Comparison of Findings between Clinical Examinations and Drug-Induced Sleep Endoscopy in Patients with Obstructive Sleep Apnea Syndrome

Huan-Yu Lin, Yi-Chih Lin, Ying-Shuo Hsu, Liang-Chun Shih, Tyler Nelson, Wen-Dien Chang and Yung-An Tsou
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Huan-Yu Lin: Department of Otorhinolaryngology, China Medical University Hospital, Taichung 40402, Taiwan
Yi-Chih Lin: Department of Otolaryngology, Taipei Medical University Shuang Ho Hospital, Taipei 23561, Taiwan
Ying-Shuo Hsu: Department of Otolaryngology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei 11101, Taiwan
Liang-Chun Shih: Department of Otorhinolaryngology, China Medical University Hospital, Taichung 40402, Taiwan
Tyler Nelson: Department of Biology, Lamar University, Beaumont, TX 77710, USA
Wen-Dien Chang: Department of Sport Performance, National Taiwan University of Sport, Taichung 40404, Taiwan
Yung-An Tsou: Department of Otolaryngology-Head and Neck Surgery, China Medical University Hospital, Taichung 40402, Taiwan

IJERPH, 2020, vol. 17, issue 17, 1-11

Abstract: The Velum, Oropharynx, Tongue base and Epiglottis (VOTE) classification on drug-induced sleep endoscopy (DISE) is used widely for obstructive sleep apnea (OSA) syndrome, though research into comparative physical examinations with VOTE on DISE is still limited. The aim of this study was to evaluate the relationship between the findings of physical examinations and DISE in patients with OSA. Fifty-five patients with OSA were enrolled in this retrospective study. All of the patients received clinical explorations including a Brodsky classification, a modified Mallampati score (MMS), a modified Friedman’s staging system, and a Muller’s test. Drug-induced sleep endoscopy was further evaluated in the operating room. There were significant relationships between Brodsky classification, modified Friedman’s staging system, Muller’s test and oropharynx collapse during DISE ( p < 0.05). Brodsky classification, MMS, modified Friedman’s staging system and retropalatal lateral-to-lateral (L–L) collapse of Muller’s test were significantly correlated with VOTE count ( p < 0.05). The concordance between VOTE under DISE and Brodsky classification or modified Friedman’s staging system was moderate. In contrast, the concordance between VOTE under DISE and MMS or Muller’s test was slight. The study revealed that Brodsky classification and Friedman staging had a significant relationship with DISE on the velum and oropharynx, but the level of tongue base is uncertain between DISE and MMS. Correlation of awake evaluation of tongue base is still not correlated to the DISE findings. Pre-treatment evaluation of DISE is still warranted.

Keywords: drug-induced sleep endoscopy; Brodsky classification; Friedman’s staging system; obstructive sleep apnea syndrome (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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