None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age from 20 to 55 years Patients with a BMI less than 30 Patients with ASA class 1 or 2. Patients undergoing laparoscopic cholecystectomy under general anesthesia.
Exclusion criteria
Exclusion criteria: Patients over 30 BMI Patients expected to have difficulty in tracheal intubation Patients with asthma, chronic obstructive pulmonary disease or patients with interstitial lung disease Patients with heart disease Patients who were switched to open surgery during surgery The peak airway pressure is above 30 or the oxygen saturation is below 95 during surgery Patients who refused to participate in the study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| peak airway pressure;tidal volume | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood pressure | — |
Countries
Korea, Republic of
Contacts
Inha University Hospital