None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 18-65 years old The patients who will undergo elective surgery under general anesthesia The patients who agree to participate in the study American society of Anesthesiologists classification of I, II
Exclusion criteria
Exclusion criteria: American society of Anesthesiologists class = III History of cervical spine surgery or cervical disk herniation The possibility of difficult mask ventilation Awake intubation Risk of regurgitation and pulmonary aspiration Craniofacial anomaly History of severe burn in cervical area Fiberoptic intubation is tneeded Use of double-lumen endotracheal tube History of psychological disease with or without psychoactive drug Reject to participate in the study Unable to get the permission
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| success rate at the first intubation trial | — |
Secondary
| Measure | Time frame |
|---|---|
| Height;Weight;Gender;ASA classification;Mallampati class;Mouth opening;Intubation time;Degree of postoperative sore throat;Degree of sore throat at postoperative 1 day;Blood on endotracheal tube tip | — |
Countries
Korea, Republic of
Contacts
Seoul National University Bundang Hospital