Postoperative analgesia Total knee replacement
Conditions
Interventions
1:local injection only
2:simple continuous nerve block
3:continuous unit nerve block combined with local injection
Sponsors
Gansu Provincial Hospital of TCM
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: American anesthesiologist class I to III, elective unilateral total knee arthroplasty in 90 patients with adult osteoarthritis. Prior to the patient's admission to the hospital, a written informed consent form of eligible volunteer participation trials is given to inform training about the contents of the trial, including the anatomy of the surface of the anterior and posterior knees, which is used to demonstrate the difference between knees (Corresponding to the innervation of the femoral nerve) and the area behind the knee (corresponding to the sciatic nerve).
Exclusion criteria
Exclusion criteria: Aged less than 18 or older; body mass index greater than 35 kg / m2; pregnancy; failure to provide informed consent; may affect assessment of cognitive or psychiatric history; refusal of spinal anesthesia, femoral nerve block; Narcotic or multimodal analgesic hyperalgesia or multimodal analgesia; preexisting neuropathy or neurological dysfunction lower limbs; preexisting chronic pain or other conditions requiring long-term use of oxycodone at a dose of 30 mg daily or Equivalent; have taboo peripheral or central nervous block, such as coagulation disorders or bleeding tendency.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| analgesic effect; | — |
Secondary
| Measure | Time frame |
|---|---|
| early functional recovery;serum C-reactive protein;deep venous thrombosis of lower extremities; | — |
Contacts
Public ContactShitai Wang
Gansu Provincial Hospital of TCM
Outcome results
None listed