Effect of physical stress on drug-induced sleep endoscopy for obstructive sleep apnea

European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
Sang Min Park, Dong-Kyu Kim

Abstract

Drug-induced sleep endoscopy (DISE) is a reliable upper airway evaluation tool, widely used to improve surgical results in patients with obstructive sleep apnea (OSA). Several factors, including sleeping position and depth of sedation, affect DISE findings. This study aimed to evaluate the impact of physical stress on DISE findings. Eighty-five patients with OSA underwent two DISE examinations at the same level of sedation. The "first DISE" (control group) was performed after polysomnography, while the "second DISE" (test group) performed immediately after a treadmill stress test. The two groups were compared for changes in degree and configuration of airway obstruction at the levels of the velum, oropharynx, tongue base, and epiglottis. There were several differences in DISE findings between the control and test groups. DISE findings obtained after the stress test revealed significant narrowing of multiple airway structures; upper airway narrowing was observed at the velum (19/48; 39.6%), oropharynx (31/63; 49.2%), and tongue base (9/61; 14.8%). Changes in configuration of upper airway obstruction were observed only at the level of the velum (33/85; 38.8%). Stress exercise test induces changes in the degree and configuration o...Continue Reading

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Citations

Feb 27, 2018·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Seo Yun JoDong-Kyu Kim

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