postoperative complications
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18-65 years old; 2. American Society of Anesthesiologists (ASA) Physical Status?-?; 3. Body mass index (BMI) 18.5-25kg/m^2; 4. Patients with PCA after elective surgery undergoing general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Patients who took antiemetics or opioids before surgery; 2. History of peptic ulcer; 3. Patients with emaciation, overweight or obesity; 4. Pregnant; 5. Severe heart, lung, liver and kidney insufficiency; 6. Patients who refuse to use PCA.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| postoperative nausea and vomiting(PONV);postoperation pain; | — |
Secondary
| Measure | Time frame |
|---|---|
| respiratory depression;Itching;urinary retention;postoperative delirium;post surgical chronic pain; | — |
Countries
China