substitute for n-PSG clinically, in patients with sleep related breathing disorders, as far as the study of NREM stages is concerned.
Sadaoka
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T
Department of Otorhinolaryngology, Osaka Medical College.
D000293:Adolescent; D000328:Adult; D002940:Circadian Rhythm; D003975:Diazepam / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D017286:Polysomnography / Q000379:methods*; D012891:Sleep Apnea Syndromes / Q000503:physiopathology*; D012894:Sleep Stages; D012913:Snoring / Q000503:physiopathology
D003975:Diazepam