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  • Title: [Effect of aspirin combined with perindopril on prostacyclin, thromboxone A2, and norepinephrine in the blood of arteriosclerosis rabbit models and the cardiac function].
    Author: Zhuang HP, Li J, Liu LH.
    Journal: Hunan Yi Ke Da Xue Xue Bao; 2003 Feb 28; 28(1):37-40. PubMed ID: 12934393.
    Abstract:
    OBJECTIVE: To explore the interactive effect of low-dosage aspirin (ASA) combined with perindopril (PER), on prostacyclin (PGI2), thromboxone A2 (TXA2), and norepinephrine (NE) in the blood of arteriosclerosis rabbit models and the cardiac function. METHODS: Sixty adult New Zealand rabbits were randomly distributed into 5 groups with 12 rabbits in each group. One group was fed with standard fodder; the others were fed with high lipoid-diet (1% cholesterol content). Before and after 8 weeks' administration consecutively, LVEDP, LVSP, HR, +/- dp/dtmax, plasma PGI2 and TXA2, serum NE, total cholesterol (TC), low-density lipoprotein cholesterol (LDL-ch), high-density lipoprotein cholesterol (HDL-ch) and triglycerides (TG) were evaluated. RESULTS: TG, TC, LDL-ch and pathological results confirmed arteriosclerosis rabbit models successfully. ASA combined with PER led to a significant increase in PGI2/TXA2 (P < 0.01) together with a significant decrease in the NE levels (P < 0.01) in the rabbits' blood, and then improved the cardiac output, i.e. increased LVSP (P < 0.01), and decreased the heart rate (P < 0.01) and LVEDP (P < 0.01) to a greater extent in the arteriosclerosis rabbit models. CONCLUSION: The ratio of PGI2 to TXA2 increased, and the NE levels decreased significantly; meanwhile, the heart rate decreased and the cardiac function improved during the administration of aspirin combined with perindopril in arteriosclerosis rabbit models. The results suggest that there is a synergism-action between low-dosage aspirin and ACE inhibitors due to increased PGI2/TXA2 and decreased NE levels.
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