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Semin Thromb Hemost 2020; 46(06): 743-750
DOI: 10.1055/s-0040-1715452
Review Article

Anticoagulant Management and Synthesis of Hemostatic Proteins during Machine Preservation of Livers for Transplantation

Shanice A. Karangwa
1   Department of Surgery, Surgical Research Laboratory, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
,
Ton Lisman
1   Department of Surgery, Surgical Research Laboratory, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
,
Robert J. Porte
2   Section of HPB Surgery and Liver Transplantation, Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Abstract

Liver transplantation remains the only curative treatment for patients with end-stage liver disease. Despite a steadily increasing demand for suitable donor livers, the current pool of donor organs fails to meet this demand. To resolve this discrepancy, livers traditionally considered to be of suboptimal quality and function are increasingly utilized. These marginal livers, however, are less tolerant to the current standard cold preservation of donor organs. Therefore, alternative preservation methods have been sought and are progressively applied into clinical practice. Ex situ machine perfusion is a promising alternative preservation modality particularly for suboptimal donor livers as it provides the ability to resuscitate, recondition, and test the viability of an organ prior to transplantation. This review addresses the modalities of machine perfusion currently being applied, and particularly focuses on the hemostatic management employed during machine perfusion. We discuss the anticoagulant agents used, the variation in dosage, and administration, as well as the implications of perfusion for extended periods of time in terms of coagulation activation associated with production of coagulation factors during perfusion. Furthermore, in regard to viability testing of an organ prior to transplantation, we discuss the possibilities and limitations of utilizing the synthesis of liver-derived coagulation factors as potential viability markers.

Keywords

liver transplantation - machine perfusion - coagulation - fibrinolysis - anticoagulant agent


Publication History

Article published online:
05 August 2020

© 2020. Thieme. All rights reserved.

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