Table 3.

Perioperative Vasopressor and Milrinone Requirement

Values are the number or median (interquartile range). T1: immediately after weaning from cardiopulmonary bypass, T2: 20 min after weaning from cardiopulmonary bypass, T3: sternum closure, T4: at intensive care unit arrival, T5: 12 hr after weaning from cardiopulmonary bypass. MB: patients received 2 mg/kg of methylene blue,infused for 20 min before the start of cardiopulmonary bypass, Control: patients received an equivalent amount of normal saline infused at the same time. All P values of intergroup comparisons were above 0.05.