NDLI: Interaction between sleep EEG and ECG signals during and after obstructive sleep apnea events with or without arousals

Content Provider	IEEE Xplore Digital Library
Author	Khandoker, A.H. Karmakar, C.K. Palaniswami, M.
Copyright Year	2008
Description	Author affiliation: Univ. of Melbourne, Melbourne, VIC (Khandoker, A.H.; Karmakar, C.K.; Palaniswami, M.)
Abstract	This is a preliminary attempt to directly investigate the interactions of sleep EEG and ECG signals during normal, OSA breathing event and events following its termination with or without arousal in non-REM(NREM) and REM sleep stages. ECG and EEG signals were collected from 10 patients with OSA and 5 healthy subjects. Coherence between two signals $(Coherence_{ECG-EEG})$ over different frequency bands(range:0~40 Hz) were calculated for normal breathing events, OSA events and events following OSA terminations (with/without arousals) in NREM as well as REM sleep. In normal breathing events, overall $Coherence_{ECG-EEG}$ in REM sleep is higher than that in NREM sleep. Significant (p<0.01) differences of $Coherence_{ECG-EEG}$ between OSA events with and without arousals were found in NREM sleep over 0.5-25 Hz bands but in REM sleep over 3.0-12 Hz. This research could be useful in understanding cardiac dysfunction in sleep apnoea patient.
Starting Page	685
Ending Page	688
File Size	153360
Page Count	4
File Format	PDF
ISBN	9781424437061
ISSN	02766547
DOI	10.1109/CIC.2008.4749134
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-14
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Computers in Cardiology(CinC)
Subject Keyword	Electroencephalography Electrocardiography Sleep apnea Cardiology Heart rate variability Sampling methods Electromyography Australia Frequency synchronization Event detection
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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