Laparoscopic nephrectomy
Conditions
Interventions
High volume group:0.5% ropivacaine 40 ml
Low volume group :0.5% ropivacaine 20 ml
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged from 18 to 70 years, ASA I-II, BW 50-90kg; 2. Scheduled for laparoscopic total or partial nephrectomy; 3. Agreed to sign up consent of inform preoperatively.
Exclusion criteria
Exclusion criteria: 1. With chronic pain and is dependent on opioid drugs or and kind of analgesic (more than 3 months); 2. With renal region pain; 3. With peripheral tissue invasion, lymph node metastasis and need to receive renal artery embolism; 4. Complicated with sever dementia, language barrier or communication disorder due to end-stage diseases; 5. Allergic to ultrasonic coupling agent and local anesthetic drug; 6. Not profitable for neural block due to local puncture site infection and coagulation disorder; 7. Planned to admit to ICU; 8. Not suitable for the trial by attending doctor or researcher.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| total consumption of sufentanil in 48h;Visual analog scale, VAS; | — |
Secondary
| Measure | Time frame |
|---|---|
| First time to use PCA;Times and dosage of supplementation of sufentanil;Satisfaction of analgesic effect;Incidence of adverse reactions;Sensory block range; | — |
Countries
China
Contacts
Public ContactYu Zhuoying
Peking University Third Hospital
Outcome results
None listed