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Food Sci. Technol (SBCTA, Impr.) ; Food Sci. Technol (SBCTA, Impr.);37(2)Apr.-June 2017. tab
Artigo em Inglês | LILACS | ID: biblio-908904

RESUMO

This study investigated the effects of warming yang and invigorating qi prescription on renin-angiotensin-aldosterone system (RAAS) in rats with heart failure after myocardial infarction. 126 rats were randomly divided into model group, sham operation, warming yang, invigorating qi, warming yang+invigorating qi, digoxin and captopril group for respective treatment. After intervention for 6, 8 and 10 weeks, the left ventricular ejection fraction (LVEF) was calculated, and the plasma renin, angiotensin II and aldosterone levels were measured. Results showed that, after 6, 8 and 10 weeks, LVEF in warming yang, invigorating qi, warming yang+invigorating qi and captopril group was significantly higher than model group (P < 0.05), and the plasma renin, angiotensin II and aldosterone levels in warming yang, invigorating qi, warming yang+invigorating qi and captopril groups were significantly lower than model group (P < 0.05). Renin angiotensin II and aldosterone levels in invigorating qi, warming yang+invigorating qi and captopril groups after 10 weeks was significantly lower than after 6 weeks (P < 0.05); aldosterone level in captopril groups after 10 weeks was significantly lower than after 6 weeks (P < 0.05). Warming yang and invigorating qi prescription can improve LVEF in rats with heart failure after myocardial infarction, which may be related with the inhibition of RAAS activation.(AU)


Assuntos
Animais , Insuficiência Cardíaca , Sistema Renina-Angiotensina , Cardiopatias , Medicina Tradicional Chinesa , Infarto do Miocárdio , Ratos , Volume Sistólico
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