Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/73854
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Type: Conference paper
Title: Effect of spontaneous arousals on cardio-respiratory interaction in healthy children
Author: Kabir, M.
Kohler, M.
Abbott, D.
Baumert, M.
Citation: Engineering Innovation in Global Health: Proceedings of the 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, held in San Diego, August 28-September 1, 2012: pp. 45-48
Publisher: IEEE
Publisher Place: CD
Issue Date: 2012
Series/Report no.: IEEE Engineering in Medicine and Biology Society Conference Proceedings
ISBN: 1457717875
ISSN: 1557-170X
Conference Name: Annual International Conference of the IEEE Engineering in Medicine and Biology Society (34th : 2012 : San Diego)
Statement of
Responsibility: 
Muammar Muhammad Kabir, Mark Kohler, Derek Abbott and Mathias Baumert
Abstract: The aim of this paper was to study the effect of spontaneous arousals during night-time sleep on the interactions between R-R intervals and respiratory phases in healthy children. We collected overnight polysomnography data of 40 healthy children and investigated cardio-respiratory interaction before and after spontaneous arousals during stage 2 sleep using joint symbolic dynamics. The R-R time series were extracted from electrocardiograms (ECG) and respiratory phases were obtained from abdominal sensors using the Hilbert transform. Both the series were transformed into ternary symbol vectors based on the changes between two successive R-R intervals or respiratory phases, respectively. Subsequently, words of length ‘2’ were formed and the correspondence between words of the two series was determined to quantify cardio-respiratory interaction for pre- and post-spontaneous arousal episodes. We observed a brief but significant shortening in R-R and respiratory intervals after arousal. There was also a significant short-term increase in cardio-respiratory interaction during the first 30-second post-arousal episode as compared to 30-second pre-arousal episode (7.5±3.4 vs. 5.2±3.7%, p<0.0001, respectively). In conclusion, spontaneous arousals in healthy children during night-time sleep are associated with a temporal but significant increase in cardio-respiratory interaction.
Keywords: Nonlinear synchronization of biomedical signals; signal processing in physiological systems; biomedical signal classification
Rights: Copyright © 2012 IEEE Engineering in Medicine and Biology Society. All rights reserved.
RMID: 0020122327
DOI: 10.1109/embc.2012.6345867
Description (link): https://embs.papercept.net/conferences/conferences/EMBC12/program/EMBC12_ContentListWeb_1.html
Appears in Collections:Electrical and Electronic Engineering publications

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