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INTRODUCTION: Chronic venous insufficiency (CVI) is a common disease in the community. Endovascular procedures have been widely used in the treatment of this disease in recent years. In this study, we aimed to reveal the results of radiofrequency ablation (RFA) treatment and compare the local / spinal anesthesia in the treatment of great saphenous vein insufficiency. METHODS: One hundred and fifty-three(153) patients who underwent RFA treatment due to great saphenous vein insufficiency between January 2016- 2018 were included in the study retrospectively. Operations were performed under spinal anesthesia or local anesthesia. Group 1 was used for local anesthesia while Group 2 was used spinal anesthesia. RESULTS: Local anesthesia was used in 105(68.6%) patients(Group 1) and spinal anesthesia was used in 48 (31.4%) patients(Group 2). The mean age of the patients was 36.1 +- 9.2 years in Group 1 and 36.5 +- 7.7 in Group 2 (p = 0.794). Female gender ratios were 60% in Group 1 and 54.2% in Group 2 (p = 0.497). Postoperatively, 9 patients had ecchymoses, 9 patients had hematoma, 4 patients had thrombophlebitis, 3 patients had cellulitis, 11 patients had paresthesia and 1 patient developed deep vein thrombosis. There was no statistically significant difference between the groups in terms of complications. The total stay of hospitalization was 11.9 +- 8.5 hours. DISCUSSION AND CONCLUSION: The RFA method can be used safely to treat great saphenous vein insufficiency. Use of local anesthesia in this treatment may shorten hospitalizations.