【摘要】 目的 探讨股-腘动脉闭塞后侧支血管形成的64层螺旋CT血管成像(MSCTA)表现,旨在为临床手术方案提供依据。方法 回顾性分析41例股-腘动脉闭塞后侧支血管形成的MSCTA表现,其中13例与DSA结果进行比较。结果 股-腘动脉周围出现侧支循环者男性占绝对多数,在出现侧支血管的31例患者中,闭塞长度≤5 cm者6例(6/31,19.35%),>5 cm且≤15 cm者8例(8/31,25.81%),>15 cm者17例(17/31,54.84%);闭塞位置位于上段/中上段者右侧8支,左侧6支,位于下段/中下段者右侧3支,左侧4支,全长闭塞者右侧4支,左侧5支;TASCⅡA级+B级共8例(8/31,25.81%),C级+D级共23例(23/31,74.19%)。2名主治以上医师对CTA与DSA侧支情况比较结果,两者侧支数目一致的5例(5/13,38.5%),DSA侧支血管数目多于CTA的6例(6/13,46.2%),CTA侧支血管数目多于DSA的2例(2/13,15.4%)。结论 MSCTA可显示股-腘动脉闭塞患者的侧支血管情况,闭塞位置位于上段/中上段以及TASCⅡ-C、D级形成侧支几率较大,闭塞长度并不是侧支血管形成的关键因素。更多还原

【Abstract】 Objective To evaluate 64-slice spiral CT angiography(MSCTA) findings of collateral circulation secondary to femoropopliteal artery occlusive disease,and to provide a reasonable proposal for the clinical operation.Methods MSCT A findings of 41patients with collateral circulation secondary to femoropopliteal artery occlusive disease were analyzed.Collateral vessels of 13 patients on CTA were compared with DSA.Results The femoral-popliteal artery with collateral circulation all occluded,men accounted for an absolute majority.Among the 31 patients with collateral vessels,occlusion length was≤5 cm in 6 cases(6/31,19.35%),> 5≤15 cm in 8 cases(8/31,25.81%),>15 cm in 17 cases(17/31,54.84%);the location of occlusion in the upper/middle and upper of the right femoral-popliteal artery were in 8 cases and in the left in 6 cases the lower/middle and lower of the right femoralpopliteal artery in 3 cases and in the left in 4 cases,and in full-length of the right femoral-popliteal artery in 4 cases in the left in 5 cases;TASC Ⅱ grade A plus B were showed in 8 cases(8/31,25.81%),grade C plus D in 23 cases(23/31,74.19%).Two physicians compared the results of collateral circulation between the CTA and DSA,there were 5 cases(5/13,38.5%) conformed completely,more collateral vessels on DSA than CTA in 6 cases(6/13,46.2%),more collateral vessels on CTA than DSA in 2 cases(2/13,15.4%).Conclusion MSCTA could identify collateral circulation secondary to femoropopliteal artery occlusive disease.Collateral circulation of femoropopliteal artery occlusion is correlated with the location(superior segment) and grade(TASC Ⅱ-C,D),no correlated with the length.It shows more extensive collateral vessels on DSA than that on CTA.更多还原