Objective To evaluate the operation of annular constriction of popliteal vein for treating deep venous insufficiency of low limbs by color Doppler imaging.
目的利用彩色多普勒超声技术通过观察术前和术后腘静脉相关指标，评价腘静脉环缩术治疗下肢深静脉返流性疾病的疗效。
Objective To evaluate the operation of annular constriction of popliteal vein for treating deep venous insufficiency of low limbs by color Doppler imaging.
目的利用彩色多普勒超声技术通过观察术前和术后腘静脉相关指标，评价腘静脉环缩术治疗下肢深静脉返流性疾病的疗效。
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