Hip disease
Conditions
Interventions
ropivacaine group(Group R):Various concentrations of ropivacaine with 30mL volume
4mg dexamethasone + ropivacaine group(Group D1):4mg dexamethasone and Various concentrations of ropivacaine with 30mL volume
8mg dexamethasone + ropivacaine group(Group D2):8mg dexamethasone and Various concentrations of ropivacaine with 30mL volume
Sponsors
Chongqing Traditional Chinese Medicine Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Aged 18-80 years. 2. ASA grade I - III, no gender limitation. 3.Patients who underwent the first Total hip arthroplasty, join the research voluntary and obtained informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with BIM=18 or =35; 2. Allergic to related drugs; 3. Inability to cooperate with pain evaluators; 4. Severe heart, lung, liver and kidney disease; 5. Diabetic peripheral neuropathy; 6. Patients with chronic pain treatment; 7. Patients regularly take corticosteroid drugs; 8. Persons addicted to alcohol or drugs; 9. Persons with serious mental illness; 10. Pregnant women; 11. Patients with contraindications to nerve block puncture.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Score of Visual analogue scale ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Score of Bromage;Success rate of S-FICB;Remifentanil dosage;PCIA dosage;Press times of PCIA;The time of the first tramadol supplement;Percentage of patients requiring tramadol supplementation within 6 hours; | — |
Countries
China
Contacts
Public ContactQIN ZHANG
Chongqing Traditional Chinese Medicine Hospital
Outcome results
None listed