ObjectiveTo analyze the effect of external valvuloplasty of the superficial femoral vein for primary deep venous valvular incompetence in the lower limbs (PDVI).

• 目的检测股浅静脉瓣膜外修复成形术后血流动力学动态变化,以分析其治疗下肢深静脉瓣膜功能不全的疗效。