Objective To evaluate the changes of blood levels of brain natriuretic peptides (BNP) of drugs treatment in chronic heart failure (CHF).

目的评价药物治疗慢性充血性心力衰竭（CHF）中尿钠肽（BNP）检测的意义。

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Plasma levels of brain natriuretic peptides (BNP) were measured by radioimmunoassay and immunoradiometric assay in these patients before and after treatment.

治疗前后用同位素放免法测定血浆脑钠尿肽(BNP)水平以及心功能。

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To explore the relationship between Plasma level of brain natriuretic peptides (BNP), Endothelin-1 (ET-1) and left ventricular function in chronic heart failure (CHF) patients.

目的研究慢性心力衰竭(CHF)患者血浆脑利钠肽(bnp)、内皮素- 1 (et - 1)水平的变化及其与心脏功能的关系。

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