None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. SA I-III level; Aged 18-90 years; 2. BMI 18-30kg/m^2; 3. Elective hip replacement surgery; 4. Liver and kidney function are normal; 5. Patients were aware of this study and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Puncture point infection; 2. Anticoagulation state; 3. Allergy to local anesthetics; 4. Serious cardiovascular disease, blood disease; 5. Long-term use of opioids or alcohol abuse; 6. Combined with myasthenia gravis or Parkinson's disease or pregnancy status; 7. History of previous hip or spine surgery; 8. Cognitive dysfunction before surgery, unable to cooperate with pain assessment; 9. Narrowing of the space between the sacral wing and the transverse process of L5.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| dynamic pain scores; | — |
Secondary
| Measure | Time frame |
|---|---|
| static pain scores;dynamic pain scores at 12, 24 and 48 hours after surgery;sensory block;motor block;first opioid request;duration of surgery;length of hospital stay;patient satisfaction;adverse events (vascular puncture, nerve injury, local anesthetic toxicity, dizziness, nausea, vomiting, urinary retention, respiratory depression);opioid consumption at 24 h and 48 h after surgery; | — |
Countries
China
Contacts
Beijing Chaoyang Hospital, Capital Medical Universit