Objective To evaluate clinical efficacy of levosimendan in the treatment of patients with chronic congestive heart failure(CCHF).Methods A total of 156CCHF patients were evenly randomized to experimental group and control group.In addition to conventional therapy,patients in the experimental group were given levosimendan,and those in the control group received dobutamine.Two weeks after the therapy,the following items were observed and compared between the two groups:NYHA classification,LVEF,SV,NTpro-BNP,bl...