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Int J Artif Organs. 2006 Mar;29(3):329-34.

Ischemic type biliary lesions in histidine-tryptophan-ketoglutarate (HTK) preserved liver grafts.

Author information

1
Department of Transplantation and Hepatobiliary Surgery, Johannes Gutenberg University, Mainz, Germany. moench@transplantation.klinik.uni-mainz.de

Abstract

Ischemic type biliary lesions lead to considerable morbidity following orthotopic liver transplantation. The exact pathogenesis is unknown. One major hypothesis is that insufficient perfusion of the arterial vessels of the biliary tree, especially under perfusion with the high viscous University of Wisconsin solution, might be responsible for ischemic type biliary lesions. Due to low viscosity, HTK solution is reported to have a lower incidence of biliary complications. However, there is no data concerning ischemic type biliary lesions in HTK preserved livers. In this paper we report our results after orthotopic liver transplantation with special regard to ischemic type biliary lesions in liver grafts preserved with HTK solution. Between 09/1997 and 01/2005 300 liver transplantations were performed in our center. Thirty-two (10.7%) liver grafts were preserved with HTK solution, 268 (89.3%) were preserved with UW solution. Six and 43 grafts showed ischemic type biliary lesions after orthotopic liver transplantation in HTK- (18.8%) and UW- (16.0%) groups, respectively (p=0.696). There was no statistical significant difference between the two groups. Donor related factors, recipient age, indication for transplantation, transplantation technique, immunosuppression and ischemia time were comparable in both groups. Ischemic type biliary lesions occurred with the same frequency in HTK preserved livers compared to UW preserved organs. We suggest that low viscosity of the preservation fluid by itself does not guarantee reliable perfusion of the small arteries of a liver graft and a pressure perfusion might be beneficial even in HTK solution.

PMID:
16685677
[Indexed for MEDLINE]

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