The B ultrasound examination and intravenous antegrade angiography of deep vein of inferior member before operation showed back flow existed in all 5 limbs in A group ,28 limbs in B and C group , flow back time >0.5s,PVI lies in all the 36 limbs .
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释义
术前B超及深静脉造影检查显示A组中的5条、B组和C组28条肢体全部存在股浅静脉返流;返流时间>0.;5s;36条肢体均存在PVI。
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