Endovenous laser ablation (EVLA) is a new method for treating greater saphenous vein insufficiency. Most of physicians use local anesthesia for needle punctures and tumescent anesthesia (TA) to prevent pain and protects the surrounding tissues from the conduction of heat that would originate from the effects of laser energy on the venous wall. The aim of this study is to compare the use of local tumescent anesthesia alone or combined with ultrasound guided femoral and obturator nerve blocks for

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... treatment of varicose veins by endovenous laser ablation. Methodology: This is a randomized, double blind study included 80 patients scheduled for endovenous laser ablation for varicose veins of the great saphenous vein (GSV) located in the anterior or medial aspect of the leg were prospectively divided into two groups of 40 patients each. Group (A) had EVLA using tumescent anesthesia given by the surgeon. Group (B) had femoral and obturator nerves block before tumescent anesthesia was done. Intraoperative pain associated with applying the tumescent anesthesia and during performing ablation was measured using visual analogue scale. Volume of tumescent was compared in both groups. After finishing the operation, femoral and obturator motor block were evaluated. Postoperative VAS, time of stay in recovery area, patient and doctor satisfaction were also measured.