Abstract #1583

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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