The arterial plasma endothelin-1(ET-1)concentration increased significantly during cardiopulmonary bypass(CPB)and peaked at the end of CPB was found.

本研究发现动脉血浆ET-1水平在体外循环期间持续显著地增高并在体外循环结束时达到峰值。

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Objective To study the changes of plasma concentration of BNP and ET-1 in patients with congestive heart failure and the correlation between them.

目的探讨血浆脑钠肽（BNP）和内皮素1（ET-1）在心力衰竭（心衰）患者中的浓度变化及二者的相关性。

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Objective: to study the alteration and clinical significance of plasma endothelin-1 (ET-1) concentration in patients with left to right shunt congenital heart disease (CHD).

目的：探讨左向右分流型先天性心脏病(CHD)患者血浆内皮素(ET - 1)浓度的变化及其临床意义。

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Objective: to study the alteration and clinical significance of plasma endothelin-1 (ET-1) concentration in patients with left to right shunt congenital heart disease (CHD).

目的：探讨左向右分流型先天性心脏病(CHD)患者血浆内皮素(ET - 1)浓度的变化及其临床意义。

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