laparotomy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The inclusion criteria were: American Anesthetist (ASA) I or III, BMI 18-24 kg/m2, aged 35-60 years, for patients undergoing open surgery.
Exclusion criteria
Exclusion criteria: History of open surgery, wound site infection, coagulation dysfunction, local anesthesia drug allergy, long-term opioid or antiemetic drug use, pregnant women, patients with central neuropathy, patients with liver and kidney dysfunction, patients with mental disorders, overweight patients (BMI > 30 kg / m2), hypotension, etc. And patients refused to participate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| analgesia duration; | — |
Secondary
| Measure | Time frame |
|---|---|
| NRS score; total morphine equivalent consumption;the additional rescue analgesia rates; | — |
Countries
China
Contacts
The First Affiliated Hospital of Henan University