Patients with continuous insulin infusion had lower peak inotropic score during the first postoperative @ hours and peak level of blood glucose ( @ @ vs @ @ g/kg/min ; P < @ ; @ @ vs @ @ mg/dL ; P < @ , respectively ) , shorter duration of mechanical ventilation and intensive care unit stay and hospital stay compared with the control group ( @ @ hours vs @ @ hours ; P = @ ; @ @ hours vs @ @ hours ; P < @ ; @ @ days vs @ @ days ; P = @ , respectively ) .