Methods: Venous arterialization was performed in 31 ischemic limbs with extensive arterial occlusion and observe the changes of pre-and post-operation of the symptoms and signs of the lower extremity.

• 方法：对31例下肢动脉广泛闭塞的血检闭塞性脉管炎患者行静脉动脉化手术，严密观察手术前后肤体症状和体征的变化，总结治疗经验。