The changes in hemodynamic parameters [ mean arterial pressure ( MAP ) , central venous pressure ( CVP ) , HR , cardiac index ( CI ) , stroke volume index ( SVI ) , systemic vascular resistance ( SVRI ) , global end diastolic volume index ( GEDVI ) ] , biochemistry metabolic of tissue [ central venous oxygen saturation ( ScvO ) , lactic acid ( Lac ) ] , and cardiac markers [ troponin I ( cTnI ) ] before and 12 , 24 , 48 , 72 hours after the treatment were recorded .