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Effects of Astragaloside IV on Heart Failure in Rats

Overview
Journal Chin Med
Publisher Biomed Central
Date 2009 Apr 3
PMID 19338675
Citations 20
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Abstract

Background: Astragaloside IV (ASI) in Radix Astragali is believed to be the active component in treating heart failure. The present study aims to examine the effects of ASI on cardiovascular parameters in long-term heart failure in rats.

Methods: Using echocardiographic and haemodynamic measurements, we studied the effects of ASI on congestive heart failure (CHF) induced by ligation of the left coronary artery in rats.

Results: ASI (0.1, 0.3 and 1.0 mg/kg/day) attenuated the decline of fractional shortening (FS). The peak derivatives of the left ventricle (LV) pressure (dp/dt) in ASI-treated groups significantly increased. Both LV internal diameters in diastole (LVIDd) and in systole (LVIDs) decreased significantly after ASI treatment (0.3 and 1.0 mg/kg/day). ASI (1.0 mg/kg/day) attenuated the decrease of LV systolic pressure (LVSP). ASI treatment inhibited compensatory hypertrophy of myocardial cells and lowered the number of apoptotic myocytes.

Conclusion: ASI improved cardiac functions as measured by cardiovascular parameters.

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