Atorvastatin has antithrombotic effects in patients with type 1 diabetes and dyslipidemia
Abstract
Diabetes is a prothrombotic state involving a more thrombogenic fibrin network. In the present study we investigated the effects of lipid-lowering therapy with atorvastatin on fibrin network structure and platelet-derived microparticles in patients with type 1 diabetes and dyslipidemia. Twenty patients were treated with atorvastatin (80 mg daily) or placebo during 2 months in a randomized, double-blind, cross-over study. Fibrin network permeability, expression of glycoprotein IIIa, P-selectin and tissue factor on platelet-derived microparticles, plasma endogenous thrombin potential, plasminogen activator inhibitor-1 and tissue plasminogen activator antigen levels were assessed. Additionally, levels of plasma fibrinogen, high-sensitivity C-reactive protein and glycated haemoglobin were measured. During treatment with atorvastatin, fibrin network permeability increased (p=0.01), while endogenous thrombin potential and expression of glycoprotein IIIa, P-selectin and tissue factor decreased (p<0.01). In vitro experiments indicated that platelet-derived microparticles influence the fibrin network formation as fibrin network permeability decreased significantly when platelet-derived microparticles were added to normal plasma. Baselin...Continue Reading
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Studies of fibrin formation and fibrinolytic function in patients with the antiphospholipid syndrome
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