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Published in: Sleep and Breathing 1/2021

Open Access 01-03-2021 | Sleep Apnea | ENT • Original Article

Drug-induced sleep endoscopy while administering CPAP therapy in patients with CPAP failure

Authors: E. Dieleman, C. C. A. F. M. Veugen, J. A. Hardeman, M. P. Copper

Published in: Sleep and Breathing | Issue 1/2021

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Abstract

Study objectives

To study the pattern of upper airway collapse in patients with CPAP failure by performing DISE while administering CPAP therapy and to determine the reason for CPAP failure accordingly.

Methods

This observational retrospective study comprised 30 patients diagnosed with OSA and CPAP failure, who underwent DISE while administering CPAP therapy. During DISE, the upper airway was assessed with and without CPAP therapy using the VOTE classification. Additionally, a jaw thrust maneuver was performed, in order to mimic the effect of an additional mandibular advancement device (MAD) in combination with CPAP therapy. Consequently, the outcome of DISE was translated into a clinically relevant categorization.

Results

Eleven patients (37%) had a persistent anteroposterior (AP) collapse, including a collapse at velum, tongue base, or epiglottis level and multilevel collapse. Eight patients (27%) had a floppy epiglottis. Five patients (17%) had a persistent complete concentric collapse (CCC) and three patients had a persistent laryngeal collapse (10%). In three patients (10%), no airway collapse was found after CPAP administration.

Conclusions

Based on the results of the reported study, in most cases, the potential cause of CPAP failure can be determined by this new diagnostic method. Consequently, suggestions can be made for additional therapy.
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Metadata
Title
Drug-induced sleep endoscopy while administering CPAP therapy in patients with CPAP failure
Authors
E. Dieleman
C. C. A. F. M. Veugen
J. A. Hardeman
M. P. Copper
Publication date
01-03-2021
Publisher
Springer International Publishing
Published in
Sleep and Breathing / Issue 1/2021
Print ISSN: 1520-9512
Electronic ISSN: 1522-1709
DOI
https://doi.org/10.1007/s11325-020-02098-x

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