ABSTRACT
Objectives
Despite the growing use of home sleep testing for obstructive sleep apnea (OSA), there
are significant barriers that make it difficult for patients. This study aimed to
evaluate a new set of wireless patches for the detection of OSA as compared to polysomnography
(PSG) respiratory signals. Safety was also evaluated.
Methods
Patients (n = 25; mean age = 51.3; SD = 15.6) undergoing standard PSG evaluation for
OSA wore 2 device patches applied on the chest and abdomen to provide surrogates of
respiratory effort and derived airflow. Two sets of respiratory data (with common
SpO2 and heart rate as a reference from PSG) were created, one from PSG and one from
the device patches. Data were scored by a Registered Polysomnographic Technologist.
Linear regression analyses and Bland-Altman plots were used to compare the two derived
apnea-hypopnea indices (AHI). Bench testing was performed to determine whether the
device patch respiratory signal accuracy remained consistent for different body characteristics.
Results
There was a significant correlation for AHI between the device patch and PSG (r = 0.979;
P < .001; 95% CI 0.952, 1.00). There were also significant correlations between PSG
and the device patch for supine AHI (r = 0.866, P < .001, 95% CI 0.610, 0.965) and nonsupine AHI (r = 0.983; <0.001, 95% CI 0.954,
1.00). No differences in respiratory signal accuracy were found with bench testing
comparison groups.
Conclusions
These preliminary results suggest that the device patch may be an effective way to
measure respiratory dynamics, including derived airflow, to evaluate OSA. Results
show promise as a new innovative method for home sleep testing.
Keywords
Abbreviations:
AASM (American Academy of Sleep Medicine), AE (Adverse Events), AHI (Apnea-Hypopnea Index), BLE (Low-energy Bluetooth), BMI (Body Mass Index), CMS (Centers for Medicare and Medicaid), CPAP (Continuous Positive Airway Pressure), ECG (Electrocardiogram), EDF (European Data Format), EEG (Electroencephalogram), EMG (Electromyogram), EOG (Electrooculogram), HSAT (Home Sleep Apnea Testing), OSA (Obstructive Sleep Apnea), POSA (Positional Obstructive Sleep Apnea), PSG (Nocturnal Polysomnography), RDI (Respiratory disturbance index), RIP (Respiratory inductance plethysmography), SpO2 (Oxygen Saturation), WLP (Wesper Lab Patches), TST (Total Sleep Time)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: December 03, 2022
Accepted:
October 11,
2022
Received in revised form:
October 7,
2022
Received:
December 29,
2021
Footnotes
Institutions where work was performed: Valley Medical Center, Ridgewood, NJ and Northwell Health Sleep Center, Great Neck, NY.
Identification
Copyright
© 2022 National Sleep Foundation. Published by Elsevier Inc. All rights reserved.
