The DVT rate including EHIT was similar in patients treated with RFA and EVLA and was low. Routine post-operative duplex ultrasound scanning is recommended until the significance of EHIT is better understood, in accordance with consensus guidelines. DVT rates for both techniques compare favourably with those published for saphenous vein stripping.
P Marsh 1, B A Price, J Holdstock, C Harrison, M S WhiteleyDeep vein thrombosis (DVT) after venous thermoablation techniques: rates of endovenous heat-induced thrombosis (EHIT) and classical DVT after radiofrequency and endovenous laser ablation in a single centre. Eur J Vasc Endovasc Surg2010 Oct;40(4):521-7. doi: 10.1016/j.ejvs.2010.05.011. Epub 2010 Jul 23