结论肝移植术中可以采用下腔静脉壁前半钳夹，解决无肝期下肢静脉回流障碍。
Conclusion Clamping the front part of the inferior vena cava can solve the returning obstacles of the lower limb vein (during no liver period).
下肢静脉疾病按血流动力学变化，可分为血液倒流和回流障碍两大类。
Venous disorders of the lower extremity may be divided hemodynamically into 2 groups: blood reflux and blockage of venous return.
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