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The Staging of Sleep Apneics' Sleep: A Comparison of Computerized Analysis with Human Scoring

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Authors
Jeong, Do-Un
Issue Date
1993-12
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med 1993;34(4):295-300
Keywords
Automatic analysisHuman scoringPolysomnographySleep apnea
Abstract
Computerized sleep staging is maintained to be a possible replacement
for human scoring of sleep and is expected to reduce substantially the sleep
technologists' time and efforts in scoring sleep into stages and practically to provide
paperless polysomnography. So far various computer algorithms have been developed
and automatic sleep analyzing systems have been tested mainly on normal human
subjects and are alleged to be substantially reliable. However, it still remains to be
answered how capable the systems are of reliably diagnosing sleep disordered subjects.
The author attempted to review the function of a major automatic sleep analyzer
(Oxford Medilog SAC 847 system) in comparison with expert human scoring. In eleven
sleep apneic patients, one full night record of nocturnal polysomnography was
compared between automatic analysis and human scoring on sleep stages epoch by
epoch and on overall sleep architecture including various sleep parameters. The automatic
analysis produced fewer stages 1 and REM, and more stage wake. The automatic
stager's major difficulty was found to be with identifying wake and REM stages
correctly. In conclusion, the present state of sophistication in automatic sleep analysis
remains to be tested further in clinical sleep medicine.
ISSN
0582-6802
Language
English
URI
http://hdl.handle.net/10371/5562
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 34 No.4 (1993)
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