Methods: The plasma levels of ET and CGRP in 121 CHF patients were measured. Left ventricular ejection fraction (LVEF) was from echocardiography.

• 方法对入选的121例CHF患者测定了血浆ET和CGRP水平,超声心动图测量左室射血分数(LVEF),评价心功能,同时选择27例正常人作为对照组。