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  • Title: Lower prevalence of stump reflux after endovenous laser flush ablation of the great saphenous vein.
    Author: Rits J, Maurins U, Rabe E, Kadiss A, Prave S, Vigants R, Brunenieks I, Pannier F.
    Journal: Vasa; 2022 Jul; 51(4):222-228. PubMed ID: 35532031.
    Abstract:
    Background: This single center prospective randomized study was performed to compare the effect of endovenous laser flush ablation (EVLAf) of the great saphenous vein (GSV) close to the sapheno-femoral junction (SFJ) with a standard ablation (EVLAs) up to two cm distally of the SFJ on reflux in the GSV stump. Patients and methods: Between April 2013 and January 2016, 146 legs in 146 consecutive patients, meeting the inclusion/exclusion criteria, were treated by EVLA. All patients were randomized into 2 groups. In group 1 EVLAf started from the SFJ level, and in group 2 EVLAs started two cm below the SFJ. The primary endpoint was reflux in the GSV stump after 900 days. Secondary endpoints were reflux in the anterior accessory saphenous vein (AASV), proximal clinically recurrent varicose veins related to reflux in the stump and/or the AASV. Results: At day 900, 27 patients were lost to follow-up. Reflux in the stump was detected in 3.6% in group 1 and in 22.2% in group 2 (p<0.05). Reflux in the AASV was present in 7.1% in group 1 and in 17.46% in group 2 (p=0.09). Proximal clinically recurrent varicose veins were observed in 8.9% in group 1 and in 19.1% in group 2 (p=0.12). The greatest diameter of the stump was significantly larger in group 2 (group 1: 0.41 cm, group 2: 0.6 cm, p<0.001). Conclusions: EVLAf is associated with a significantly lower incidence of reflux in the GSV stump, with a trend to a lower incidence of reflux in the AASV and with a lower incidence of proximal recurrent varicose veins after 900 days follow-up compared to EVLAs. EVLAf may improve the clinical recurrence rate after EVLA of the GSV.
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