Intraoperative hypoxemia
Conditions
Interventions
Group 1:PEEP: 0cmH2O, 5cmH2O, 10cmH2O
Group 2:PEEP: 0cmH2O, 10cmH2O, 5cmH2O
Group 3:PEEP: 5cmH2O, 0cmH2O, 10cmH2O
Group 4:PEEP: 5cmH2O, 10cmH2O, 0cmH2O
Group 5:PEEP: 10cmH2O, 0cmH2O, 5cmH2O
Group 6:PEEP: 10cmH2O, 5cmH2O, 0cmH2O
Sponsors
Qilu Hospital of Shandong University
Eligibility
Sex/Gender
All
Age
60 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged between 60 and 80 years; 2. American Society of Anesthesiologists (ASA) physical class I-III.
Exclusion criteria
Exclusion criteria: 1. Severe cardiovascular and cerebrovascular diseases; 2. Severe liver and kidney dysfunction and coagulation dysfunction; 3. Diseases that cannot be monitored for cerebral oxygen saturation, such as head deformities and forehead skin infections; 4. Contraindications of radial artery puncture.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| regional cerebral oxygen saturation; | — |
Secondary
| Measure | Time frame |
|---|---|
| hemodynamics;pulmonary oxygenation; | — |
Countries
China
Contacts
Public ContactWu Jianbo
Outcome results
None listed