Geneva, March 23 -- International Clinical Trials Registry received information related to the study (ChiCTR2600120077) titled 'Ultrasound-Guided Lidocaine-Ropivacaine Nerve Block for Anesthesia in Great Saphenous Vein High Ligation and Stripping: A Clinical Evaluation' on March 9.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: China-Japan Union Hospital of Jilin University

Condition: Great Saphenous Vein Varicosities

Intervention: 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, genitof...