Advances in clinical and experimental medicine : official organ Wroclaw Medical University · 2016
The Effect of Combined Ezetimibe/Atorvastatin Therapy vs. Atorvastatin Monotherapy on the Erythrocyte Membrane Structure in Patients with Coronary Artery Disease: A Pilot Study.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Jackowska Paulina, Pytel Edyta, Koter-Michalak Maria, Olszewska-Banaszczyk Małgorzata, Legęza Aleksandra, Broncel Marlena
Аннотация
BACKGROUND: Erythrocytes play an important role in atherogenesis. An excessive accumulation of cholesterol in erythrocyte membranes leads to disruption of the erythrocytes.
OBJECTIVES: The aim of the study was to compare the effect of two different hypolipidemic therapies on the structure of erythrocyte membranes.
MATERIAL AND METHODS: The study included 18 patients with angiographic confirmed coronary artery disease who, despite at least 6 months of hypolipidemic treatment, had not achieved LDL-C < 70 mg/dL and 18 healthy individuals as the control group. The following parameters were studied: total cholesterol level and erythrocyte membrane fluidity, lipid peroxidation, SH groups in membrane protein and plasma lipids.
RESULTS: We observed a decrease in TC (20%), LDL-C (35%), level of lipid peroxidation (25%) and total cholesterol in erythrocytes (23%), and an increase in HDL-C (8%) and erythrocyte membrane fluidity of subsurface layers (14%) after 6 months of 10 mg atorvastatin + 10 mg ezetimibe therapy, in comparison with healthy controls. In the group treated with 40 mg atorvastatin for 6 months, decreased LDL-C (23%), lipid peroxidation (37%) and membrane cholesterol concentration (18%) was noted, as well as an increase in erythrocyte membrane fluidity in the subsurface layers (12%).
CONCLUSIONS: Both the combination therapy and the monotherapy lead to an improvement of erythrocyte membrane structure, whose parameters reached values close to those in the control healthy group.
OBJECTIVES: The aim of the study was to compare the effect of two different hypolipidemic therapies on the structure of erythrocyte membranes.
MATERIAL AND METHODS: The study included 18 patients with angiographic confirmed coronary artery disease who, despite at least 6 months of hypolipidemic treatment, had not achieved LDL-C < 70 mg/dL and 18 healthy individuals as the control group. The following parameters were studied: total cholesterol level and erythrocyte membrane fluidity, lipid peroxidation, SH groups in membrane protein and plasma lipids.
RESULTS: We observed a decrease in TC (20%), LDL-C (35%), level of lipid peroxidation (25%) and total cholesterol in erythrocytes (23%), and an increase in HDL-C (8%) and erythrocyte membrane fluidity of subsurface layers (14%) after 6 months of 10 mg atorvastatin + 10 mg ezetimibe therapy, in comparison with healthy controls. In the group treated with 40 mg atorvastatin for 6 months, decreased LDL-C (23%), lipid peroxidation (37%) and membrane cholesterol concentration (18%) was noted, as well as an increase in erythrocyte membrane fluidity in the subsurface layers (12%).
CONCLUSIONS: Both the combination therapy and the monotherapy lead to an improvement of erythrocyte membrane structure, whose parameters reached values close to those in the control healthy group.