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  • Title: Effects of warm Carolina rinse on microvascular reperfusion injury in rat liver transplantation.
    Author: Gonzalez AP, Post S, Palma P, Rentsch M, Menger MD.
    Journal: Transpl Int; 1994; 7 Suppl 1():S155-8. PubMed ID: 11271192.
    Abstract:
    Recently, it has been demonstrated that the use of both cold Carolina rinse (CR, 4 degrees C) as well as warm Ringer's lactate (RL, 37 degrees C) attenuates microvascular perfusion failure and leukocyte (WBC) accumulation in liver grafts. The aim of this study was to analyse in vivo whether warming of CR can also lead to a reduction in microvascular reperfusion injury in rat liver transplantation. Syngeneic orthotopic liver transplantation, including arterial reconstruction, was performed in male Lewis rats (180-300 g). Livers were stored in University of Wisconsin (UW) solution for 24 h and rinsed with 15 ml CR which was either cold 4 degrees C (n = 7) or warm 37 degrees C (n = 8) prior to reperfusion. Hepatic microcirculation and WBC accumulation were assessed by intravital fluorescence microscopy, and graft function was determined by analysis of bile flow during the 90-min reperfusion period. Warm CR yielded significantly (P < 0.01) improved sinusoidal perfusion when compared with cold CR; however, the extent of WBC adherence in both sinusoids and postsinusoidal venules did not vary between the groups. In addition, bile flow was slightly increased after warm CR. We conclude that after 24 h of cold storage in UW solution, warming of CR may offer additional benefit in the prevention of microcirculatory reperfusion injury without affecting WBC accumulation.
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