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目的：探讨彩色多普勒超声在诊断、鉴别不同类型的急、慢性移植肾排异的价值。方法：对86例无功能移植肾进行了彩超、临床、病理对照分析。其中59例同时做了彩色能量图。结果：86例无功能移植肾中，急性排异(AR)29例(33.8%)，慢性排异(CR)57例(66.2%)。AR中：血管性排异7例(28%)，间质性排异9例(31%)。混合性排异12例(41%)。CR中：闭塞性脉管类型19例(32%)。移植性肾小球肾病26例(46%)，肾间质硬化型12例(21%)。结论：彩色多普勒超声结合临床诊断移植肾急、慢性排异有显著价值。通过肾脏血流的显示及RI指数的观察对鉴别血管性排异和间质性排异有一定的价值。能对临床为无功能移植肾的切除与否提供依据。“,”Objective:To study the value of color Doppler ultrasound in diagnosing and differential diagnosing various kinds of acute and chronic rejection of transplanted kidney.Methods：The clinical and pathological aspects of color Doppler ultrasound were analyzed in 86 cases with non-functioning transplanted.Kidney among which color power image was also detected.Results:Among the 86 patients,29 cases(33.8%)acquired acute rejection(AR),57 cases(66.2%)acquired chronic rejection.In AR patients,there were 7 cases(28%)of vascular rejection,9 cases(31%)of interstitial rejection and 12 cases(41%)of mixed rejection.In CR patients,there were 19 cases(32%)of vascular obliterans,26 cases(46%)of transplanted glomerulonephritis and 12 cases(21%)of renal interstitial sclerosis.Conclusions:There is significant value of color Doppler ultrasound combined with clinical aspects in diagnosing acute and chronic rejection of transplanted kieney.There is also some significant value in differential diagnosis between the vascular rejection and interstitial rejection via observing the renal blood flow and RI.It can provide diagnosing bases for the surgeons to determine whether to perform the resection on the nonfunctioning kidney.