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Updates in Surgery

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01-09-2020 | Review Article

Use of machine perfusion in livers showing steatosis prior to transplantation: a systematic review

Authors: Quirino Lai, Franco Ruberto, Timothy M. Pawlik, Francesco Pugliese, Massimo Rossi

Published in: Updates in Surgery | Issue 3/2020

Abstract

Background

The role of machine perfusion (MP) in the evaluation of liver grafts with macrovesicular steatosis (MaS) remains ill-defined as only a limited number of studies has been reported. The objective of the current study was to provide a systematic review to evaluate the role of MP in the setting of MaS livers.

Methods

A systematic review, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines was performed. Eligible articles published up to April 2019 were included using the MEDLINE, Scopus, and Google Scholar databases.

Results

Among the 422 articles screened, only 16 papers met the inclusion criteria. A total of 54 cases of MP use before liver transplantation were included. Sixteen (29.6%) grafts were from donors after circulatory death. In 22 (40.7%) cases, hypothermic machine perfusion was performed. Normothermic machine perfusion was done in the remaining 32 (59.3%) cases. According to the histological results of the donor core biopsy, a MaS value < 30% was observed in 41 (75.9%) cases, whereas 13 (24.1%) patients had moderate-to-severe (≥ 30%) MaS. Following categorization of the pooled population according to the presence of moderate-to-severe (≥ 30%) MaS in the donor graft, no differences were noted in terms of post-transplant death or severe complications following MP. There was no correlation between the proportion of MaS in the donor graft relative to post-transplant peak ALT among patients treated with MP. Among the entire pooled cohort, there was also no correlation between MaS values and ALT peak (R = 0.13; P = 0.42).

Conclusions

MP appears to be feasible and safe in MaS livers. Experience to date has been very limited, and the benefit of MP remains not determined. Prospective studies will need to define better the potential effect of “defatting” drugs used during the perfusion process on MaS.

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Title: Use of machine perfusion in livers showing steatosis prior to transplantation: a systematic review
Authors: Quirino Lai
Franco Ruberto
Timothy M. Pawlik
Francesco Pugliese
Massimo Rossi
Publication date: 01-09-2020
Publisher: Springer International Publishing
Published in: Updates in Surgery / Issue 3/2020
Print ISSN: 2038-131X
Electronic ISSN: 2038-3312
DOI: https://doi.org/10.1007/s13304-020-00797-4

At a glance: The STEP trials

Springer Medicine

Use of machine perfusion in livers showing steatosis prior to transplantation: a systematic review

Abstract

Background

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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