Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

756
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
756

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Characterizing deep inspiration dynamics across obstructive sleep apnea severity levels.

Respiratory medicine·2026
Same author

Estimation of anaerobic threshold and peak oxygen uptake from tracheal sound during cycle ergometer cardiopulmonary exercise test.

Biomedical engineering online·2026
Same author

Effects of rostral fluid shift on small airway narrowing in asthma before and after bronchodilation.

Sleep & breathing = Schlaf & Atmung·2026
Same author

Temporal machine learning framework for diabetic foot ulcer healing trajectory prediction.

Biomedical engineering online·2026
Same author

Mouse model for sensitivity of fluid measurement with textile electrodes.

Biomedical engineering online·2026
Same author

Development of a probability model for high-resolution drowsiness detection using electroencephalogram.

Sleep medicine·2026

Related Experiment Video

Updated: Mar 27, 2026

A Model to Simulate Clinically Relevant Hypoxia in Humans
09:54

A Model to Simulate Clinically Relevant Hypoxia in Humans

Published on: December 22, 2016

9.5K

Modeling sleep apnea severity using bioimpedance measurements.

Bojan Gavrilovic, Milos R Popovic, Azadeh Yadollahi

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |January 7, 2016
    PubMed
    Summary

    Obstructive sleep apnea (OSA) increases neck fluid. Bioelectrical impedance can measure this fluid change, offering a new way to assess OSA severity and identify at-risk individuals.

    More Related Videos

    Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
    07:54

    Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea

    Published on: December 6, 2016

    20.9K
    Multi-Modal Home Sleep Monitoring in Older Adults
    07:40

    Multi-Modal Home Sleep Monitoring in Older Adults

    Published on: January 26, 2019

    8.3K

    Related Experiment Videos

    Last Updated: Mar 27, 2026

    A Model to Simulate Clinically Relevant Hypoxia in Humans
    09:54

    A Model to Simulate Clinically Relevant Hypoxia in Humans

    Published on: December 22, 2016

    9.5K
    Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
    07:54

    Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea

    Published on: December 6, 2016

    20.9K
    Multi-Modal Home Sleep Monitoring in Older Adults
    07:40

    Multi-Modal Home Sleep Monitoring in Older Adults

    Published on: January 26, 2019

    8.3K

    Area of Science:

    • Physiology
    • Medical Devices
    • Sleep Medicine

    Background:

    • Obstructive sleep apnea (OSA) is prevalent in adults, often worsening with overnight fluid accumulation in the neck.
    • Fluid retention in conditions like heart or renal failure exacerbates OSA.
    • Current methods for assessing OSA severity can be invasive or lack precision regarding fluid dynamics.

    Purpose of the Study:

    • To develop a novel method for measuring neck intracellular water (ICW) changes.
    • To investigate neck impedance metrics and their correlation with OSA severity.
    • To establish a non-invasive biomarker for predicting OSA severity.

    Main Methods:

    • Neck fluid volume (NFV) measured using 50 kHz bioelectrical impedance before and after sleep in 18 non-obese men.
    • Extraction of resistance and reactance from impedance measurements.
    • Development of a model to estimate cell membrane capacitance for ICW changes; OSA severity assessed via apnea-hypopnea index (AHI) and obstructive AHI (OAHI) using polysomnography.

    Main Results:

    • A strong correlation was found between changes in NFV and cell membrane capacitance, indicating increased neck ICW during sleep.
    • Linear stepwise regression models accurately predicted AHI and OAHI using baseline anthropometric and bioimpedance data.
    • Non-invasive bioimpedance measurements show promise for developing a novel biomarker for OSA severity.

    Conclusions:

    • Neck ICW increases during sleep in individuals with OSA.
    • Bioimpedance analysis offers a non-invasive method to assess OSA severity.
    • This approach can aid in identifying patients at high risk for obstructive sleep apnea.