Value of percutaneous transluminal angioplasty in the treatment of infrapopliteal arterial occlusive diseasesXU Xin,ZHANG Wenbo,YANG Jue,et al.Department of Vascular Surgery,Zhongshan Hospital,Fudan University,Shanghai 200032,China Corresponding author:FU Weiguo，Email:fu.weiguo@zshospital.sh.cn AbstractObjectiveTo investigate the value of endovascular surgery in the treatment of infrapopliteal arterial occlusive diseases.MethodsThe clinical and followup data of 86 patients (90 limbs) with infrapopliteal arterial occlusive diseases admitted between February 2006 and May 2008 in the Department of Vascular Surgery of Zhongshan Hospital of Fudan University were analyzed retrospectively.ResultsEightysix patients (90 limbs) were treated by percutaneous transluminal angioplasty (PTA).Angiographic success on the limb basis was achieved in 82 of 90 treated limbs (defined as the residual stenosis of the treated segment was less than 30%) and the initial technical success rate was 911%.Doppler anklebrachial index (ABI) increased from 034±016 to 085±023 (pre vs. post).The 12month accumulated primary patency rate,24month accumulated primary patency rate,survival rate and limb salvage rate were 612%，495%,978% and 978% respectively.ConclusionPTA is feasible as a primary invasive treatment for infrapopliteal arterial occlusive lesions in patients with chronic critical limb ischemia, yielding acceptable primary clinical success with a low complication rate and resulting in　moderate longterm clinical patency and a high limb salvage rate．