meniscus injury
Conditions
Interventions
Ro.33: ropivacaine:0.33% ropivacaine
Ro.25: ropivacaine:0.25% ropivacaine
Ro.20: ropivacaine:0.20% ropivacaine
Ro.17: ropivacaine:0.17% ropivacaine
Sponsors
West China Hospital of Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: (1) Aged 18-70 years; (2) Body mass index (BMI) in the range of 18~34 kg/cm2; and (3) American Association of Anesthesiologists (ASA) classification I to III.
Exclusion criteria
Exclusion criteria: (1) Patients with nerve block contraindications: abnormal coagulation, puncture site infection, incompliance for puncture, and local anesthetic allergy; (2) Patients who are pregnant or breastfeeding; (3) Patients who are not compliant with postoperative follow-up, due to illiteracy, hearing impairment, or mental disorders; (4) Patients who have a history of drug abuse; (5) Patients with diabetes or peripheral neuropathy; (6) Patients with severe liver function or renal insufficiency; or (7) Patients with nerve injury or abnormal muscle strength in the affected limb.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| degree of sensory block in the anterior thigh patella area and the quadriceps muscle strength; | — |
Countries
China
Contacts
Public ContactLeng Zhou
West China Hospital of Sichuan University
Outcome results
None listed