Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τρίτη 5 Φεβρουαρίου 2019

Can anatomical assessment of hypopharyngolarynx in awake patients predict obstructive sleep apnea?

Objectives/Hypothesis

To assess the relationships between laryngeal and hypopharyngeal morphology and obstructive sleep apnea‐hypopnea syndrome (OSAHS) in awake patients.

Study Design

Prospective study.

Methods

Awake flexible fiberoptic laryngoscopy and sleep studies were performed in 80 patients for snoring or OSAHS suspicion. Endoscopic videos were reviewed by two examiners to assess morphological characteristics of hypopharynx and larynx using a standardized examination of appearance, shape and position of epiglottis, shape of retropharyngeal‐epiglottic aerospace (RPEA), modified Cormack‐Lehane score, and length ratios of the hypopharynx and epiglottis. The multivariate logistic regression model was used to assess independent predictors of moderate/severe OSAHS.

Results

The interrater agreements were moderate for epiglottis appearance (κ = 0.52), epiglottis form (κ = 0.66), and epiglottis position (κ = 0.49), but fair for the shape of RPEA (κ = 0.26) and modified Cormack‐Lehane scoring (κ = 0.38). The presence of a mega‐epiglottis was significantly correlated with the severity of OSAHS (P < .05). By multivariate logistic regression analysis, independent predictors of moderate/severe obstructive sleep apnea were mega‐epiglottis (adjusted odds ratio [aOR]: = 4.78, 95% confidence interval [CI]: 1.23‐18.56, P = .024), modified Cormack‐Lehane score of 2 (aOR: 15.3, 95% CI: 1.8‐130.3, P = .012), or modified Cormack‐Lehane score of 3 (aOR: 10.03, 95% CI: 1.3‐78.2, P = .03) and aging (aOR = 1.07, 95% CI: 1.01‐1.14, P = .025).

Conclusions

Routine flexible fiberoptic laryngoscopy performed by otorhinolaryngologists in awake patients may help to detect some predictors of OSAHS such as presence of mega‐epiglottis, and modified Cormack‐Lehane score of 2 or more. Investigation of sleep disorders should be proposed in these patients.

Level of Evidence

2 Laryngoscope, 2019



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