DocumentCode :
2701559
Title :
Short-term analysis of heart-rate variability using wavelet packets: an efficient detector of sleep apnea episodes
Author :
Kitsas, Ilias K. ; Hadjileontiadis, Leontios J. ; Panas, Stavros M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Aristotle Univ. of Thessaloniki, Greece
Volume :
1
fYear :
2002
fDate :
2002
Firstpage :
88
Abstract :
Obstructive sleep apnea is a very common condition characterized by over 10 seconds interruption of breathing during sleep. The accurate and fast detection of sleep apnea stages is of great importance for patients´ recovery and treatment. A criterion for the diagnosis of such respiratory disorder based on the characteristics of the heart-rate variability signal in the wavelet packets domain is presented. Preclassified data of 20 apneic patients and 20 controls drawn from two international databases were subjected to analysis. Experimental results show that a wavelet packet-based measure can be formed for noninvasive diagnosis of sleep apnea. This was justified in all cases of apneic patients where all apneic episodes were accurately identified. The technique is rather simple and could be easily used for prescreening apneic patients in sleep laboratories and intensive care units.
Keywords :
biocontrol; discrete wavelet transforms; electrocardiography; filtering theory; medical signal processing; neurophysiology; patient diagnosis; pneumodynamics; sleep; 0 to 0.01875 Hz; 0.01875 to 0.15 Hz; 0.15 to 0.4 Hz; 10 sec; 250 Hz; 27 s; 30 min; ECG; breathing; heart-rate variability; noninvasive diagnosis; obstructive sleep apnea; respiratory disorder; short-term analysis; sleep apnea episodes; wavelet packets; Databases; Detectors; Heart rate variability; Laboratories; Medical treatment; Noninvasive treatment; Sleep apnea; Wavelet analysis; Wavelet domain; Wavelet packets;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, 2002. Proceedings of the Second Joint
ISSN :
1094-687X
Print_ISBN :
0-7803-7612-9
Type :
conf
DOI :
10.1109/IEMBS.2002.1134401
Filename :
1134401
Link To Document :
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