The TOPOS study

Background: We aimed to study the long-term safety and efficacy of oblique venous stents for post-thrombotic syndrome (PTS) with iliac vein compression. Patients and methods: In the multinational, prospective, single-arm TOPOS study, PTS patients scheduled for endovascular therapy with the sinus-Obliquus^(®) stent and optional distal extension with the sinus-Venous^(®) or sinus-XL Flex^(®) stent were enrolled at eight European vascular centres between October 2016 and December 2020. The …