Acute effects of hyperglycaemia on plasma concentration of soluble P-selectin and von Willebrand factor in healthy volunteers -a prospective randomised double blind controlled study

Thrombosis Research
Nicole KotzailiasBernd Jilma

Abstract

This study set out to clarify if isolated hyperglycaemia may directly induce acute endothelial and/or platelet activation as diabetes mellitus is a major risk factor for cardio- and cerebrovascular diseases with thromboembolic complications. 12 healthy volunteers were investigated in a prospective randomised, double blind, three-way cross-over trial with a wash-out period of 21 days. Normoglycemic (4.72 mmol/L), moderate (11.1 mmol/L) or high grade (16.7 mmol/L) glucose clamps were maintained for 6 hours by infusion of glucose, insulin and somatostatin. Volunteers were observed for 24 hours. An increase in soluble (s)P-selectin and von Willebrand Factor (VWF) concentrations, of 26+/-15% and 21+/-7%, respectively was observed 24 hours after euglycaemic treatment, of 20+/-7% and 19+/-5%, respectively after moderate hyperglycaemia and of 22+/-13% and 18+/-7%, respectively after high grade hyperglycaemia at 24 hours (p<0.6 and p<0.004 in all periods and p=0.2-0.9 between periods). In conclusion, acute hyperglycaemia for 6 hours does not increase the platelet and endothelial activation markers sP-selectin and VWF in healthy volunteers.

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