• Varunkumar Bathini, Thomas McGregor, Vivian C McAlister, Patrick P W Luke, and Alp Sener.
• Department of Surgery, University of Western Ontario and Multi-Organ Transplant Program, Ontario, Canada.
• J. Urol. 2013 Jun 1;189(6):2214-20.

PurposeStatic cold storage is generally used to preserve kidney allografts from deceased donors. Hypothermic machine perfusion may improve the outcome after transplantation but few studies with limited power have addressed this issue. We reviewed evidence of the effectiveness of storing kidneys from deceased donors after cardiac death before transplantation using cold static storage solution or pulsatile hypothermic machine perfusion.Materials And MethodsWe searched electronic databases in September 2011 for systematic reviews and/or meta-analyses, randomized, controlled trials and studies of other designs that compared delayed graft function and graft survival. Sources included The Cochrane Library, PubMed® and EMBASE®. Studies excluded from review included those that did not discriminate between donation after cardiac death and donation from a neurologically deceased donor. Primary outcomes were delayed graft function and 1-year graft survival. Statistical analysis was done using RevMan (http://ims.cochrane.org/revman).ResultsNine studies qualified for review. Pulsatile perfusion pumped kidneys from donation after cardiac death donors had decreased delayed graft function compared to kidneys placed in cold storage (OR 0.64, 95% CI 0.43-0.95, p = 0.03). There was a trend toward improved 1-year graft survival in the pulsatile perfusion group but statistical significance was not attained (OR 0.74, 95% CI 0.48-1.13, p = 0.17).ConclusionsPulsatile machine perfusion of donation after cardiac death kidneys appears to decrease the delayed graft function rate. We noted no benefit in 1-year graft survival. Due to the great heterogeneity among the trials as well as several confounding factors, the overall impact on allograft function and survival requires more study.Copyright © 2013 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved.

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