NDLI: A low cost screening test for Obstructive Sleep Apnea that can be performed at the patient's home

Content Provider	IEEE Xplore Digital Library
Author	Otero, A. Dapena, S.F. Felix, P. Presedo, J. Tarasco, M.
Copyright Year	2009
Description	Author affiliation: Department of Information and Communications Systems Engineering, University San Pablo CEU, 28668 Madrid, Spain (Otero, A.; Dapena, S.F.) \|\| Department of Electronics and Computer Science, University of Santiago de Compostela 15782 Santiago de Compostela, A Coruña, Spain (Felix, P.; Presedo, J.; Tarasco, M.)
Abstract	This paper presents a new screening test for Obstructive Sleep Apnea-Hypopnea (OSAH) Syndrome based on a PDA platform capable of recording the patient's electrocardiogram during his/her nightly rest. OSAH patients present alterations in certain bands of the heart rate variability power spectrum. The more serious the disorder afflicting the patient it is, the greater these alterations are. An algorithm running on the PDA identifies the heart beats, and it calculates the RR intervals time series. Then the algorithm calculates an index that quantifies the magnitude of the heart rate variability power spectrum alterations, and therefore the severity of the patient's condition. The reliability of this index has been validated using the Apnea-ECG Database. After the first night of use of the device at the patient's home, the PDA communicates the test results to the hospital via the Internet using a WiFi connection, or through GPRS/UMTS. In the hospital, the physicians can decide whether the results are conclusive, or whether it is preferable to repeat the test. Sometimes it may be necessary to repeat the test just because one of the sensors of the electrocardiograph was disconnected during the night. This decision is communicated through the PDA to the patient, who then knows whether he/she should return the device, or if he/she should use it again the following night. The end result is a cheap and reliable OSAH screening test that neither involves a long waiting list nor requires an overnight stay in the hospital for a polysomnographic test.
Starting Page	199
Ending Page	204
File Size	1148556
Page Count	6
File Format	PDF
ISBN	9781424450572
DOI	10.1109/WISP.2009.5286533
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-26
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance evaluation Costs Hospitals Heart beat Databases Sleep apnea Internet Indexes Heart rate variability Testing
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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