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  • Title: Persistent dyslipidemia in statin-treated patients: the focus on comprehensive lipid management survey in Swiss patients.
    Author: Sudano I, Hess L, Noll G, Arnet D.
    Journal: Swiss Med Wkly; 2011; 141():w13200. PubMed ID: 21574067.
    Abstract:
    PRINCIPLES: Statin therapy reduces cardiovascular morbidity and mortality. However, a substantial residual cardiovascular risk can be observed in patients receiving this therapy due to persisting lipid abnormalities as well as to the lack of a systematic global risk-reduction strategy. The objective of the study was to assess the prevalence of dyslipidemia in a cohort of patients living in Switzerland and receiving statin therapy. METHODS: This cross-sectional study was conducted by 61 primary care physicians, cardiologists, endocrinologists and internists in Switzerland. Patients were consecutive outpatients≥45 years-old, on statin therapy for at least 3 months with available lipid values. A clinical examination and a recording of the latest lipid values on statin therapy were performed in all patients. RESULTS: A total of 473 patients (age 66.3±9.41 years; 61.9% male) were included in the final analysis. Under statin therapy, 40% of the analysed patients had a normal lipid profile, 32.6% presented increased low-density lipoprotein cholesterol (LDL-C) (3.35±0.88 mmol/L), 28.8% low high-density lipoprotein-cholesterol (HDL-C) (0.95±0.18 mmol/L) and 31.1% elevated triglycerides (2.69±1.04 mmol/L). It is of note that the included population was characterised by a high prevalence of cardiovascular risk factors (86.5% patients had 10-year cardiovascular risk>20%). Nevertheless, the lipid lowering therapy was modified in only 15.4% of the patients. CONCLUSION: Persistent dyslipidemia is a reality in statin-treated patients and may contribute to their residual cardiovascular risk. Therefore, comprehensive lipid management should be preferred to aggressive LDL-C lowering alone. Moreover, strategies to assess and modify the global cardiovascular risk of patients should be taken into account as an important component of primary and secondary prevention.
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