4.3 Article

N-3 fatty acid supplementation to routine statin treatment inhibits platelet function, decreases patients' daytime blood pressure, and improves inflammatory status

Journal

EUROPEAN JOURNAL OF CLINICAL PHARMACOLOGY
Volume 68, Issue 8, Pages 1139-1146

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s00228-012-1235-4

Keywords

N-3 fatty acid; Statins; Platelets function; Inflammation; Blood pressure

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N-3 fatty acids reduce the risks of cardiovascular morbidity and mortality. Administration of N-3 fatty acids to patients treated with statins may potentiate the treatment effects. We examined the operating mechanisms underlying such a combination. Thirty-two hypercholesterolemic patients aged 30-70 years with hypercholesterolemia controlled by statins, received sequential treatments with placebo followed by 1.9 g/day of N-3 fatty acids for 23 weeks. Scheduled clinical visits included physical examination, 24-h blood pressure measurement, endothelial function evaluated by pulse wave analysis, analyses for platelet function, inflammation markers [interleukin (IL)-6, plasminogen activator inhibitor-1 (PAI-1)] and oxidative stress parameters (STAT-8-Isoprostane) were undertaken at baseline, after placebo treatment, and after 6 and 20 weeks of N-3 fatty acid intake. Platelets functions were significantly inhibited, whereas endothelial function parameters were unaltered. IL-6 significantly decreased whereas PAI-1and STAT-8-Isoprostane levels remained unaffected. Daytime blood pressure significantly decreased; however, nighttime pressure and heart rate remained unchanged. No evidence of lipid-profile improvement was observed following combined treatment with statins and N-3 fatty acids. In hypercholesterolemic patients, combination of statins and N-3 fatty acid inhibits platelet aggregation, alters inflammatory status, and positively affects daytime blood pressure. Close long-term follow-up might reveal additional beneficial effects of N-3 fatty acids in this patient population.

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