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Heterotopic Renal Autotransplantation in a Porcine Model: A Step-by-Step Protocol
J Moritz Kaths1, Juan Echeverri2, Nicolas Goldaracena3
1Multi Organ Transplant Program, Department of Surgery, Toronto General Hospital; Division of Nephrology, The Hospital for Sick Children; moritz.kaths@gmail.com.
Journal of Visualized Experiments : Jove
|March 12, 2016
Summary
This study details a porcine kidney autotransplantation model for evaluating new preservation techniques. This surgical protocol aims to improve outcomes for marginal kidney grafts, crucial for expanding donor availability in transplantation.
Area of Science:
- Nephrology
- Transplantation Surgery
- Surgical Research
Background:
- Kidney transplantation is the preferred treatment for end-stage renal disease, offering improved survival and quality of life over dialysis.
- A critical shortage of donor organs worldwide necessitates the use of marginal kidney grafts from extended criteria donors (ECD) or donation after circulatory death (DCD).
- Advancements in graft preservation and therapeutic strategies are essential to improve outcomes for these marginal grafts.
Purpose of the Study:
- To present a detailed surgical protocol for a porcine kidney autotransplantation model.
- To highlight critical factors for successful experimental outcomes in kidney transplantation research.
- To establish a reliable model for investigating novel preservation techniques and therapeutic approaches for marginal kidney grafts.
Main Methods:
- A step-by-step surgical protocol for porcine kidney autotransplantation is described.
- Key factors including pre- and postoperative care, anesthesia, and surgical technique are emphasized.
- Contralateral native nephrectomy, venous/urinary catheterization, and metabolic cages are utilized for comprehensive graft function assessment.
Main Results:
- The porcine autotransplantation model allows for detailed investigation of graft function without confounding factors like rejection or immunosuppression.
- This model facilitates the evaluation of novel preservation techniques and therapeutic interventions.
- Consistent surgical techniques and attentive perioperative management lead to favorable postoperative outcomes.
Conclusions:
- The porcine kidney autotransplantation model is a valuable tool for advancing research in kidney transplantation, particularly for marginal grafts.
- This model enables the preclinical assessment of innovative preservation strategies and therapies.
- Successful implementation of this model can accelerate the translation of new findings into clinical practice, addressing the organ shortage.