急性呼吸窘迫综合征(ARDS)是在严重感染、休克、创伤及烧伤等非心源性疾病过程中,肺毛细血管内皮细胞和肺泡上皮细胞损伤造成弥漫性肺间质及肺泡水肿,导致的急性低氧性呼吸功能不全或衰竭。以肺气容积减少、肺顺应性降低和严重的通气/血流比例失调为病理生理特点,临床表现为不易缓 Acute respiratory distress syndrome (ARDS) is an acute disease caused by diffuse pulmonary interstitial and alveolar edema in the pulmonary capillary endothelial cells and alveolar epithelial cells during non-cardiac disease such as severe infection, shock, trauma and burns Hypoxic respiratory failure or failure. To reduce lung volume, decreased lung compliance and severe aeration / blood flow imbalance for the pathophysiology of the clinical manifestations of not easy to slow