Abdominal operation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Signed Informed Consent; 2. Age between 18 and 65 years old; 3. ASA classification I-III; 4, 18 < BMI < 30; 5. No serious cardiac diseases, serious pulmonary diseases and other important organ dysfunction; 6. Patients who are scheduled to receive abdominal surgery.
Exclusion criteria
Exclusion criteria: 1. Preoperative use of opioid drugs or non-opioid drugs for analgesia; 2. Patients with history of chronic pain before surgery; 3. Patients with a history of central nervous system; 4. Preoperative use of anticholinergic/cholinergic drugs; 5. Intraoperative spinal anesthesia or other local analgesia is planned; 6. Patients with acute pain before surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Remedial analgesia rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Dosage of remedial analgesics;Pain intensity;Amount of remifentanil used during operation; | — |
Countries
China
Contacts
Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University