Treatment of the incompetent great saphenous vein by endovenous radiofrequency powered segmental thermal ablation: first clinical experience

Journal of Vascular Surgery
Thomas Michael ProebstleOlivier Pichot

Abstract

Radiofrequency ablation of saphenous veins has proven efficacy with an excellent side effect profile but has the disadvantage of a lengthy pullback procedure. This article reports a new endovenous catheter for radiofrequency-powered segmental thermal ablation (RSTA) of incompetent great saphenous veins (GSVs). A prospective, nonrandomized, multicenter study was conducted to evaluate the safety, feasibility, and early clinical outcomes of RSTA of the GSV. A total of 194 patients with 252 GSVs with an average diameter of 5.7 +/- 2.2 mm (range, 2.0 to 18.0 mm) received RSTA under tumescent local anesthesia. In 58 patients (29.9%), bilateral treatment (average length treated, 36.7 +/- 10.8 cm) was done. The average total endovenous procedure time was 16.4 +/- 8.2 minutes, and the average total energy delivery time was 2.2 +/- 0.6 minutes. The corresponding endovenous fluence equivalent delivered to the proximal 7-cm vein segment was 82 +/- 25 J/cm(2) (range, 38 to 192). Follow-up at 3 days, 3 months, and 6 months was obtained from 250, 164, and 62 limbs, respectively. Occlusion rates were 99.6% for all three follow-up dates according to life-table analysis. The average Venous Clinical Severity Score was 3.4 +/- 1.2 at 3 days, 0.9 +...Continue Reading

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