Postoperative pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients with hip fracture who need hip replacement; 2. Patients aged 65-85 years, regardless of gender; 3. Patients with grade I - III of American Society of anesthesiologists (ASA); 4. Patients who sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients allergic to ropivacaine; 2. Patients with inflamed and inflamed block site; 3. Patients with abnormal coagulation function; 4. Patients with severe hepatic and renal insufficiency; 5. Patients with no self-care ability or language communication barrier.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS score;Blocking operation time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Substance P in serum;Remifentanil dosage;Hemodynamic parameters;Total amount of intravenous patient controlled analgesics;Incidence of adverse reactions;Block onset time; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Hebei Medical University