急性呼吸窘迫综合征 (ARDS)是因肺内外多种病因导致的肺毛细血管损伤后以急性进行性缺氧性呼吸衰竭为主要表现的综合征。虽然导致ARDS的病因诸多 ,但从病因可以分为肺内源性 (如重症肺炎 )与肺外源性 (如坏死性胰腺炎 ) 2类。传统观念认为 ,各种病因导致的ARDS肺部损伤的病理生 Acute respiratory distress syndrome (ARDS) is a syndrome characterized mainly by acute progressive hypoxic respiratory failure after pulmonary capillary injury due to multiple causes in and outside of the lung. Although the cause of ARDS many causes, but the cause can be divided into pulmonary endogenous (such as severe pneumonia) and pulmonary exogenous (such as necrotizing pancreatitis) 2 categories. The traditional view that all causes of ARDS lung injury pathology