Abstract #0479

Prognostic potential of multiparametric MRI in the assessment of renal allografts early after transplantation

Rebeca Echeverria-Chasco^1,2, Paloma L. Martin Moreno³, Nuria Garcia-Fernandez^2,3, Marta Vidorreta⁴, Anne Oyarzun⁵, Arantxa Villanueva Larre^2,5,6, Gorka Bastarrika^1,2, and Maria A. Fernandez-Seara^1,2

¹Radiology, Clinica Universidad de Navarra, Pamplona, Spain, ²IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain, ³Nephrology, Clinica Universidad de Navarra, Pamplona, Spain, ⁴Siemens Healthcare, Madrid, Spain, ⁵Electrical Electronics and Communications Engineering, Public University of Navarre, Pamplona, Spain, ⁶ISC, Institute of Smart Cities, Pamplona, Spain

Synopsis

Purpose: to evaluate the prognostic potential of a multiparametric renal MRI protocol (perfusion, diffusion and T1) for the assessment of the allograft in the very early stages after transplantation.

Methods: 18 transplanted patients were imaged 6 days after the transplantation with ASL, IVIM and T1 mapping sequences. 2 groups were made depending on the allograft evolution (group A: no adverse events and group B: any adverse event).

Results: eGFR, album-creatinine ratio and cortical and medullary RBF were significantly higher in allografts of group A than in group B. Significant correlations between eGFR and RBF were found.

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