None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Laparoscopic upper abdominal surgery is planned; 2. No serious cardiovascular and cerebrovascular diseases; 3. Aged > 60 years.
Exclusion criteria
Exclusion criteria: 1. Upper respiratory tract infection within 1 month before surgery; 2. History of surgery or mechanical ventilation within 2 weeks before surgery; 3. History of thoracic surgery; 4. Complicated with bronchial asthma; 5. Thoracic and spinal deformity; 6. Received chemoradiotherapy and corticosteroids; 7. Allergic to the anesthetics used in this study; 8. Operation time < 2 hours; 9. Serious adverse events such as hemorrhage during surgery; 10. Patient refused.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood pressure;recovery quality;postoperative pulmonary complications;inflammatory factor; | — |
Countries
China
Contacts
Anqing Municipal Hospital