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A Retrospective Propensity Score Matched Analysis Reveals Superiority of Hypothermic Machine Perfusion over Static Cold Storage in Deceased Donor Kidney Transplantation

Authors
  • Gasteiger, Silvia1
  • Berchtold, Valeria1
  • Bösmüller, Claudia1
  • Dostal, Lucie2
  • Ulmer, Hanno2
  • Bogensperger, Christina1
  • Resch, Thomas1
  • Rudnicki, Michael3
  • Neuwirt, Hannes3
  • Oberhuber, Rupert1
  • Cardini, Benno1
  • Scheidl, Stefan1
  • Mayer, Gert3
  • Öfner, Dietmar1
  • Weissenbacher, Annemarie1
  • Schneeberger, Stefan1
  • 1 (D.Ö.)
  • 2 (H.U.)
  • 3 (G.M.)
Type
Published Article
Journal
Journal of Clinical Medicine
Publisher
MDPI AG
Publication Date
Jul 21, 2020
Volume
9
Issue
7
Identifiers
DOI: 10.3390/jcm9072311
PMID: 32708180
PMCID: PMC7408946
Source
PubMed Central
Keywords
License
Green

Abstract

Hypothermic machine perfusion (HMP) has been introduced as an alternative to static cold storage (SCS) in kidney transplantation, but its true benefit in the clinical routine remains incompletely understood. The aim of this study was to assess the effect of HMP vs. SCS in kidney transplantation. All kidney transplants performed between 08/2015 and 12/2019 ( n = 347) were propensity score (PS) matched for cold ischemia time (CIT), extended criteria donor (ECD), gender mismatch, cytomegalovirus (CMV) mismatch, re-transplantation and Eurotransplant (ET) senior program. A total of 103 HMP and 103 SCS instances fitted the matching criteria. Prior to PS matching, the CIT was longer in the HMP group (17.5 h vs. 13.3 h; p < 0.001), while the delayed graft function (DGF) rates were 29.8% and 32.3% in HMP and SCS, respectively. In the PS matched groups, the DGF rate was 64.1% in SCS vs. 31.1% following HMP: equivalent to a 51.5% reduction of the DGF rate (OR 0.485, 95% CI 0.318–0.740). DGF was associated with decreased 1- and 3-year graft survival (100% and 96.3% vs. 90.8% and 86.7%, p = 0.001 and p = 0.008) or a 4.1-fold increased risk of graft failure (HR = 4.108; 95% CI: 1.336–12.631; p = 0.014). HMP significantly reduces DGF in kidney transplantation. DGF remains a strong predictor of graft survival.

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