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Sleep and Breathing

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01-03-2019 | Sleep Breathing Physiology and Disorders • Original Article

Sleep apnea detection: accuracy of using automated ECG analysis compared to manually scored polysomnography (apnea hypopnea index)

Authors: Hugi Hilmisson, Neale Lange, Stephen P. Duntley

Published in: Sleep and Breathing | Issue 1/2019

Abstract

Introduction

Adequate sleep is fundamental to wellness and recovery from illnesses and lack thereof is associated with disease onset and progression resulting in adverse health outcomes. Measuring sleep quality and sleep apnea (SA) at the point of care utilizing data that is already collected is feasible and cost effective, using validated methods to unlock sleep information embedded in the data. The objective of this study is to determine the utility of automated analysis of a stored, robust signal widely collected in hospital and outpatient settings, a single lead electrocardiogram (ECG), using clinically validated algorithms, cardiopulmonary coupling (CPC), to objectively and accurately identify SA.

Methods

Retrospective analysis of de-identified PSG data with expert level scoring of Apnea Hypopnea Index (AHI) dividing the cohort into severe OSA (AHI > 30), moderate (AHI 15–30), mild (AHI 5–15), and no disease (AHI < 5) was compared with automated CPC analysis of a single lead ECG collected during sleep for each subject. Statistical analysis was used to compare the two methods.

Results

Sixty-eight ECG recordings were analyzed. CPC identified patients with moderate to severe SA with sensitivity of 100%, specificity of 81%, and agreement of 93%, LR+ (positive likelihood ratio) 5.20, LR− (negative likelihood ratio) 0.00 and kappa 0.85 compared with manual scoring of AHI.

Conclusion

The automated CPC analysis of stored single lead ECG data often collected during sleep in the clinical setting can accurately identify sleep apnea, providing medically actionable information that can aid clinical decisions.

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Title: Sleep apnea detection: accuracy of using automated ECG analysis compared to manually scored polysomnography (apnea hypopnea index)
Authors: Hugi Hilmisson
Neale Lange
Stephen P. Duntley
Publication date: 01-03-2019
Publisher: Springer International Publishing
Published in: Sleep and Breathing / Issue 1/2019
Print ISSN: 1520-9512
Electronic ISSN: 1522-1709
DOI: https://doi.org/10.1007/s11325-018-1672-0

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Sleep apnea detection: accuracy of using automated ECG analysis compared to manually scored polysomnography (apnea hypopnea index)

Abstract

Introduction

Methods

Results

Conclusion

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Abstract

Introduction

Methods

Results

Conclusion

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