abdominal surgery
Conditions
Interventions
A group:0.4% ropivacaine + 0.5 ug/kg dexmedetomidine 20 ml
B group:0.2% ropivacaine + 0.5 ug/kg dexmedetomidine 20 ml
C group:0.2% ropivacaine + 0.5 ug/kg dexmedetomidine 40 ml
D group:0.4% ropivacaine 20 ml
Sponsors
The First Affiliated Hospital of Shantou University Medical College
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Elective abdominal surgery; 2. Age 18-80 years old; 3. BMI: 18-28 kg/m2; 4. Sign the informed consent form for clinical trials; 5. General anesthesia with endotracheal intubation; 6. The ASA classification is I-III level; 7. Transversus abdominis plane block without other analgesic methods after operation.
Exclusion criteria
Exclusion criteria: 1. Has a history of allergy to the drugs related to this study; 2. Infection at the injection site; 3. Unable to tolerate surgery or anesthesia; 4. Coagulation dysfunction; 5. Suffering from serious system diseases such as heart, lung, blood, liver and kidney; 6. Mental or nervous system problems, communication barriers and unable to cooperate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual analogue scale;Ramsay sedation score;heart rate;blood pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| adverse event; | — |
Countries
China
Contacts
Public ContactWei Sun
The First Affiliated Hospital of Shantou University Medical College
Outcome results
None listed