2016
DOI: 10.1016/j.bjorl.2015.05.018
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Abstract: In most trials, nasal obstruction was not related to the apnea-hypopnea index (AHI), indicating no improvement in OSAS with reduction in nasal resistance. However, few researchers evaluated other polysomnography indices, such as the arousal index and rapid eye movement (REM) sleep percentage. These could change with nasal obstruction, since it is possible that the nasal obstruction does not completely block the upper airways, but can increase negative intrathoracic pressure, leading to sleep fragmentation.

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Cited by 20 publications
(21 citation statements)
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“…Various authors have supported the theory that nasal obstruction is a contributing factor in the pathogenesis of OSA despite numerous controversies 6-10 . Nasal obstruction leads to mouth breathing, which is thought to destabilise the upper airway and aggravate OSA 7-9 .…”
Section: Introductionmentioning
confidence: 99%
“…Various authors have supported the theory that nasal obstruction is a contributing factor in the pathogenesis of OSA despite numerous controversies 6-10 . Nasal obstruction leads to mouth breathing, which is thought to destabilise the upper airway and aggravate OSA 7-9 .…”
Section: Introductionmentioning
confidence: 99%
“…AR is pointed as an objective examination of the nasal cavity, highlighting its usefulness in clinical practice in specific groups 9,20,24,25 . A study comparing the means of CSA1 and CSA2 of 108 individuals with and without OSA found a difference of 10-22% in CSA1 and CSA2 between groups 26 .…”
Section: Discussionmentioning
confidence: 99%
“…Although the influence of nasal obstruction on OSA 9 has not been proven, one study indicated a high incidence of nasal structural alterations in patients with this sleep disorder 10 , which justifies further research on the subject.…”
Section: Introductionmentioning
confidence: 98%
“…Patients with OSA most often present concurrent nasal obstruction 21 22 . The latter has been implicated as an independent, aetiological factor in the pathogenesis of OSA, although no definite conclusions on the role of nasal obstruction in OSA pathogenesis have been reported 21 22 . It would seem that nasal obstruction results in an increase in upstream airflow resistance, which makes the pharynx vulnerable to collapse.…”
Section: Discussionmentioning
confidence: 99%