Objective To estimated the relation between the severity of chronic heart failure and change of plasma brain natriuretic peptid (BNP) level.

目的评价血浆(BNP)水平与心力衰竭的相关性,并进一步探讨BNP在诊断预后方面的临床意义。

Conclusion Cerebroprotein hydrolysate conta ins abundantly essential amino acid and small molecular peptid to human brain wi ch can inprove functional activation of human brain cells .

蛋白水解物富含人必酸小分子，能改善细胞功能活性。