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A Journal on Angiology

Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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International Angiology 2014 December;33(6):530-9


language: English

Statins reduce levels of metalloproteinases in patients with carotid occlusive disease

Sapienza P., Borrelli V., Sterpetti A. V., Biacchi D., Venturini L., Tartaglia E., Bononi M., Di Marzo L.

Department of Surgery “Pietro Valdoni”, “Sapienza” University of Rome, Rome, Italy


AIM: Pharmaceutical stabilization of an unstable low-grade carotid artery stenosis delays surgery and improve outcome. Statins can be used to reduce intimal media thickness. Our aim was to determine the clinical and biological effects of rosuvastatin on plaque stabilization or regression.
METHODS: Forty-two consecutive male patients presenting with an asymptomatic internal carotid artery plaque uniformly anechogenic (group 1) 40-50% lumen diameter reduction formed the basis of the study. A group of 35 patients affected with a uniformly echogenic carotid artery stenosis (40-50%) served as control (group 2). Patients were followed-up every 8-month for 2 years with B-mode ultrasonography and color imaging. A computed tomography angiography (CTA) was performed before the initiation of the study period and at the end to confirm plaque characteristics and the degree of stenosis. Ticlopidine (250 mg/day) and rosuvastatin (10 mg/day) were administered. One blood sample was drawn at every control to assess the release of matrix metallopoteinases (MMPs)-1, -2, -3, -9, tissue inhibitors of metalloproteinases (TIMPs)-1 and -2.
RESULTS: After the administration of rosuvastatin plasma level of MMP-1, -2, -3 and -9 significantly decreased in both groups (P<0.001). Conversely, plasma level of TIMP-1 and -2 significantly increased in both groups (P<0.001). B-mode ultrasonography and color imaging and CTA failed to demonstrate a stabilization or regression of uniformly anehogenic carotid plaque during follow-up.
CONCLUSION: Rosuvastatin decreases the plasma level of MMPs and increases those of TIMPs. However, neither progression nor stabilization of low-grade unstable carotid plaques was seen.

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