Knee joint disease
Conditions
Interventions
Group A:0.375% ropivacaine
Group B:0.5% ropivacaine
Group C:0.5% ropivacaine + dexamethasone
Sponsors
Xuzhou Mining Group General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: Single knee replacement, age 18-70 years, BMI <30, ASA1-3 level.
Exclusion criteria
Exclusion criteria: Refusal to participate in the study, unable to cooperate with the study, patients with mental illness, peripheral neuropathy, nerve block contraindications, analgesic drug abuse, alcohol addiction, and patients with severe heart, brain and lung diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Numerical Pain (NRS) Score;Incidence of chronic pain in 3 months after operation; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure, heart rate;The number of patients receiving remedial analgesia, and the number of remedial analgesia;Time to add analgesics for the first time after surgery;The quadriceps muscle strength is graded, and the lower extremity movement block restores the bromage. Walking distance for the first time out of bed. The walking distance on the second day after surgery, and the walking distance on the third day. Incidence of Common Peroneal Nerve Block;Hospital stay; | — |
Countries
China
Contacts
Public ContactKong Mingjian
Xuzhou Mining Group General Hospital
Outcome results
None listed