At 3months , NYHA class improved significantly in all 3 groups , whereas pulmonary capillary wedge pressure decreased ( 27 4 to 19 8 mmHg , P = 0.008 ) and cardiac index increased ( 1.5 0.3 to 2.1 0.3 l/min/m ( 2 ) , P = 0.002 ) significantly only in patients assigned to levosimendan .
