It is an effective therapy to perform arterial reconstruction for the lower extremity arterial occlusion.

Objective To explore the safety and validity of subintimal angioplasty (SIA) for the superficial femoral artery occlusions in the lower extremities.

Objective To investigate the feasibility of recanalizing occluded arteries in arteriosclerosis obliterans by intravascular ultrasound thrombolysis through percutaneous approach.