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Original articles   

International Angiology 2006 March;25(1):26-34


lingua: Inglese

One-year atorvastatin treatment in hypercholesterolemic patients with or without carotid artery disease

Avellone G., Di Garbo V., Abruzzese G., Campisi D., De Simone R., Raneli G., Licata G.

Institute of Clinical Medicine, Lipid and Thrombosis Research Centre, University of Palermo, Palermo, Italy


Aim. Statins are the drugs of choice in heterozygous familial hypercholesterolemia (FH), which has a high risk of premature cardiovascular events including myocardial infarction, stroke, and surgical revascularization.
Methods. A 1-year open-label study was conducted to test the efficacy and tolerability of Atorvastatin titrated to the target, in proven FH patients and to evaluate certain inflammatory parameters. One hundred and two FH patients (44 men and 58 women; mean age 58.7±3.6 years) were included in the study. After evaluation using the B-mode duplex scanning system of extracranial carotid arteries, the patients were divided into two groups: Group 1 (15 men, 25 women) with carotid plaques or intima-media thickness (IMT) greater than 0.95 mm and Group 2 (30 men, 32 women) without carotid plaques or IMT less than 0.95 mm. After a 6-week hypolipemic diet phase all the patients were treated with atorvastatin titrated to achieve a low density lipoprotein (LDL-C) <100 mg/dL. Patients with carotid lesions were also submitted to an oral fixed dose of aspirin 100 mg/day.
Results. In patients without and with carotid lesions, atorvastatin treatment (mean dosage: 23.5 mg/day) reduced triglycerides by 8.7% (P<0.005) and 10.6% (P<0.005), total cholesterol by 41.5% (P<0.005) and 42.6% (P<0.005), LDL-C by 55.8% (P<0.005) and 57.3% (P<0.005) and apolipoprotein B by 38.3% (P<0.005) and 37.2% (P<0.005) respectively, and increased the mean levels of high density lipoprotein cholesterol (HDL-C) by 8.7% (P<0.005) and 11% (P<0.005), and apolipoprotein A-I by 3.2% (P<0.05) and 3.3%, respectively. In both groups of patients the mean decrease (52 weeks) of fibrinogen was 19.8% (P<0.005) and 10.4% (P<0.005), respectively and of high sensitivity C-reactive protein (hs-CRP), 36.2% (P<0.005) and 38.2% (P<0.005), respectively. No variation of the parameters of safety and clinical tolerability of the drugs administered was observed. No variation in hematocrit in the patients taking ASA treatment was observed.
Conclusion. In FH patients, 1-year atorvastatin treatment titrated to the target (LDL-C <100 mg/dL) was well tolerated and improved serum lipid levels and inflammatory parameters.

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