bilateral foot and ankle surgery
Conditions
Interventions
Experimental group1:Left foot medication is 0.25% ropivacaine 30ml, right foot medication is 0.375% ropivacaine 30ml
Experimental group2:Left foot medication is 0.375% ropivacaine 30ml, right foot medication is 0.25% ropivacaine 30ml
Sponsors
Beijing Tongren Hospital Affiliated to Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 74 Years
Inclusion criteria
Inclusion criteria: 1. Patients with elective bilateral foot and ankle surgery; 2. Aged 18 to 74 years; 3. ASA I-III grade; 4. BMI (Body Mass Index) between 18-30Kg/m2; 5. Agree to participate in this study and sign the informed consent form before surgery.
Exclusion criteria
Exclusion criteria: 1. Anesthesia contraindications (coagulation disorders, infection at the puncture site, allergic to general or local anesthetics); 2. Predictably difficult airway; 3. Combined with central or peripheral neuropathy; 4. Pregnant women and lactating women; 5. Patients who use opioids for a long time; 6. Abnormal liver and kidney function: ALT and/or AST>2xULN, or TBIL>=1.5xULN; serum creatinine>112 µmol/L, or received dialysis treatment within 28 days before surgery; 7. Diabetic patients with unsatisfactory control of blood sugar (fasting blood sugar >= 11mmol/L during the screening period); 8. Participated in other clinical trials within 30 days; 9. Patients with combined tumor; 10. Charcot-type osteoarthropathy; 11. History of long-term use of hormones.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time to first onset of pain after surgery; | — |
Countries
China
Contacts
Public ContactWu Lili
Beijing Tongren Hospital Affiliated to Capital Medical University
Outcome results
None listed