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Abstract：
Effects of trimetazidine combined with berberine on endothelial function of patients with coronary heart disease combined with primary hypertension (CCP) were investigated. A total of 68 patients with CCP were selected from July 2014 to August 2016 to serve as observation group. At the same time, 68 healthy people were also selected to serve as control group (physiological saline). Expression of endothelial nitric oxide synthase (eNOS) mRNA in the blood samples of the observation and control groups before and after treatment was determined by RT-PCR. Levels of NO in the plasma of the observation and control groups before and after treatment were measured by nitric acid reductase method. Brachial artery flow-mediated vasodilation (FMD) of observation and control groups was detected by brachial artery ultrasonography before and after treatment. Before treatment, expression level of eNOS mRNA in blood of the observation group was significantly lower than that of the control group (P<0.05). After treatment, expression level of eNOS mRNA was significantly increased (P<0.05). Plasma NO content 41.06±3.63 mol/l in blood of the observation group was significantly lower than that of the control group 53.28±3.09 mol/l (P<0.05). After treatment with trimetazidine and berberine, level of NO 50.75±2.75 mol/l was significantly increased compared with the level before treatment (P<0.05). FMD value (5.03±0.95) was significantly lower in observation group than that in control group (16.04±1.63) (P<0.05). After treatment with trimetazidine and berberine, FMD value (14.02±2.39) was significantly increased compared with the level before treatment (P<0.05). The results suggested that the combination of trimetazidine and berberine can increase the content of NO in blood and promote endothelium-dependent dilation function of brachial arteries, which is helpful in the treatment of CCP.
摘要：
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