CT三维成像下肾动脉起始部高度及开口方位的调查

World Latest Medicine Information(2015)

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Abstract
目的 探索肾动脉起始部高度及开口方位,为肾脏介入手术提供解剖依据.方法 选取无肾脏及肾周疾病,肾功能正常需行肾脏CT增强扫描的患者443例,静脉注射造影剂30秒后行CT扫描,扫描后图像拆薄重建,在MPR图像上对肾动脉起始部方位进行观察,运用ruler工具对肾动脉起始部高度进行测量.结果 (1)主肾动脉起始部高度,以第二腰椎上缘为基准,左肾为0.31±11.00mm,右肾为4.29±11.33mm,有统计学差异(P<0.01).(2)肾动脉起始部方位,左肾前侧位、侧位、后侧位所占比例分别为16.9%,60.7%和22.4%;右肾前侧位、侧位、后侧位所占比例分别为57.8%、39.0%和3.2%,有统计学差异(P<0.01).结论 肾动脉起始部平均高度右侧比左侧高,肾动脉起始部方位左侧以侧位为主,右侧以前侧位为主.
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