Materials and methods: 54 Percutaneous Transluminal Popliteal Venography (PTPV) were done in 45 patients, functions of 195 pairs of venous valvular in superficial and popliteal venous were evaluated.
材料与方法:45例患者,54条下肢经穿造影,共检测股浅—静脉中195对瓣膜的4种功能(正常、轻度、中度、重度损害)。
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