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目的研究彩色多普勒超声在鉴别不同类型移植肾急性移植肾排异中的价值。方法回顾性地总结了１１２例经组织穿刺活检病理证实的不同类型移植肾急性排异的彩色多普勒超声表现。结果肾血管血流参数ＰＩ、ＲＩ值在急性移植肾血管排异组与细胞排异组、临界改变组之间有显著性差异。结论彩色多普勒超声在鉴别移植肾急性血管性排异和细胞性排异之间有一定价值，但对于鉴别血管性排异与混合性排异、细胞性排异与临界改变之间的作用还难以肯定
Objective To study the value of color Doppler ultrasound in differentiating acute renal transplant rejection of different types of renal allografts. Methods We retrospectively reviewed the color Doppler ultrasound manifestations of 112 cases of acute renal allograft rejection confirmed by histopathological biopsy. Results The values of PI and RI of renal blood flow parameters were significantly different between the acute rejection group and the rejection group. Conclusions Color Doppler ultrasound has some value in differentiating acute vascular rejection and cellular rejection of renal allograft. However, the role of color Doppler ultrasound in discriminating vascular rejection and mixed rejection, cellular rejection and critical change Still not sure