Difficult airway
Conditions
Interventions
Difficult laryngoscope exposure group:General laryngoscope exposure
Non-difficult laryngoscope exposure group:General laryngoscope exposure
Difficult mask ventilation group:Mask positive pressure ventilation
Non-difficulty mask ventilation group:Mask positive pressure ventilation
Sponsors
The First Affiliated Hospital of Guangxi Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Patients undergoing endotracheal intubation under general anesthesia 2. ASAI~ III
Exclusion criteria
Exclusion criteria: 1. Pregnant women; 2. Patients with gastric tube inserted; 3. Patients undergoing emergency surgery; 4. History of neck surgery; 5. Cervical spondylosis and cervical spine can not fully backward; 6. Maxillofacial deformity and trauma, toothless, bearded patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Temporomandibular malleolar motion;Lateral pharyngeal wall thickness;Angle between epiglottis and glottis;The transverse diameter of the greater hyoid horn;Hyoid-larynx approximation;Anterior-Posterior Diameter;Lateral Diameter; | — |
Secondary
| Measure | Time frame |
|---|---|
| Upper lip bite test; | — |
Countries
China
Contacts
Public ContactGao Shaofeng
The First Affiliated Hospital of Guangxi Medical University
Outcome results
None listed