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目的对照多层螺旋CT血管成像(MSCTA)、磁共振血管成像(MRA)及数字化减影肾血管造影术(DSRA)评价亲属供肾血管准确性。方法28例亲属供肾者,16例采用DSRA,6例采用MRA,6例采用MSCTA评价其肾血管情况。将三种影像的检查结果与术中所见对比。结果28例供者共显示肾动脉60支,16例DSRA检查中,13例显示双肾单支动脉血供,2例左肾单支极血管,1例右肾单支极血管;6例MRA检查中,均显示双侧单支肾动脉血供,但手术证实有1例伴左肾上极动脉和1例左肾动脉早期分支;6例MSCTA检查中,1例右肾单支上极动脉,另1例左肾动脉早期分支。结论本组资料显示术前采用DSRA及MSCTA进行供肾血管评价与手术所见一致,准确性较MRA高;MSCTA可作为亲属供肾术前血管无创评价的首选方法。
Objective To evaluate the accuracy of renal blood supply in the relatives by multi-slice spiral CT angiography (MSCTA), magnetic resonance angiography (MRA) and digital subtraction renal angiography (DSRA). Methods 28 cases of relatives of kidney donors, 16 cases of DSRA, 6 cases of MRA, 6 cases of MSCTA assessment of renal vascular conditions. The results of the three images compared with the intraoperative findings. Results A total of 60 renal arteries were displayed in 28 donors. Of the 16 DSRA cases, 13 showed bilateral single renal artery donors, 2 left renal single vessels, and 1 patent right renal blood vessel. MRA In the examination, bilateral single renal artery blood supply was shown, but 1 case had anterior branch of the left renal artery and 1 case of the left renal artery. 6 cases of MSCTA examination, Another case of the left renal artery early branch. Conclusion The data of this group show that the preoperative evaluation of DSRA and MSCTA for renal vascularization is consistent with the surgical findings, and the accuracy is higher than that of MRA. MSCTA can be used as the first choice for noninvasive evaluation of preoperative blood vessels of the donor kidney.