Knee osteoarthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASA Grade I to III; Aged 18-80 years; BMI 18 ~ 30kg/m^2; Elective first unilateral total knee arthroplasty; Clear consciousness, good communication and ability to complete the scale independently.
Exclusion criteria
Exclusion criteria: Patients with severe heart, brain, lung and kidney diseases before operation; A history of rheumatoid arthritis; Allergies to the drugs involved in the study; History of other chronic pain disorders; The pilot skin has broken and infected; Preoperative vas score >= 3, preoperative anxiety and depression status, preoperative pain catastrophizing status.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Occurrence of chronic pain 3 months after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain visual analogue score;Visual analogue score for posterior knee pain;Intraoperative opioid use;Time of first analgesic pump pressing;Times of analgesic pump pressing;Satisfaction with analgesia;Knee flexion Angle;Active straight knee lift leg Angle;Incidence of postoperative adverse events; | — |
Countries
China
Contacts
Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College