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Clinical Trial Summary

Nasotracheal intubation(NTI) is commonly used in operations of the mouth, pharynx, larynx and also the neck. While these patients showed higher rates of difficult laryngoscopy. Therefore, duration of apnoea is prolonged and re-oxygenation is inevitable.Mask ventilation is the most fundamental technique in maintaining oxygenation, even when endotracheal intubation is failed. However, the most common complication of NTI is epistaxis, removing the nasotracheal tube could make mask ventilation extremely difficult.So the investigatorsbelieve the ideal approach is ventilation through original nasotracheal tube.Several techniques of supraglottic ventilations through endotracheal tubes have been reported.It remains uncertain whether supraglottic ventilation through inflated nasal RAE endotracheal tube has similar efficiency as mask ventilation after general anesthesia induction. Based on previous clinical experience, the investigators hypothesised that ventilations through inflated nasal RAE endotracheal tube and through facemask were comparable in terms of tidal volume and airway pressure in anesthetized, apnoeic adults.

Forty patients were randomly assigned (sealed envelope method) to face mask(Group A,n=20)or nasal ventilation(Group B,n=20), For A: face mask ventilation followed by nasal ventilation and for B:nasal ventilation followed by face mask ventilation.Measure the tidal volume and air leakage of face mask and nasal ventilation during pressure-controlled ventilation mode and volume-controlled mode, respectively.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03853239
Study type Interventional
Source Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Contact Yu Sun, MD,PhD
Phone 0086-136-1189-5542
Email dr_sunyu@163.com
Status Not yet recruiting
Phase N/A
Start date March 1, 2019
Completion date August 1, 2019

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