Difficult airway
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age =18 years old, Patients undergoing elective surgery, Tracheal intubation was performed by video laryngoscope, They voluntarily participated and signed informed consent forms
Exclusion criteria
Exclusion criteria: Impaired language communication, Patients with neurological dysfunction and inability to cooperate with examinations, Emergency surgery, Head and neck fractures, Abnormal neck anatomical structure (including congenital malformation, neck surgery and radiotherapy), Patients requiring awake intubation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Distance from skin to hyoid bone;Skin to epiglottis distance;The Angle between the chin, hyoid bone and glottis;Distance from skin to anterior commissure;Distance from skin to thyrohyoid membrane;Distance from skin to thyroid cartilage;The videolaryngoscopic intubation and difficult airway classification; | — |
Secondary
| Measure | Time frame |
|---|---|
| Modified Mallampati test;Head and neck mobility classification;Occlusal test of the upper lip;Horizontal length of mandible;Thyromental distance;Interincisor space; | — |
Countries
China
Contacts
Department of Anesthesiology, Affiliated Hospital of Qingdao University