成人呼吸窘迫综合征(ARDS),是一种由多种病因引起肺应变性减低、肺泡萎陷、通气血流比率失调,导致严重进行性低氧血症为主的急性呼吸衰竭,临床上典型主征为呼吸窘迫。本病死亡率很高,近年应用呼气末正压呼吸综合治疗,收至一定的效果,患者一经治愈,呼吸功能都能恢复正常。过去的命名十分混乱,按发病原因称为休克肺、创伤肺、氧中毒肺、呼吸器肺、体外循环肺等;有按病理特点称之为充血性肺 Adult respiratory distress syndrome (ARDS) is caused by a variety of etiologies caused by reduced lung strain, alveolar collapse, ventilation and blood flow disorders, leading to severe progressive hypoxemia-based acute respiratory failure, the typical clinical The main sign for respiratory distress. The mortality rate of this disease is very high, in recent years, the application of positive end-expiratory breathing combined therapy, received a certain effect, the patient once healed, respiratory function can return to normal. The past name is very confusing, according to the cause of the disease called shock lung, trauma lung, oxygen poisoning lung, respirator lung, cardiopulmonary bypass; there are pathological features called congestive lung