Publisher: John Wiley & Sons Inc
E-ISSN: 1531-4995|125|10|2408-2412
ISSN: 0023-852x
Source: THE LARYNGOSCOPE, Vol.125, Iss.10, 2015-10, pp. : 2408-2412
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Abstract
Objectives/HypothesisReview drug‐induced sleep endoscopy (DISE) findings and correlate the patterns of airway collapse with body mass index (BMI) and objective sleep study respiratory variables, with particular emphasis on oxygen desaturation variables.Study DesignRetrospective chart review.MethodsFrom January 2010 to March 2014, 64 patients underwent DISE, and its findings were registered using the VOTE (velum, oropharynx, tongue base, epiglottis) classification system. Associations were analyzed between DISE, BMI, and polysomnographic parameters.ResultsComplete lateral oropharyngeal collapse was significantly associated with increased severity of obstructive sleep apnea (OSA), reflected by a higher oxygen desaturation index, apnea‐hypopnea index, apnea index, the percent of the total time with oxygen saturation level lower than 90%, and minimal oxygen saturation). Complete concentric collapse of the velum and complete lateral oropharyngeal collapse were associated with higher BMI values.ConclusionsThe results of this study demonstrate a strong association between complete lateral oropharyngeal wall collapse and increased OSA severity, particularly with objective oximetry measures. Patients with a complete lateral oropharyngeal wall collapse may need aggressive treatment strategies because of the high probability of subsequent cardiovascular complications.Level of Evidence4 Laryngoscope, 125:2408–2412, 2015
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