CT血管造影显示旋股外侧动脉穿支.pdf

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CT血管造影显示旋股外侧动脉穿支

中国介入影像与治疗学 年第 卷第 期 2015 12 10  Chin J Interv Imaging Ther,2015,Vol 12,No 10 · 936 · CT angiograph in lateral circumflex femoral artery perforators visualization ZHU Hong-zhang1,YANG Xu-feng1,YANG You-you1* ,ZHAI Feng-yi1, ZHU Qing-tang2,LI Zi-ping1,YANG Jian-yong1 (1.Department of Radiological Diagnosis,2.Department of Microsurgery,the First Affiliated Hospital of Sun Yat-sen University,Guangzhou510080,China) [Abstract]  Objective  To assess the efficiency of different CTA scan protocols in lateral circumflex femoral artery (LCFA)perforators visualization.Metheods A total of 28patients with traumatic limbs except of thighs and 27healthy volunteers were enrolled and randomly divided into 3groups.There were 15subjects(30thighs)in group A underwent bi- lateral thighs low radiation dose CTA,15subjects(30thighs)in group B underwent bilateral thighs conventional radiation dose CTA and 25subjects(25thighs)in group C underwent unilateral thigh conventional radiation dose CTA.The radia- tion absorbed dose was recorded.And the vascular status and origin of LCFA,inner diameter of LCFA ostia,inner diame- ters of,descending branch ostia,length of descending branch,visualized grade of descending branch,numbers of descend- ing branch perforator and smallest inner diameter of descending branch perforator extremity were observed and measured. Results CTA scaning for 1patient in group B (2thighs)was canceled due to contrast media extravasation.Totally there were 83thighs in 3groups.LCFA originated from femoral artery in 7thighs of group A,8thighs of group B and 6thighs of group C.While LCFA originated from deep femoral artery in 23thighs of group A,20thighs of group B and 19thighs

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