oxygenation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ? Patients undergoing elective thoracoscopic OLV under general anesthesia at our hospital. ? ASA grade?-?. ? Intraoperative OLV duration was at least 60min ? Patients with normal cardiac, hepatic and renal functions before surgery. ? Informed consent form was obtained.
Exclusion criteria
Exclusion criteria: ? patients refused. ? Patients with severe (hypoxemia SpO 2 or PaO 2 <50mmHg) during OLV. ? Preoperative rescue medical history ? Major complications occurred during and after surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| endothelin;cox-2;DO2;VO2;ERO2;A-aDO2;Qs/Qt; | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate;Mean arterial pressure;SpO2; | — |
Countries
China
Contacts
The Third Medical Center of Chinese PLA General Hospital