Intraspinal anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 65 years or older; 2. Patients undergoing orthopedic surgery of lower limbsunder lumbar anesthesia; 3. ASA grade I-II.
Exclusion criteria
Exclusion criteria: 1. Patients with abnormal coagulation function or are taking anticoagulant drugs; 2. Patients with skin infection at the puncture site; 3. Patients with neurological diseases or increased intracranial pressure; 4. Patients with chronic lumbocrural pain or history of lumbar trauma or surgery; 5. Patients with severe hypovolemia; 6. Patients who unable to cooperate with puncture; 7. Patients who refuse to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of first puncture; | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of puncture;Number of puncture adjustment ;Puncture time;Total puncture time; | — |
Countries
China
Contacts
Huadong Hospital affiliated to Fudan University