Postoperative complications
Conditions
Interventions
Volume-controlled ventilation VCV:Volume-controlled ventilation
Pressure-controlled ventilation PCV:Pressure-controlled ventilation
Sponsors
Chinese PLA General Hospital
Eligibility
Sex/Gender
All
Age
65 Years to 100 Years
Inclusion criteria
Inclusion criteria: 1. Patients aged >=65 years; 2. ASA I-III; 3. BMI 1830kg/m2; 4. With an expected duration of >=2 hours; 5. Scheduled for planned abdominal surgery under general anaesthesia, agreed and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Serious cardiac insufficiency, left ventricular ejection fraction 1 hour within the last 2 weeks before surgery; 4. Acute respiratory failure (pneumonia, acute lung injury or acute respiratory distress syndrome); 5. Progressive neuromuscular illness; 6. Sepsis or septic shock.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| major pulmonary and extrapulmonary complications occurring within the first 7 days after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| pulmonary and extrapulmonary complications occurring at the time of hospitalization or during the 30 days after surgery.;Blood gas analysis; | — |
Countries
China
Contacts
Public ContactWeidong Mi
Chinese PLA General Hospital
Outcome results
None listed