regional anesthesia or nerve blokade of orthopaedic surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. hospitalized patients of Age 18-80 years (including 18, 80) , male or female, voluntary participation, ASA grade 1-3 level, BMI18.5-30, and above weigh of 45kg; 2. patients with lower limb orthopedic surgery (including knee replacement, hip replacement surgery, arthroscopic knee surgery, etc.); 3. patients of nerve block anesthesia; 4. patients who are able to understand the pain intensity rating method, and adequate informed and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. local anesthesia contraindications (allergy to local anesthetic, local inflammation); 2. patients with mental, neurological diseases, and paitents who can not express their wishes; 3. arteriovenous fistula, patients with vascular disease (diabetes, rheumatoid arthritis, etc.); 4. patients with sepsis; 5. Pregnant or breast-feeding patients; 6. patients with high risk of bleeding, coagulation abnormalities, congenital bleeding disorders (such as hemophilia), thrombocytopenia, and platelet function disorder; 7. patients with severe heart failure, hypertension (blood pressure SBP>=160mmHg or DBP>=100mmHg)and hypotension (SBP<=90mmHg or DBP<=60mmHg).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tissue oxygen saturation; | — |
Secondary
| Measure | Time frame |
|---|---|
| temperature; | — |
Countries
China
Contacts
Xiangya Hospital, Central South University