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[Influence of Intensive Hypolipidemic Therapy on Blood Concentration of Lipoprotein-Associated Phospholipase A2 in Patients With Ischemic Heart Disease.]

Institute of Clinical Cardiology of Russian Cardiology Scientific and Production Center, ul. Tretiya Cherepkovskaya 15a, 121552 Moscow, Russia.
Kardiologiia (Impact Factor: 0.21). 09/2013; 53(9):4-11.
Source: PubMed

ABSTRACT Aim: To assess the impact of combined treatment with simvastatin and ezetimibe or treatment with simvastatin only on lipoprotein-associated phospholipase A2 in patients with ischemic heart disease. Methods: One hundred patients with angiographically documented coronary atherosclerosis took part in the investigation. Lp-PLA2 mass and cholesterol fractions were determined at baseline and after 6 months of treatment. Lp-PLA2 mass was determined by enzyme immunoassay method, using two highly specific monoclonal antibodies. Results. Combined treatment with ezetimibe and simvastatin led to significantly greater declines in Lp-PLA2 and cholesterol fractions compared with treatment only with simvastatin: Lp-PLA2 decreased by 46 vs 38%, total cholesterol by 35 vs 28%, LDL cholesterol by 50 vs 40%, respectively (p<0.05). Combination therapy with ezetimibe and simvastatin 20 and 40mg/day proved to be as effective as monotherapy with simvastatin 80 mg/day on the effect on Lp-PLA2 mass and cholesterol fractions (p<0.05). Lp-PLA2 correlated positively with total cholesterol (r=0.28) and LDL-C (r=0.33). Conclusions. Combined treatment led to greater reduction of total cholesterol and LDL-C, as well as significantly reduced level of Lp-PLA2 mass. The latter can be considered as target for suppression of inflammation and achievement of stabilization of atherosclerotic plaque.

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