We evaluated the surgical outcomes and postoperative venous functions achieved with each of our surgical procedures for primary varicose veins of great saphenous trunk. Thigh stripping combined with saphenous trunk foam sclerotherapy, endovenous laser ablation with 980-nm diode laser combined with saphenous trunk foam sclerotherapy and subfascial endoscopic perforating vein surgery combined with stripping achieved good surgical outcomes. Postoperative venous function by air plethysmography showed significant improvement with all surgical procedures. In our surgical experience with primary varicose veins of great saphenous trunk, endovenous laser ablation combined with saphenous trunk foam sclerotherapy should be performed if the average diameter of the saphenous vein with valvular insufficiency is less than 10 mm and thigh stripping combined with saphenous trunk foam sclerotherapy should be performed if the average diameter exceeds 10 mm in C2–C4a cases of the CEAP classification. In C4b–C6 cases of the CEAP classification, subfascial endoscopic perforating vein surgery combined with stripping should be performed. Based on good surgical outcomes and improvement of postoperative venous functions with all surgical procedures, we conclude that our surgical strategy for primary varicose veins of saphenous trunk is adequate.

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