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Related Concept Videos

Kidney Transplant I: Introduction01:28

Kidney Transplant I: Introduction

A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living donor...

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Related Experiment Video

Updated: Jul 9, 2026

Normothermic Ex Vivo Kidney Perfusion for the Preservation of Kidney Grafts prior to Transplantation
08:12

Normothermic Ex Vivo Kidney Perfusion for the Preservation of Kidney Grafts prior to Transplantation

Published on: July 15, 2015

Improved kidney graft function after preservation using a novel hypothermic machine perfusion device.

Mark-Hugo J Maathuis1, Steffen Manekeller, Arjan van der Plaats

  • 1Surgical Research Laboratory, Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands. m.h.j.maathuis@chir.umcg.nl

Annals of Surgery
|November 29, 2007
PubMed
Summary

The Groningen Machine Perfusion (GMP) system enhances kidney graft viability compared to static cold storage. Optimal perfusion pressures are crucial for successful kidney preservation and transplantation outcomes.

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Area of Science:

  • Transplantation research
  • Organ preservation techniques
  • Nephrology

Background:

  • Increasing demand for viable organs from marginal and non-heart-beating donors.
  • Limitations of static cold storage (CS) for organ preservation.
  • Hypothermic machine preservation (HMP) as a promising alternative.

Purpose of the Study:

  • To evaluate the efficacy of the novel Groningen Machine Perfusion (GMP) system.
  • To compare GMP with static cold storage (CS) for kidney preservation.
  • To assess graft function and ischemia/reperfusion injury in a porcine model.

Main Methods:

  • Porcine autotransplantation model.
  • Kidney preservation using static cold storage (UW solution, 20 hours, 4°C).
  • Kidney preservation using hypothermic machine perfusion (GMP system, UW solution, 4°C, 30/20 mmHg or 60/40 mmHg).

Main Results:

  • HMP at 30/20 mmHg significantly improved kidney viability, cortical microcirculation, and reduced tubular damage and inflammation.
  • Lower perfusion pressures (30/20 mmHg) demonstrated superior outcomes compared to higher pressures.
  • Higher perfusion pressures (60/40 mmHg) led to increased inflammatory markers and graft thrombosis.

Conclusions:

  • The GMP system effectively improves kidney graft viability.
  • Perfusion pressure is a critical factor influencing outcomes in machine perfusion preservation.
  • Optimized HMP offers a superior alternative to static cold storage for kidney preservation.