postoperative atelectasis, postoperative pulmonary complications
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) 18yr = age < 80yr 2) American Society of Anesthesiologists (ASA) physical status I–III 3) scheduled for elective laparoscopic surgery with an expected duration of at least 2 h 4) planned to be extubate in the operating room.
Exclusion criteria
Exclusion criteria: 1) suffering from pneumothorax, acute lung injury or acute respiratory distress syndrome within the last 3 months, 2) underlying lung disease, which include history of severe chronic obstructive pulmonary disease(COPD), history of severe asthma and history of severe restrictive lung disease, 3) previous lung surgery, 4) expectation of difficult intubation., 5) the withdrawal of consent, 6) known pregnancy, 7) participation in another interventional study, 8) and with a body mass index (BMI) of > 30 kg/m2., 9) moderate or severe impairment observed on pulmonary function test.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative atelectasis; | — |
Secondary
| Measure | Time frame |
|---|---|
| oxygenation index;the incidence of hyoxemia (SpO2 = 92%);the overall incidence of postoperative pulmonary complications; | — |
Countries
China
Contacts
West China Hospital, Sichuan University