急性呼吸窘迫综合征是在严重感染、休克、创伤、烧伤等疾病发生时,肺毛细血管和肺泡因炎症性损伤导致通透性增加,产生的急性高通透性肺水肿和进行性缺氧性呼吸衰竭。小儿急性呼吸窘迫综合征是儿科常见的危重症之一,病死率极高,早期诊断、早期合理治疗是降低其病死率的关键。 Acute respiratory distress syndrome is an acute hyperpermeability pulmonary edema and progressive hypoxia that occurs when pulmonary capillaries and alveoli are inflicted with increased permeability due to inflammatory lesions during severe infections, shock, trauma, burns and other diseases Respiratory failure. Pediatric acute respiratory distress syndrome is one of the common critically ill pediatric diseases, mortality is extremely high, early diagnosis and early rational treatment is to reduce the mortality of the key.