difficult airway
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Elective operation patient with ASA I, II, III; 2. Patients who are undergoing general anesthesia with endotracheal intubation; 3. Aged equal more than 18 years; 4. Without oral and maxilloface deformity,trauma, and without history of neck surgery, difficult airway; 5. Patients whose incisors is absent; 6. Patients without disturbance of consciousness, and can cooperate with doctor to be examined.
Exclusion criteria
Exclusion criteria: 1. Patients need to be changeed of the method of anesthesia; 2. Patients or their family members ask to quit the study; 3. Patients with subglottic stenosis that has influences on endotracheal intubation; 4. The collection data of patient is uncompleted or losed.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Distance of the chin to the hyoid bone;Ordinary laryngoscope exposed difficulty;Difficult Mask Ventilation; | — |
Countries
China
Contacts
Wannan Medical College Yijishan Hospital