Great Saphenous Vein Varicosities
Conditions
Interventions
Group A:Combined spinal-epidural anesthesia is performed at the L3-4 interspace, with 2 mL of hyperbaric 0.5% ropivacaine administered into the subarachnoid space.
Group B:Under ultrasound guidance, 0.75% lidocaine is used for femoral nerve block, obturator nerve block, genitofemoral nerve femoral branch block, and popliteal sciatic nerve block via the popliteal
Group C:Under ultrasound guidance, a mixed solution of 0.75% lidocaine and 0.15% ropivacaine (prepared immediately in the aforementioned proportions) is administered for femoral nerve block, obturator
Sponsors
China-Japan Union Hospital of Jilin University
Eligibility
Sex/Gender
All
Age
18 Years to 85 Years
Inclusion criteria
Inclusion criteria: Age 18-85 years; American Society of Anesthesiologists (ASA) physical status classification of II-III; scheduled to undergo unilateral high ligation and stripping of the great saphenous vein; patient provides informed consent and voluntarily participates in this study.
Exclusion criteria
Exclusion criteria: Known or suspected allergy to lidocaine, ropivacaine, or similar drugs; presence of infection, deformity, or severe skin disease at the puncture site; severe uncontrolled coagulation dysfunction (e.g., INR > 1.5, or platelet count < 80 × 10?/L); history of severe peripheral neuropathy or nerve injury; long-term use of opioids or history of chronic pain that may affect postoperative pain assessment; presence of cognitive impairment or mental illness preventing compliance with study assessments; any other condition deemed unsuitable for participation by the investigator (e.g., severe cardiac, hepatic, or renal insufficiency).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ambulation recovery assessment;Postoperative analgesic efficacy rating;Intraoperative anesthesia efficacy rating; | — |
Secondary
| Measure | Time frame |
|---|---|
| Anesthesia cost;Intraoperative hemodynamic monitoring (blood pressure, heart rate).;Patient and surgeon satisfaction.;Time to first oral intake postoperatively.; | — |
Countries
China
Contacts
Public ContactXu Kaicheng
China-Japan Union Hospital of Jilin University
Outcome results
None listed