【摘要】 目的 探讨彩色多普勒超声在诊断早期移植肾急性排斥中的临床价值。方法对187例肾移植患者，于术后3～30天内行彩色多普勒超声检查，对移植肾二维灰阶图象、彩色血流图、及肾主动脉、段动脉、叶间动脉、弓状动脉、小叶间动脉血流阻力指数(RI)、搏动指数(PI)、收缩期峰值流速(Vp)等参数进行分析。结果 以肾动脉Vp>110cm/s，RI>0.74，PI>1.81、小叶间动脉RI=1作为移植肾早期急性排斥诊断标准，则敏感性92%、特异性88%。结论 应用彩色多普勒超声诊断移植肾早期急性排斥，具有快速、无创等优点，可提早发现病情变化并指导治疗，提高移植肾存活率。

    关键词 肾移植 急性排斥 多普勒超声

    The research of evaluating acute rejection of

    kidney transplantation by color Doppler

    Zeng Bidan，Qiu Shaodong，Liu Jigao，et al.

    The Second Affiliated Hospital of Guangzhou Medical College，Guangzhou510260.

    【Abstract】 Objective To evaluate the ability of data-based analysis by color Doppler in diagnosing acute rejection of kidney transplantation.Methods Summarizing the test results of187cases in3-30days after kidney transplantation by integrating the clinical signs ......