Compared with dobutamine group , after the treatment in the levosimendan group , stroke volume index ( SVI ) , cardiac index ( CI ) and left ventricular stroke work index ( LVSWI ) were significantly increased -LSB- SVI ( mL/m ) : @ @ vs. @ @ , t = -@ , P = @ ; CI ( L min m ) : @ @ vs. @ @ , t = -@ , P = @ ; LVSWI ( kg min m ) : @ @ vs. @ @ , t = -@ , P = @ -RSB- , and central venous pressure ( CVP ) , intrathoracic blood volume index ( ITBVI ) and extravascular lung water index ( EVLWI ) were significantly decreased -LSB- CVP ( mmHg , @ mmHg = @ kPa ) : @ @ vs. @ @ , t = @ , P = @ ; ITBVI ( mL/m ) : @ @ vs. @ @ , t = @ , P = @ ; EVLWI ( mL/kg ) : @ @ vs. @ @ , t = @ , P = @ -RSB- .