None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age = 20 2. Americal Society of Anesthesiologists (ASA) physical status I, II, III
Exclusion criteria
Exclusion criteria: 1. Age< 20 2. Underlying lung disease (asthema, chronic obstructive lung disease, interstitial lung disease, restrictive lung disease) 3. Abnormal findings over moderate grade in preoperative pulmonary function test 4. High risk group of pleural addhesion (previous lung surgery, pneumothorax, pulmonary tuberculosis, lung neoplasm) 5. Pleural effusion 6. Emergerncy surgery 7. Obesity (body mass index =30 kg/m2) 8. Pregnancy 9. Difficult airway cases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative atelectasis diagnosed by ultrasonography | — |
Secondary
| Measure | Time frame |
|---|---|
| desaturation (SpO2<92%) event, oxygen supplement, postoperative fever;respiratory complications (cough, sputum, sore throat), postoperative hospital stay;partial pressure of oxygen | — |
Countries
Korea, Republic of
Contacts
Samsung Medical Center