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August 11, 2009Arteriosclerosis Thrombosis and Vascular Biology

Inhibition of Platelet-Rich Arterial Thrombus In Vivo

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Key result

Intravenous lovastatin acutely reduced platelet deposition in a porcine carotid injury model compared to saline control (944 vs 3149 x 10^6/cm^2; P=0.02).

Why the study?

Does intravenous lovastatin reduce platelet thrombus formation in a porcine carotid injury model?

Population

Porcine carotid injury model (n=17 pigs)

Comparison

Intravenous lovastatin vs Intravenous saline

Design

Preclinical

Follow-up

30 minutes

Authors

COChike ObiHenry Ford HospitalWWWaldemar E. WysokińskiMayo ClinicKKKrzystof KarnickiMayo Clinic

Discussion

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Overview

Suggests pleiotropic antiplatelet effects of statins; hypothesis-generating and leaves open human clinical relevance.

Structured PICO

Does intravenous lovastatin reduce platelet thrombus formation in a porcine carotid injury model?

P
Population
17 pigs in a carotid injury model to assess the effect of intravenous lovastatin on platelet thrombus formation.
I
Intervention
Intravenous lovastatin (100 microg/kg bolus + 100 microg/kg/h infusion)
C
Comparator
Intravenous saline
O
Outcome
Thrombus size quantified by scintillation detection of autologous (111)In-plateletssurrogate

Main Result

Absolute Event Rate: 944% vs 3149%

p-value: p=0.02

Intravenous lovastatin acutely attenuates arterial thrombus formation in a porcine injury model, suggesting a pleiotropic antiplatelet effect of statins.

Cite This Study

Obi et al. (2009) studied Arterial thrombosis (n=17). Intravenous lovastatin vs. Saline was evaluated on Thrombus size (platelet deposition) in the second injured artery (p=0.02). Intravenous lovastatin acutely reduced platelet deposition in a porcine carotid injury model compared to saline control (944 vs 3149 x 10^6/cm^2; P=0.02).

synapsesocial.com/papers/6a842b6474ee596ff2c52023https://doi.org/10.1161/atvbaha.109.190884
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