Comparison of Perfusion Indices Derived from Intravoxel Incoherent Motion and Arterial Spin Labeling MRI: Results in Native and Transplanted Kidneys
Tao Ren1, Pan-Li Zuo2, Thorsten Feiweier3, Niels Oesingmann4, Andre-de Oliveira3, Li-Hua Chen5, Cheng-Long Wen5, and Wen Shen5
1Radiology, Tianjin Medical University First Center Hospital, Tianjin, China, People's Republic of, 2Beijing, China, People's Republic of, 3Erlangen, Germany, 4New York, NY, United States, 5Tianjin, China, People's Republic of
We
collected 20 volunteers and 62 renal allograft recipients who underwent intravoxel
incoherent motion (IVIM) and arterial spin labeling (ASL) MRI. Comparing
cortical perfusion indices, ADCfast and PF derived from IVIM with
RBF derived from ASL in native and transplanted kidneys. We found that mean
cortical RBF exhibited a significant correlation with PF (R =0.50, P <0.05) in the native
kidneys, but both with ADCfast (R =0.26, P <0.05) and PF (R =0.32, P
<0.05) in renal allografts. ADCfast and PF are effective indices
for monitoring renal perfusion, as well as RBF.
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