Therefore, an oropharyngeal airway must be sized appropriately.
2.
An oropharyngeal airway may cause gagging and vomiting.
3.
Oropharyngeal airways are indicated only in vomit and potentially lead to an obstructed airway.
4.
An NPA is often used in conscious patients where an oropharyngeal airway would trigger the gag reflex.
5.
Such devices include the laryngeal mask airway, cuffed oropharyngeal airway and the esophageal-tracheal combitube ( Combitube ).
6.
An oropharyngeal airway is used during bag-valve-mask ventilation to prevent oropharynx soft tissues from blocking the airway.
7.
Higher level practitioners such as emergency medical service personnel may use more advanced techniques, from oropharyngeal airways to intubation, as deemed necessary.
8.
If the risk of asphyxiation is deemed high, doctors may use various devices ( such as an oropharyngeal airway, nasopharyngeal airway or endotracheal tube ) to safeguard the airway.
9.
Oropharyngeal airways come in a variety of sizes, from infant to adult, and are used commonly in pre-hospital emergency care and for short term airway management post anaesthetic or when manual methods are inadequate to maintain an open airway.
10.
Current evidence suggests that for out-of-hospital cardiac arrest, basic airway interventions ( head-tilt chin-lift maneuvers, bag-valve-masking or mouth-to-mouth ventilations, oropharyngeal airways ) resulted in greater short-term and long-term survival, as well as improved neurological outcomes in comparison to advanced airway interventions ( endotracheal intubation, laryngeal mask airway, all types of supraglottic airways ( SGA ), and trans-tracheal or trans-cricothyroid membrane airways ).
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