Acute lung injury/acute respiratory distress syndrome(ALI/ARDS) is characterized by a pulmonary inflammation response that a number of neutrophils(PMN) infiltrated into the lungs.

• 急性肺损伤／急性呼吸窘迫综合征(ALI／ARDS)是一种以中性粒细胞(PMN)肺浸润为主的肺部炎症性损伤，PMN等细胞所释放的各种酶、氧自由基、炎性介质是引起ALI的主要因素。