surgical pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. To be aged 60 to 80 years; 2. ASA II ~ III; 3. undergoing surgery of liver cancer or colon cancer; 4. to be anesthetized by general anesthesia with endotracheal intubation or combined with transversus abdominis plane block; 5. to be approved by the subjects and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. existing diabetes, obvious electrolyte and acid-base balance disorders, diseases of the central nervous system, or serious diseases of liver or kidney, preoperatively; 2. history of alcohol or drug addiction; 3. intra-operative change of operation scheme or massive bleeding (3000ml above); 4. any other situation that should be excluded from this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative recovery; | — |
Secondary
| Measure | Time frame |
|---|---|
| stress and pain;inflammatory factors;dosage of anesthetics; | — |
Countries
China