anaesthesia
Conditions
Interventions
experimental group 2:Anterior lumbar quadratus block at the level of L4 on the affected side, inject 0.375% ropivacaine 20ml
experimental group 1:Anterior lumbar quadratus muscle block at the level of L4 on the affected side, injected with 0.375% ropivacaine 20ml
Sponsors
Affiliated Hospital of Jiangsu University
Eligibility
Sex/Gender
All
Age
60 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Patients with hip fracture or necrosis of femoral head undergoing elective hip replacement surgery 2.Age 60-80, BMI18-25 3.ASA classification I-III 4.Can fully understand the research content
Exclusion criteria
Exclusion criteria: 1.History of hip surgery 2.History of opioid or alcohol abuse 3.Local anesthetic allergy 4.Abnormal coagulation function 5.Difficulty in communicating with medical staff 6.Voluntary withdrawal study 7.Infection near puncture site 8.Contraindication of quadratus lumborum block 9.Chronic pain or receiving treatment for chronic pain 10.Patients with underlying diseases such as heart failure, severely reduced respiratory function, severe arrhythmia, poorly controlled hypertension and diabetes before surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| sufentanil dosage 24 hours after surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| remifentanil consumption during surgery;timing of first postoperative patient-controlled analgesia;postoperative pain numerical scale score;heart rate;mean arterial pressure; | — |
Countries
China
Contacts
Public ContactWu Jin
Affiliated Hospital of Jiangsu University
Outcome results
None listed