生理、生化、形态的17项检测指标均表明，黄芪多糖对急梗犬心有改善心肌收缩性能、缩小梗塞面积、减轻心肌损伤的作用。其机制可能与其抑制Na+-K+-ATP酶活性和抗自由基损伤作用有关。

Seventeen Phyaiological,biochemical and morphological indezea conaiatently showed that Aa-tragalus polysaccharide myocardial infarction,was able to enhance the myocardia contractility,attenuate the area of and reduce the degree of myocardial damage dog heart in vivo,The mechanism might be related to the inhibition of myocardially infarcted of Na⁺-Kr⁺ATPase activity&the anti一free一radical一damage action.