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Year : 2020  |  Volume : 10  |  Issue : 1  |  Page : 57-60

Evaluation of nasopharyngeal airway to facilitate nasotracheal intubation

Department of Anaesthesia, Jawaharlal Nehru Medical College, Wardha, Maharashtra, India

Correspondence Address:
Dr. Amol Prakash Singam
Department of Anaesthesia, Jawaharlal Nehru Medical College, Sawangi (Meghe), Wardha-442001, Maharashtra
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DOI: 10.4103/ams.ams_190_19

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Background and Aims: Nasotracheal intubation is the most common method of airway management in oral and maxillofacial surgery patients. However, many times, it is associated with bleeding resulting from trauma to nasopharyngeal mucosa. We conducted this study to determine the effectiveness of nasopharyngeal airway (NPA) to easily facilitate the nasopharyngeal insertion and to reduce the trauma during nasotracheal intubation. Methods: A total of 120 patients scheduled for elective oral and maxillofacial surgery requiring nasotracheal intubation were randomly divided into two groups of 60 each, after preparation with xylometazoline drops intranasally, lubrication with lignocaine jelly, and thermosoftening of the tip of the endotracheal tube (ETT). In group NPA, dilatation of the nasal cavity was done with NPA before nasotracheal intubation and in Group C, nasotracheal intubation was done without dilatation of the nasal cavity. The smoothness of insertion of ETT was graded on a 4-point rating scale. Assessment of bleeding into nasopharynx was confirmed during laryngoscopy and was also graded with 4-point scale. Results: In the NPA group, all the 60 (100%) patients had smooth or relatively smooth (Grade 0 or 1) insertion compared to 51 (85%) patients in the control group (P < 0.0001). Eighteen (30%) patients had mild (Grade 1) bleeding and one (1.67%) patient had moderate bleeding (Grade 2) in the control group, whereas only four (6.67%) patients in the NPA group had mild (Grade 1) bleeding (P = 0.0005). Conclusion: Dilatation of nasal cavity with NPA significantly eases the insertion of ETT into the nasopharynx and also significantly decreases the incidence and severity of trauma and bleeding during nasotracheal intubation.

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