Mehmet METİN, Zeynel Abidin ERBESLER, Mustafa AVCU, Tufan ULCAY

The role of the external nasal measures of patients with sleep disordered breathing in determining disease severity

Objectives: In this study, we aimed to investigate the influence of nasal anthropometric measurements on severity of obstructivesleep apnea syndrome (OSAS) and to assess the correlation between nasal anthropometric measurements and severity of OSASafter excluding internal factors causing nasal obstruction.Patients and Methods: A total of 241 consecutive patients (181 males, 60 females; mean age 50.3±11.3 years; range, 18 to 65 years)with daily sleepiness and/or snoring complaints between February 1st 2018 and December 15th 2018 were included in the study. Allpatients were divided into eight groups as obese and non-obese according to the disease severity and BMI values.Results: According to the obese and non-obese groups, none of the anthropometric measurements in the obese group werecorrelated with OSAS, while only nasal width (r: 0.282, p=0.001), nasal tip height (r: 0.235, p=0.008), and alar-pronasal distance(r: 0.156, p=0.031) were found to be correlated in the non-obese patient groups. Linear regression analysis of variables whichappeared to correlate with the OSAS severity revealed that no variables except for age and BMI significantly contributed to the OSASseverity in the obese group. For the non-obese group, in addition to age and BMI values, nasal width significantly contributed to thedisease severity.Conclusion: Although there are many factors in the etiology of OSAS, no external nasal anatomic measurement, except for the nasalwidth, seems to be correlated with the disease severity.

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