Day surgery procedure
thrombus, pain, swelling, SVT
SVT, VARICOSE VEINS OF CALF, THROMBUS, VARICOSE VEINS

Examined the shape of great saphenous vein (GSV) by the using of Doppler ultrasound (PHILIPS, Holland) to clear whether it was accompanied with SVT, then mark the site of SVT.Under the guidance of Doppler ultrasound, punctured the medial aspect of the knee's GSV and inserted a 6F vascular sheath (COOK, USA).Inserted a microwave ablation catheter (Nanjing ECO, Nanjing, China) through the vascular sheath, positioning it at least 2 cm away from the junction of the GSV and deep vein.Injected swelling anesthetic solution (500 ml of normal saline mixed with 25 ml of 2% lidocaine and 20 units of adrenaline) into the tissue around the GSV under the monitoring of Doppler ultrasound.Performed intermittent microwave ablation on the trunk of GSV using a microwave therapy apparatus (Nanjing ECO, Nanjing, China) with 65W energy.Injected Polidocanol Injection (Hameln pharmaceuticals GmbH, Hameln, prepared in term of Tessari method) into the site of marked lesion.Made a 0.5 cm incision to hook out the superficial varicose veins of calf, combining with ligation and stripping.Made a 0.5 cm incision on the skin at the site of SVT, hook out the superficial varicose veins, harvest the thrombus, combined with ligation and stripping.Set pressure dressing on the lower limb by elastic bandage.All patients were suggested to wear graduated compression stockings for the next one month. For patients with suffered pain, 0.1 g celecoxib would be taken every 12 h after discharge for 3 days. For patients complicated with SVT, rivaroxaban 10 mg QD was taken orally for one week after discharge.