regional block
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. ASA I-III, 20-85 years old patients; 2. BMI 18-30kg/m2; 3. Patients undergoing hip replacement; 4. Patients with normal liver and kidney functions; 5. Patients were aware of the study and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with puncture site infection; 2. Patients with anticoagulant status; 3. Patients allergic to local anesthetics; 4. Patients with serious cardiovascular disease and blood disease; 5. Chronic opioid consumption or alcohol abuse; 6. Patients with myasthenia gravis or Parkinson's disease or pregnancy; 7. Patients with previous hip or spinal surgery history; 8. Patients with cognitive dysfunction before operation and unable to cooperate with pain assessment; 9. The interspace between the sacral ala and the transverse process of L5 is narrow.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The worst dynamic pain scores (maximum pain);The worst static pain scores (maximum pain); | — |
Secondary
| Measure | Time frame |
|---|---|
| first opioid request;Total opioid consumption at 48 h after surgery;duration of surgery;length of hospital stay;Time to first walk;adverse events (vascular puncture, nerve injury, local anesthetic toxicity, dizziness, nausea, vomiting, urinary retention, respiratory depression); | — |
Countries
China
Contacts
Beijing Chaoyang Hospital, Capital Medical University