Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease

The interactions of heart rate variability and respiratory rate and tidal volume fluctuations provide key information about normal and abnormal sleep. A set of metrics can be computed by analysis of coupling and coherence of these signals, cardiopulmonary coupling (CPC). There are several forms of C...

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Main Authors: Haitham S. Al Ashry, Yuenan Ni, Robert J. Thomas
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-11-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnins.2021.755464/full
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author Haitham S. Al Ashry
Yuenan Ni
Robert J. Thomas
author_facet Haitham S. Al Ashry
Yuenan Ni
Robert J. Thomas
author_sort Haitham S. Al Ashry
collection DOAJ
description The interactions of heart rate variability and respiratory rate and tidal volume fluctuations provide key information about normal and abnormal sleep. A set of metrics can be computed by analysis of coupling and coherence of these signals, cardiopulmonary coupling (CPC). There are several forms of CPC, which may provide information about normal sleep physiology, and pathological sleep states ranging from insomnia to sleep apnea and hypertension. As CPC may be computed from reduced or limited signals such as the electrocardiogram or photoplethysmogram (PPG) vs. full polysomnography, wide application including in wearable and non-contact devices is possible. When computed from PPG, which may be acquired from oximetry alone, an automated apnea hypopnea index derived from CPC-oximetry can be calculated. Sleep profiling using CPC demonstrates the impact of stable and unstable sleep on insomnia (exaggerated variability), hypertension (unstable sleep as risk factor), improved glucose handling (associated with stable sleep), drug effects (benzodiazepines increase sleep stability), sleep apnea phenotypes (obstructive vs. central sleep apnea), sleep fragmentations due to psychiatric disorders (increased unstable sleep in depression).
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spelling doaj.art-80803650188a44aea6f845aac4707f662022-12-21T20:45:27ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2021-11-011510.3389/fnins.2021.755464755464Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and DiseaseHaitham S. Al Ashry0Yuenan Ni1Robert J. Thomas2Division of Pulmonary and Sleep Medicine, Elliot Health System, Manchester, NH, United StatesDivision of Pulmonary, Critical Care and Sleep Medicine, West China Hospital, Sichuan University, Chengdu, ChinaDivision of Pulmonary and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United StatesThe interactions of heart rate variability and respiratory rate and tidal volume fluctuations provide key information about normal and abnormal sleep. A set of metrics can be computed by analysis of coupling and coherence of these signals, cardiopulmonary coupling (CPC). There are several forms of CPC, which may provide information about normal sleep physiology, and pathological sleep states ranging from insomnia to sleep apnea and hypertension. As CPC may be computed from reduced or limited signals such as the electrocardiogram or photoplethysmogram (PPG) vs. full polysomnography, wide application including in wearable and non-contact devices is possible. When computed from PPG, which may be acquired from oximetry alone, an automated apnea hypopnea index derived from CPC-oximetry can be calculated. Sleep profiling using CPC demonstrates the impact of stable and unstable sleep on insomnia (exaggerated variability), hypertension (unstable sleep as risk factor), improved glucose handling (associated with stable sleep), drug effects (benzodiazepines increase sleep stability), sleep apnea phenotypes (obstructive vs. central sleep apnea), sleep fragmentations due to psychiatric disorders (increased unstable sleep in depression).https://www.frontiersin.org/articles/10.3389/fnins.2021.755464/fullcardiopulmonary coupling (CPC)heart rate variabilitysleep apneastable sleepinsomnia
spellingShingle Haitham S. Al Ashry
Yuenan Ni
Robert J. Thomas
Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease
Frontiers in Neuroscience
cardiopulmonary coupling (CPC)
heart rate variability
sleep apnea
stable sleep
insomnia
title Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease
title_full Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease
title_fullStr Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease
title_full_unstemmed Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease
title_short Cardiopulmonary Sleep Spectrograms Open a Novel Window Into Sleep Biology—Implications for Health and Disease
title_sort cardiopulmonary sleep spectrograms open a novel window into sleep biology implications for health and disease
topic cardiopulmonary coupling (CPC)
heart rate variability
sleep apnea
stable sleep
insomnia
url https://www.frontiersin.org/articles/10.3389/fnins.2021.755464/full
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