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A protocol for rat kidney normothermic machine perfusion and subsequent transplantation
Jan Czogalla1,2, Florian Grahammer1,2, Victor G Puelles1
1III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Artificial Organs
|August 12, 2020
Summary
Normothermic machine perfusion (NMP) offers a novel way to preserve donor kidneys, potentially increasing organ availability and reducing graft failure. This study reports the first small animal model of NMP for transplantation.
Area of Science:
- Nephrology
- Transplantation immunology
- Surgical innovation
Background:
- End-stage renal disease (ESRD) presents a significant global health challenge.
- Renal transplantation is the only definitive treatment for ESRD, but organ supply is limited.
- Existing organ preservation methods face limitations in expanding donor pools and preventing graft failure.
Purpose of the Study:
- To introduce and validate a novel small animal model for normothermic machine perfusion (NMP) of kidneys.
- To assess the feasibility of NMP in a small animal model for potential transplantation.
- To explore NMP as a method to potentially expand donor criteria and improve graft survival.
Main Methods:
- Development of a small animal model for normothermic machine perfusion (NMP).
- Perfusion of donor kidneys using a specialized machine and buffer solution.
- Subsequent transplantation of NMP-preserved kidneys into recipients.
- Evaluation of graft function and viability post-transplantation.
Main Results:
- Successful establishment of a small animal model for NMP.
- Demonstration of NMP's potential in preserving kidney grafts in a small animal setting.
- Preliminary data suggesting feasibility for subsequent transplantation.
Conclusions:
- Normothermic machine perfusion (NMP) can be modeled in small animals, offering a new platform for research.
- This model holds promise for refining NMP techniques and improving organ preservation strategies.
- Further studies are warranted to optimize NMP and assess its long-term impact on graft outcomes in transplantation.

