研究单位：[1]Chinese Medical Association[2]Anhui Provincial Hospital,Hefei, Anhui, China, 230001[3]Xuanwu Hospital,Beijing, Beijing, China, 100053[4]The First Affiliated Hospital of Chongqing Medical University,Chongqing, Chongqing, China, 400016[5]Gulou Hospital,Nanjing, Jiangsu, China, 210000[6]Nanjing first hospital,Nanjing, Jiangsu, China, 210001[7]Shanghai Ninth People's Hospital,Shanghai, Shanghai, China, 20000[8]Shanghai Renji Hospital,Shanghai, Shanghai, China, 20000[9]Shanghai Zhongshan Hospital,Shanghai, Shanghai, China, 20000[10]Shanxi da Hospital,Taiyuan, Shanxi, China, 030000[11]The Affiliated Hospital of Southwest Medical University,Luzhou, Sichuan, China, 646000[12]People's Hospital of XinJiang Uygur Autonomous Region,Urumqi, Xinjiang, China, 830001
研究目的：
In the endoscopic treatment of superficial femoral artery and/or proximal popliteal artery in patients with lower extremity arteriosclerosis occlusion, the intercalation caused by the predilation of increasing caliber balloon and matching caliber balloon was compared, and then the impact of the two predilation methods on the intraoperative treatment strategy and short and medium-term prognosis was analyzed. The study was designed as a prospective, multi-center, single-blind, randomized, controlled study. It is planned to set up 5-10 research centers with 340 subjects, and the single center will be less than or equal to 100 subjects, in the form of competition from each research center.
