BACKGROUND The authors hypothesized that mouth ventilation by a resuscitator via the nasal route ensures a more patent airway and more effective ventilation than does ventilation via the oral route and therefore would be the optimal manner to ventilate adult patients in emergencies, such as during cardiopulmonary resuscitation. They tested the hypothesis by comparing the effectiveness of mouth-...

An association between mouth breathing during sleep and increased propensity for upper airway collapse is well documented, but the effect of treatment for nasal obstruction on mouth breathing during sleep and simultaneous obstructive sleep apnoea (OSA) severity has not been described previously. A randomised single blind placebo- and sham-controlled crossover study of treatment (topical deconge...

Background: One of the causes malocclusion in developing children is practice mouth breathing. Morphological disturbances may occur during growth phase with chronic This resulting unfavorable development dentofacial and craniofacial complexes. Mouth breathing as a condition has come to attention health care professionals. Malocclusion incidence will be decreased eventually eliminated early iden...

We examined the effect of oral breathing on respiratory movements, including the number of respirations and the movement of the thoracic wall at rest and while chewing gum. Forty normal nose breathers were selected by detecting expiratory airflow from the mouth using a CO2 sensor. Chest measurements were recorded using a Piezo respiratory belt transducer, and electromyographic (EMG) activity of...

INTRODUCTION The mouth breathing resulting from nasal obstruction has been highly incident, mostly as a consequence of allergic rhinitis. In children, such condition is more concerned because it causes alteration during their development, which may generate deformities. OBJECTIVE To evaluate the efficacy of a program of combined postural exercise and breathing, on the cervical muscles and bod...

OBJECTIVE Although a few infants ever require resuscitation, pediatric cardiopulmonary resuscitation (CPR) is performed most commonly under 1 year of age. American Heart Association guidelines for pediatric basic life support recommend that the caregiver place his/her mouth over the infant's mouth and nose to create a seal. The way CPR is currently taught encourages parents to attempt to seal t...

The purpose of this study was to evaluate the electromyographic activity of the accessory inspiratory muscles and the diaphragmatic amplitude (DA) in nasal and mouth-breathing adults. The study evaluated 38 mouth-breathing (MB group) and 38 nasal-breathing (NB group) adults, from 18 to 30years old and both sexes. Surface electromyography (sEMG) was used to evaluate the amplitude and symmetry (P...

Adenoid facies is a disorder which refers to the open-mouthed face of children who have long faces with adenoid hypertrophy. Hypertrophy of the lymphoid tissues in the throat (the adenoids) is the most common cause of nasal obstruction in children. The mouth is always open because upper airway congestion/narrowing has made patients obligatory mouth breathers. Persistent mouth breathing is seen ...

As shown for many years and studied again by Chambi-Rocha et al. in this issue of the Journal, chronic mouth breathing during active craniofacial development of a child may result in anatomical changes that directly affect the airway. These changes may result in greater airway instability and collapsibility that potentially lead to other problems later in life, such as sleep-disordered breathin...

OBJECTIVES/HYPOTHESIS To determine the effect of mouth breathing during childhood on craniofacial and dentofacial development compared to nasal breathing in malocclusion patients treated in the orthodontic clinic. STUDY DESIGN Retrospective study in a tertiary medical center. METHODS Clinical variables and cephalometric parameters of 116 pediatric patients who had undergone orthodontic trea...