Research advances on the applications of functional magnetic resonance imaging for evaluating kidney transplant function
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维普
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肾移植术后及时发现移植肾功能变化,可以指导临床管理治疗,从而预防或延缓移植肾的不可逆损害.移植肾的功能磁共振成像(functional magnetic resonance imaging,fMRI)是具有良好临床应用前景的非侵入性检查技术,可以显示移植肾的微观结构和微功能信息.近年来,多种扩散成像、动脉自旋标记、血氧水平依赖磁共振成像等技术已逐步应用于移植肾功能评估,从移植肾水分子扩散、血流灌注及血氧水平等微观角度对移植肾功能进行无创评估.本文就多种fMRI技术在评估移植肾功能和鉴别移植肾功能减退原因等中的应用情况做综述,以期为临床诊断提供新思路.
After kidney transplantation,timely detection of changes in transplanted kidney function may guide clinical managements and prevent or delay irreversible damage to transplanted kidney.Functional magnetic resonance imaging(fMRI)of transplanted kidney is a promising non-invasive technique of acquiring microstructural and micro functional profiles of transplanted kidney.In recent years,various diffusion imaging modalities,arterial spin labeling(ASL)and blood oxygen level dependent-magnetic resonance imaging(BOLD-MRI)have gradually been applied for transplant kidneys.Transplant kidney function may be evaluated non-invasively from such microscopic perspectives as water molecule diffusion,blood flow perfusion and blood oxygen level.This review focused upon evaluating the renal function and identifying the causes of the renal function decline of transplanted kidney through various fMRI techniques and provide new rationales for clinical diagnosis.
Functional magnetic resonance imagingKidney transplantationGraft renal functionIntravoxel incoherent motionDiffusion tensor imagingArterial spin labelingBlood oxygen level dependent magnetic resonance imaging
维普
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