What is the use of nasopharyngeal airway NPA?
A nasopharyngeal airway, also known as a nasopharyngeal tube is a simple and convenient extra-vocal ventilator used to unblock the upper airway and keep the airway open.
A nasopharyngeal airway NPA is a thin, clear, flexible tube that is inserted into a patient's nostril. The purpose of the NPA is to bypass upper airway obstruction at the level of the nose, nasopharynx or base of the tongue. It also prevents the tongue falling backward on the pharyngeal wall to prevent obstruction.
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Atraumatic soft rounded beveled tip
Indications
Nasopharyngeal airway NPA is especially suitable for cases where the placement of oropharyngeal airway fails, or where it is difficult to place an oropharyngeal airway, e.g., the patient has difficulty in opening the mouth, the degree of opening the mouth is too small, the mouth is deformed, etc. Since the nasopharyngeal airway does not enter into the oral cavity, it is applicable to intra-oral surgeries. Generally speaking, most of the cases that are suitable for the application of the oropharyngeal airway are suitable for the application of the nasopharyngeal airway as well.
Compared with the oropharyngeal airway, the nasopharyngeal airway NPA has more stable hemodynamic changes, so it is easier to be tolerated by awake or semi-conscious patients. For patients with respiratory insufficiency who need to retain an artificial airway for a long period of time as well as those who need to guarantee hemodynamic stability, the nasopharyngeal airway should be the first choice.
Contraindications
Contraindications to nasopharyngeal airway kit are generally nasal airway obstruction, nasal bone fracture, obvious nasal septum deviation, abnormal coagulation mechanism, cerebrospinal fluid otorhinolaryngological leakage, full stomach, etc. For patients with craniocerebral injuries, due to the change of its anatomical structure, the placement of the nasopharyngeal airway is prone to misalignment, which will aggravate craniocerebral injuries, or even the occurrence of the nasopharyngeal airway mistakenly entering the cerebral cortex, resulting in serious consequences, so it should be an absolute contraindication to the use of nasopharyngeal airway for patients with cranial brain injury. Therefore, for patients with craniocerebral injury, the nasopharyngeal airway should be used as an absolute contraindication, and for patients with intranasal surgery, the application of nasopharyngeal airway should be used as a contraindication.
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