Abstract
Recently, we described that in the physiologic state, urokinase concentration is higher in the renal vein than in the renal artery which suggests that the kidney is the essential organ providing urokinase to the systemic circulation. In end-stage renal disease (ESRD) patients, urokinase provided by the kidney may be decreased, and this might be the cause of decreased systemic fibrinolytic activity seen in ESRD. To study this possibility, we measured fibrinolytic profiles including urokinase, tissue plasminogen activator (t-PA) and fibrinolytic activity in the euglobulin fraction of ESRD patients and compared the results with those of two control groups consisting of renal transplantation patients and age- and sex-matched healthy controls. The euglobulin fibrinolytic activity was 92.2 +/- 14.8 BAU in the ESRD group, 108.7 +/- 13.5 BAU in the kidney transplantation (KT) group and 101.5 +/- 8.0 BAU in the healthy control group. Although it was lower in the ESRD than in the KT (p < 0.005) and the healthy control group (p < 0.005), there was no difference between the KT and the healthy control group. t-PA antigen was 1.2 +/- 1.3 ng/ml in the ESRD group, 3.5 +/- 1.7 ng/ml in the KT group and 3.1 +/- 2.1 ng/ml in the healthy control group. It was lower in the ESRD compared to the KT (p < 0.001) and the healthy control group (p < 0.001) but there was no difference between the KT and the healthy control group.(ABSTRACT TRUNCATED AT 250 WORDS)
Published Version
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