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Updated: Jun 17, 2025
Normothermic Ex Vivo Kidney Perfusion for the Preservation of Kidney Grafts prior to Transplantation
Published on: July 15, 2015
Allocation Rules and Age-Dependent Waiting Times for Kidney Transplantation
Benedikt Kolbrink1, Nassim Kakavand, Jakob C Voran
1Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany; Department of Internal Medicine III, Cardiology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany; German Center for Cardiovascular Research (DZHK), Partner site Hamburg/Kiel/Lübeck, Germany; Peter L. Reichertz Institute for Medical Informatics (PLTI), TU Braunschweig and Hannover Medical School, Hannover, Germany; German Organ Procurement Organization (DSO), Frankfurt am Main, Germany; Eurotransplant International Foundation, Leiden,Netherlands; Institute of Ethics and History of Medicine, University Medicine Göttingen, Göttingen, Germany; Division of Clinical Transplantation Medicine, Department of General, Visceral, Thoracic, Transplantation and Pediatric Surgery, University Hospital Schleswig Holstein Campus Kiel, Kiel, Germany.
Rigid age limits for kidney transplants in Germany are increasing wait times for patients aged 18-64. Reassessing these allocation rules is crucial for improving patient outcomes and kidney transplant access.
Area of Science:
- Nephrology
- Transplantation Medicine
- Public Health Policy
Background:
- Current German kidney allocation system has rigid age limits.
- Potential negative impacts of these age limits require investigation.
- The German national transplantation registry provides data for analysis.
Purpose of the Study:
- To analyze the impact of rigid age limits on kidney transplant waiting times in Germany.
- To evaluate kidney allocation data from 2006-2020.
Main Methods:
- Utilized anonymized data from the German national transplantation registry.
- Analyzed kidney transplantations allocated via Eurotransplant from 2006-2020.
- Compared waiting times across different age groups and allocation programs.
Main Results:
- Analyzed 19,664 kidney transplantations; median wait time was 5.8 years.
- Patients aged 18-64 waited a median of 7.0 years, significantly longer than younger or older groups.
- The disparity in waiting times between the Eurotransplant Kidney Allocation System (ETKAS) and Eurotransplant Senior Program (ESP) widened over time.
Conclusions:
- Rigid age limits in German kidney allocation rules prolong waiting times for patients aged 18-64.
- Current allocation rules need fundamental reassessment to improve transplant access.
- Data suggests a need for policy changes to optimize kidney donor organ distribution.
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