NDLI: Thoraco-abdominal asynchrony in children during quiet sleep using Hilbert transform

Content Provider	IEEE Xplore Digital Library
Author	Immanuel, S. Kohler, M. Pamula, Y. Kabir, M.M. Saint, D.A. Baumert, M.
Copyright Year	2012
Description	Author affiliation: Sch. of Psychol., Social Work & Social Policy, Univ. of South Australia, Mawson Lakes, SA, Australia (Kohler, M.) \|\| Dept. of Respiratory & Sleep Med., Women's & Children's Hosp., Adelaide, SA, Australia (Pamula, Y.) \|\| Univ. of Adelaide, Adelaide, SA, Australia (Immanuel, S.; Kabir, M.M.; Saint, D.A.; Baumert, M.)
Abstract	We present a technique based on the Hilbert transform to quantify the thoraco-abdominal asynchrony (TAA) based on the phase shift between ribcage (RC) and abdomenal (AB) breathing signals acquired using respiratory inductive plethysmography (RIP). We employed this method to investigate RIP during overnight polysomnography (PSG) in 40 healthy children for analysis of their breathing patterns in various stages of sleep (ss 2, 3, 4 and REM) and in two common sleeping positions (supine and lateral). RIP signals free of respiratory or movement artifacts were segmented into 30 second epochs. Those epochs with maximum power in the quiet breathing frequency range and positional invariance throughout were included for further processing. TAA was calculated from corresponding RC and AB excursions. We found a statistically significant influence of sleep position on the level of TAA in all stages of non-REM sleep. In conclusion, the Hilbert transform provides a simple tool for the quantification of thoraco-abdominal asynchrony.
Sponsorship	IEEE Eng. Medicine Biol. Soc.
Starting Page	3448
Ending Page	3451
File Size	380931
Page Count	4
File Format	PDF
ISBN	9781424441198
ISSN	1557170X
e-ISBN	9781457717871
DOI	10.1109/EMBC.2012.6346707
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sleep apnea Pediatrics Transforms Signal to noise ratio Band pass filters IIR filters
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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