ObjectiveTo investigate the clinical efficacy of endovenous radiofrequency ablation (RFA) in the treatment of superficial varicosis of lower limbs. MethodsThe clinical data of 216 patients (236 limbs) with superficial varicosis of lower limbs were retrospectively analyzed. The patients undergoing endovenous RFA and high ligation and stripping of the great saphenous vein were assigned to observation group (106 cases) and control group (110 cases), respectively. The operative time, intraoperative bleeding volume, postoperative hospital stays, VAS score 24 hours after operation and postoperative complications, as well as the pre- and post-operative clinical-etiological-anatomical-pathological (CEAP) classification, venous clinical severity score (VCSS) and chronic venous insufficiency questionnaire (CIVIQ) scores were compared between the two groups. ResultsCompared with the control group, patients in the observation group had less intraoperative bleeding volume, shorter postoperative hospital stays, lower VAS score 24 hours after operation and incidence of postoperative complications (all P＜0.05), but there was no statistically significant difference in operative time between the two groups (P＞0.05). One year after operation, the CEAP classifications improved, the VCSS decreased, and the CIVIQ scores increased in both groups as compared to before operation (all P＜0.05), but there were no statistically significant differences in the abovementioned indicators between the two groups (all P＞0.05). The scores of CIVIQ were higher in both groups 3 months after operation than that before operation, and the scores in the observation group were higher than that in the control group (all P＜0.05). ConclusionEndovenous RFA is a simple and minimally invasive method in the treatment of patients with superficial varicosis of lower limbs, with fewer complications, better perioperative experience and quality of life for patients.

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