None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The patients were arranged for elective gastic operation, gall bladder and bile duct surgeries that required NG tube insertion and were classified by the American Society of Anesthesiologists as physical status I, II or III.
Exclusion criteria
Exclusion criteria: Exclusion criteria included: history of difficult intubation, larynx surgery, larynx radiotherapy tracheal-, respiratory- or cardiovascular disease; patients expected to have esophago-tracheal reflux; patients with a loose tooth; patients with a Mallampati classification of III or IV; patients with a body mass index (BMI) ?35 kg/m2.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The duration of NGT insertion | — |
Secondary
| Measure | Time frame |
|---|---|
| the number of attempt of insertion | — |
Countries
Korea, Republic of
Contacts
Hanyang University Guri Hospital