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Background Nasal obstruction is a common problem in patients with obstructive sleep apnea (OSA). Systematic evaluation of nasal obstruction remains challenging due to the high number of variables and factors that contribute to nasal obstruction. Nasal examination by means of anterior rhinoscopy is limited to the evaluation of anterior septal deviation, internal nasal valve angle, and inferior turbinate...
Although sleep impairment is reported by patients with chronic rhinosinusitis, the associated factors have not been well studied. Therefore, we determined the associated risk factors for sleep impairment in patients with chronic rhinosinusitis (CRS).This study was a prospective cohort study. A total of 572 adult patients (171 women, 401 men; mean age, 49.0 years; range, 18–64 years) who completed...
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