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Successful Dual Kidney Transplantation After Hypothermic Oxygenated Perfusion of Discarded Human Kidneys

Challenging differential diagnosis, Unusual setting of medical care

Matteo Ravaioli, Vanessa De Pace, Giorgia Comai, Marco Busutti, Massimo Del Gaudio, Annalisa Amaduzzi, Alessandro Cucchetti, Antonio Siniscalchi, Gaetano La Manna, Antonietta A.D. D’Errico, Antonio Daniele Pinna

(Department of Medical and Surgical Sciences, S. Orsola-Malpighi Hospital, Alma Mater Studiorum, University of Bologna, Bologna, Italy)

Am J Case Rep 2017; 18:1009-1013

DOI: 10.12659/AJCR.905377

Published: 2017-09-20


BACKGROUND: The recovery of discarded human kidneys has increased in recent years and impels to use of unconventional organ preservation strategies that improve graft function. We report the first case of human kidneys histologically discarded and transplanted after hypothermic oxygenated perfusion (HOPE).
CASE REPORT: Marginal kidneys from a 78-year-old woman with brain death were declined by Italian transplant centers due to biopsy score (right kidney: 6; left kidney: 7). We recovered and preserved both kidneys through HOPE and we revaluated their use for transplantation by means of perfusion parameters.
The right kidney was perfused for 1 h 20 min and the left kidney for 2 h 30 min. During organ perfusion, the renal flow increased progressively. We observed an increase of 34% for the left kidney (median flow 52 ml/min) and 50% for the right kidney (median flow 24 ml/min). Both kidneys had low perfusate’s lactate levels. We used perfusion parameters as important determinants of the organ discard.
Based on our previous organ perfusion experience, the increase of renal flow and the low level of lactate following 1 h of HOPE lead us to declare both kidneys as appropriate for dual kidney transplantation (DKT). No complications were reported during the transplant and in the post-transplant hospital stay. The recipient had immediate graft function and serum creatinine value of 0.95 mg/dL at 3 months post-transplant.
CONCLUSIONS: HOPE provides added information in the organ selection process and may improve graft quality of marginal kidneys.

Keywords: Donor Selection, Kidney Transplantation, Pulsatile Flow



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