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Updated: Jul 15, 2026
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Digital Home-Monitoring of Patients after Kidney Transplantation: The MACCS Platform
Published on: April 12, 2021
Multicenter analysis of kidney preservation.
1Department of Transplantation Immunology, Institute of Immunology, University of Heidelberg, Germany. gerhard.opelz@med.uni-heidelberg.de
Transplantation
|February 14, 2007
Summary
For optimal kidney transplant outcomes, aim for transplantation within 18 hours. Prolonged ischemia increases graft failure risk, but University of Wisconsin solution offers benefits for longer preservation. Human leukocyte antigen (HLA) matching remains crucial.
Area of Science:
- Nephrology
- Transplantation immunology
- Surgical outcomes
Background:
- Kidney preservation is critical for successful kidney transplantation.
- Recent data on preservation methods, storage solutions, and ischemia time impacts are limited.
- The interplay between ischemia duration and human leukocyte antigen (HLA) matching requires further investigation.
Purpose of the Study:
- To analyze the impact of kidney preservation methods and ischemia times on graft survival.
- To evaluate the relationship between ischemia duration and human leukocyte antigen (HLA) matching in deceased donor kidney transplants.
- To compare the effectiveness of different preservation solutions and techniques.
Main Methods:
- Analysis of 91,674 deceased donor kidney transplants from the Collaborative Transplant Study database.
- Utilized univariate and multivariate statistical methods to assess outcomes.
- Endpoints included graft survival and death-censored functional survival.
Main Results:
- Cold storage was the predominant preservation method (>95%) from 1990-2005.
- Graft failure risk increased significantly with ischemia times exceeding 18 hours (RR 1.09 for 19-24 hr, RR 1.16 for 25-36 hr, RR 1.30 for >36 hr).
- University of Wisconsin (UW) solution demonstrated superior outcomes for ischemia >24 hours; pulsatile machine perfusion was not better than cold storage. HLA matching benefit persisted regardless of ischemia duration.
Conclusions:
- Ideal kidney transplant window is within 18 hours of preservation.
- Ischemia time has no significant impact on graft survival within the 18-hour window.
- UW solution is recommended for extended preservation; HLA matching is vital for improved graft survival irrespective of ischemia length.
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