方法应用静脉造影和双功彩超对动脉旁路术前的自体大隐静脉移植物进行评估，并与术中测量结果进行比较。
Methods Preoperative atherosclerotic patients underwent greater saphenous vein duplex mapping and venography, their maximal internal vein diameters were compared with those of operative detection.
方法应用静脉造影和双功彩超对动脉旁路术前的自体大隐静脉移植物进行评估，并与术中测量结果进行比较。
Methods Preoperative atherosclerotic patients underwent greater saphenous vein duplex mapping and venography, their maximal internal vein diameters were compared with those of operative detection.
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