[Effect of inhaling specific phosphodiesterase inhibitor on lung injury induced by cardiopulmonary bypass].

Objective: To evaluate the effect of pretreatment by inhaling specific phosphodiesterase inhibitor on lung injury induced by cardiopulmonary bypass (CPB).

Methods: From April 2010 to November 2010, 30 patients were divided randomly into two groups: control group (n = 15) and milrinone group (n = 15). In milrinone group, 5 mg milrinone diluted by 5ml normal saline was inhaled per 8 h two days pre-operation.