The Journal of cardiovascular surgery · 2024
Two-year outcome of the paclitaxel-eluting Legflow balloon catheter in the treatment of long and complex femoropopliteal lesions.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Bosiers Marc, Deloose Koen, Torsello Giovanni, Scheinert Dierk, Verbist Jürgen, VAN DEN Eynde Wouter, Maene Lieven, Beelen Roel, Keirse Koen, Hendriks Jeroen, Callaert Joren, Bosiers Michel
Аннотация
BACKGROUND: To investigate the long-term efficacy of the paclitaxel-eluting Legflow balloon catheter in the treatment of "real-world" long and complex femoropopliteal lesions.
METHODS: The REFLOW study was a prospective, multi-national, non-randomized, single arm study evaluating the long-term safety and efficacy of the Legflow paclitaxel-eluting balloon dilatation catheter in the treatment of stenotic or occlusive lesions >150 mm long in the femoropopliteal arteries of symptomatic patients (Rutherford 2-5). A total of 120 study subjects were enrolled in a period of 30 months, between October 2015 and May 2018. The mean age was 71.1 years and 79 patients were men (65.8%). Mean lesion length was 216.1 mm. 45.0% of the lesions were occluded, whereas 55.0% were stenotic. For this extended study follow-up, 100 out of 120 patients agreed to participate. The primary endpoint was primary patency at 24 months, defined as absence of a hemodynamically significant stenosis on duplex ultrasound (systolic velocity ratio no greater than 2.4) at the target lesion and without TLR within 24 months.
RESULTS: Primary patency was 70.50% at 2 year. Freedom from TLR was 76.10% at 2 year.
CONCLUSIONS: Longer term follow-up confirms there is no safety-concern on this paclitaxel device. The excellent results of the newer drug-eluting devices, and the Legflow paclitaxel-eluting balloon in particular, is a valid and effective alternative to treat long and complex "real-world" femoropopliteal lesions.
METHODS: The REFLOW study was a prospective, multi-national, non-randomized, single arm study evaluating the long-term safety and efficacy of the Legflow paclitaxel-eluting balloon dilatation catheter in the treatment of stenotic or occlusive lesions >150 mm long in the femoropopliteal arteries of symptomatic patients (Rutherford 2-5). A total of 120 study subjects were enrolled in a period of 30 months, between October 2015 and May 2018. The mean age was 71.1 years and 79 patients were men (65.8%). Mean lesion length was 216.1 mm. 45.0% of the lesions were occluded, whereas 55.0% were stenotic. For this extended study follow-up, 100 out of 120 patients agreed to participate. The primary endpoint was primary patency at 24 months, defined as absence of a hemodynamically significant stenosis on duplex ultrasound (systolic velocity ratio no greater than 2.4) at the target lesion and without TLR within 24 months.
RESULTS: Primary patency was 70.50% at 2 year. Freedom from TLR was 76.10% at 2 year.
CONCLUSIONS: Longer term follow-up confirms there is no safety-concern on this paclitaxel device. The excellent results of the newer drug-eluting devices, and the Legflow paclitaxel-eluting balloon in particular, is a valid and effective alternative to treat long and complex "real-world" femoropopliteal lesions.