None listed
Conditions
Interventions
Procedure/Surgery : The patient come to the operating room without premedication and standard monitoring starts with ECG, non-invasive blood pressure, oxygen saturation and radical7. Electrical impeda
the tidal volume, 8ml/kg for ideal body weight
FiO2, 0.35
and positive end-tidal pressure 5cm H2O. Place an arterial line at a radial artery and the first arterial blood gas analysis is performed 10 minutes after mechanical ventilation. A second arterial blo
Sponsors
Seoul National University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients aged between 20 and 79 2. Patients undergoing laparoscopic surgery in lateral decubitus position
Exclusion criteria
Exclusion criteria: 1. Patients with emphysematous lung lesion 2. Patients with moderate or more chronic obstructive pulmonary disease (FEV1 / FVC < 70% ; 50% = FEV1 < 80%) 3. Patients with pulmonary hypertension 4. Patients with right heart failure 5. Pleural injury during surgery 6. Refusal of consent 7. Pateints who are judged to be inappropriate for the clinical trial according to the opinion of the investigator of the trial
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| arterial oxygen partial pressure/ fraction of inspired oxygen | — |
Secondary
| Measure | Time frame |
|---|---|
| arterial oxygen partial pressure/ fraction of inspired oxygen;arterial oxygen partial pressure/ fraction of inspired oxygen;arterial oxygen partial pressure/ fraction of inspired oxygen;regional ventilation delay index;global inhomogeneity index;oxygen reserve index;chest x-ray;Desaturation event;oxygen therapy;inspiratory pressure | — |
Countries
Korea, Republic of
Contacts
Public ContactHee-Soo Kim
Seoul National University Hospital
Outcome results
None listed