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  • Title: Atorvastatin reduces thrombin generation after percutaneous coronary intervention independent of soluble tissue factor.
    Author: Bartok A, Steiner S, Seidinger D, Jetzl A, Huber K, Minar E, Stefenelli T, Kopp CW.
    Journal: Thromb Res; 2005; 115(6):469-74. PubMed ID: 15792677.
    Abstract:
    INTRODUCTION: Statins were previously shown to suppress cellular tissue factor (TF) in vitro. Here, we investigated the effect of atorvastatin on the TF-pathway and thrombin generation after coronary angioplasty and stenting in vivo. MATERIALS AND METHODS: A cohort of 30 patients with coronary artery disease (CAD) was randomised to treatment with either none (n=10), 10 mg (n=10) or 80 mg (n=10) atorvastatin per day for the postinterventional period of 6 months starting the day before percutaneous coronary intervention (PCI). Fasting blood samples were collected on admission and after 6 weeks and 6 months of statin therapy to determine sTF, free tissue factor pathway inhibitor (TFPI) and prothrombin fragment F1.2 by immunoassay. RESULTS: Soluble TF (sTF) significantly correlated with thrombin generation as measured by prothrombin fragment F1.2 at baseline. This correlation was lost 6 weeks and 6 months after initiation of statin therapy. In vivo, F1.2 was significantly lowered after 6 months of statin therapy by both, low dose (0 vs. 10 mg: 1.3+/-0.3 vs. 0.7+/-0.2 ng/ml; P<0.05) and high dose (0 vs. 80 mg: 1.2+/-0.3 vs. 0.6+/-0.2 ng/ml; P=0.01) atorvastatin compared to control. However, sTF and free TFPI did not change significantly with atorvastatin therapy when compared to baseline or control. CONCLUSIONS: Our results demonstrate reduced in vivo generation of thrombin six months after percutaneous coronary intervention and statin therapy independent of sTF and free TFPI.
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