THE EFFECT OF DIFFERENT SOLUTIONS FOR ORGAN PRESERVATION ON IMMEDIATE POSTISCHEMIC PANCREATIC FUNCTION IN VITRO

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Abstract
The present study compares the effect of organ preservation with Euro-Collins solution, cardioplegic histidine-tryptophan-ketoglutarate solution, and University of Wisconsin solution on immediate pancreatic function after cold storage at 4 degrees C for 24 hr. Postischemic organ quality of a porcine pancreas preparation was tested by quantification of physiological and biomedical parameters in a one-line reperfusion system. During reperfusion with a constant arterial pressure the arteriovenous flow rate was significantly higher for HTK (5.7 +/- 0.91 ml/min, n = 8; P < 0.05 vs. EC) and UW (7.4 +/- 0.81 ml/min, n = 8; P < 0.05 vs. EC) than for EC (3.0 +/- 0.26 ml/min, n = 6). The lowest lactate content in the reperfusate was found after HTK protection (HTK, 64.0 +/- 7.2 mumol/50 ml, n = 8; versus EC, 114.2 +/- 1.7 mumol/50 ml, n = 6, P < 0.001; versus UW, 148.0 +/- 28.6 mumol/50 ml, n = 8, P < 0.05). Amylase in the venous effluent was significantly lower (P < 0.05) for HTK or UW protection than for EC (HTK, 189 +/- 72.6 U/ml; UW, 188 +/- 39.4 U/ml; EC, 416 +/- 71.7 U/ml). Oxygen consumption during reperfusion was significantly higher for HTK (2.15 +/- 0.22 microliters/g/min, P < 0.001) and UW (1.80 +/- 0.52 microliters/g/min, P < 0.05) than for EC (0.47 +/- 0.13 microliters/g/min). We conclude that immediate postischemic organ quality and pancreatic function after protection with HTK is not inferior to preservation with UW.

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