Nasal Airway Dilation and Obstructed Breathing in Sleep
نویسندگان
چکیده
منابع مشابه
The relationship between nasal airway size and nasal-oral breathing.
Most clinicians agree that impaired nasal breathing results in obligatory mouth breathing. Some believe that mouth breathing influences dentofacial growth; others disagree. The term mouth breathing is confusing because total mouth breathing rarely occurs. A combination of nasal and oral breathing is more usual. The purpose of the present study involving 116 adult subjects was to (1) assess the ...
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CPAP should be considered the first line of treatment in patients with moderate to severe obstructive sleep apnoea. In our centre in Sydney this generally means patients with more than 20 apnoea/hypopnoeas per hour with repeated dips in oxyhaemoglobin saturation and usually some symptomatology. Despite this first line role of nasal CPAP, recent objective studies question whether earlier enthusi...
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متن کاملTurbulent Flow Pattern in Upper Airway with Obstructed Sleep Apnea
Computational fluid dynamics (CFD) techniques were used to model the turbulent flow in upper airway model of two subjects with obstructive sleep apnea (OSA). The upper airway models were reconstructed by Mimics software based on computerized tomography (CT) scanned images obtained during quiet tidal breathing. The Large Eddy Simulation (LES), a more accurate approach in unsteady flow, was selec...
متن کاملPostural cephalometric analysis and nasal resistance in sleep-disordered breathing.
OBJECTIVES The study was designed to compare upright and supine cephalometric measurements in snorers and to evaluate the effects of mandibular position and nasal resistance on pharyngeal dimensions. Anthropometric, rhinomanometric, and cephalometric measurements were used to investigate predictors of apnea-hypopnea index. STUDY DESIGN Prospective, cross-sectional. METHODS Forty consecutive...
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ژورنال
عنوان ژورنال: The Laryngoscope
سال: 1992
ISSN: 0023-852X
DOI: 10.1288/00005537-199209000-00017