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Abstract #2750

Reproducibility of multiparametric MRI in transplanted kidneys

Rebeca Echeverria-Chasco1,2, Marta Vidorreta3, Veronica Aramendia-Vidaurreta2,4, David Cano 1, Gorka Bastarrika2,4, Nuria Garcia-Fernandez2,5, Paloma L. Martin Moreno2,5, and Maria A. Fernandez-Seara2,4
1Radiology, Clínica Universidad de Navarra, Pamplona, NE, Spain, 2IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain, 3Siemens Healthineers, Madrid, Spain, 4Radiology, Clínica Universidad de Navarra, Pamplona, Spain, 5Nephrology, Clínica Universidad de Navarra, Pamplona, Spain

The goals of this work were to test a multiparametric MRI protocol to measure perfusion, diffusion and T1 and to assess inter-session reproducibility in a group of transplanted patients with stable renal function.

18 patients were imaged in 2 exams employing pseudo-continuous arterial spin labeling technique, intravoxel incoherent motion technique and T1 mapping sequence. Reproducibility was assessed using Bland-Altman analysis, within-subject coefficient of variation (CVws) and intra-class correlation coefficient (ICC).

Results of the 3 techniques were promising showing a CVws <20% in most of the cases (especially for T1 and D (<6%)) and high ICC coefficients for PCASL and T1.

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