Transfixing Endovenous Thermal Ablation (TEThA) for varicose veins treatment - A prospective single-arm study

Nara Medeiros Cunha deMelo Vasconcelos, Marcelo Halfen Grill, Gabriela de Oliveira Buril, Fabrício Rodrigues Santiago, Renata Camila Barros Rodrigues, Gabriel Henrique Simoni, Marcela Zanoni, Isabela Zampirolli Leal, Viviane Santana da Silva, Walkiria Hueb Bernardi, Roberto Augusto Caffaro, Eduardo Ramacciotti, Vascular Surgery Department, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Vascular Surgery Department, Universidade Federal do Rio Grande do Norte, Vascular Surgery Department, Universidade Federal do Pernambuco, Vascular Surgery Department, Universidade Federal de Goiás, Science Valley Research Institute, São Paulo, Thrombosis Research Laboratories at Loyola University Medical Centre

Phlebology: The Journal of Venous Disease

Published online on February 14, 2026

Abstract

Phlebology, Ahead of Print.
BackgroundVaricose veins impact quality of life in patients with chronic venous disease (CVD), and their optimal treatment remains unclear. The Transfixing Endovenous Thermal Ablation(TEThA) technique is a procedure that consists of endovenous laser ...