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Impact of Open-Mouth Breathing on Upper Airway Anatomy in Patients with Sleep-Disordered Breathing
Journal of Rhinology ; : 55-59, 2012.
Artículo en Coreano | WPRIM | ID: wpr-162777
ABSTRACT
BACKGROUND AND

OBJECTIVES:

The purpose of this study was to evaluate the impact of open-mouth breathing on the upper airway anatomy of patients with sleep-disordered breathing (SDB) based on polysomnography. MATERIALS AND

METHODS:

A total of 114 subjects (101 males and 13 females) with a mean age of 42.7 years and a mean body mass index (kg/m2) of 26.2 were enrolled in this study. All subjects were divided into four groups (simple snoring, mild obstructive sleep apnea syndrome[OSAS], moderate OSAS and severeOSAS) according to the apnea-hypopnea index. Lateral cephalometric radiograms (retropalatal, retroglossal, and hypopharyngeal distance, and pharyngeal length) were taken with the mouth closed and open.

RESULTS:

The lateral cephalometric variables were compared between the mouth closed and open positions, and it was found that the retropalatal and retroglossal distances and pharyngeal length were significantly changed in all groups. However, the hypopharyngeal distance did not change significantly in any of the groups.

CONCLUSION:

Open-mouth breathing significantly reduces the retropalatal and retroglossal distance and lengthens the pharynx in patients with SDB. Since these anatomical changes may worsen SDB or decrease positive airway pressure treatment compliance, ENT doctors should attempt to convert SDB patients from open-mouth breathing to nasal breathing.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Faringe / Respiración / Síndromes de la Apnea del Sueño / Ronquido / Índice de Masa Corporal / Cefalometría / Adaptabilidad / Apnea Obstructiva del Sueño / Boca / Respiración por la Boca Límite: Humanos / Masculino Idioma: Coreano Revista: Journal of Rhinology Año: 2012 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Faringe / Respiración / Síndromes de la Apnea del Sueño / Ronquido / Índice de Masa Corporal / Cefalometría / Adaptabilidad / Apnea Obstructiva del Sueño / Boca / Respiración por la Boca Límite: Humanos / Masculino Idioma: Coreano Revista: Journal of Rhinology Año: 2012 Tipo del documento: Artículo