成人呼吸窘迫综合征(ARDS)是由多种病因引起的急进性呼吸困难、呼吸功能不全。本病发病急,进展迅速,死亡率高。过去,传统机械通气(CMV)特别是呼气末正压(PEEP)为主要治疗措施之一。近年来,各种型式的高频通气(HFV)开始应用于此类病人并取得了一定效果,其中以高频喷射通气(HFJV)的应用比较广泛,高频 Adult respiratory distress syndrome (ARDS) is caused by a variety of etiology of progressive dyspnea, respiratory insufficiency. The incidence of acute disease, rapid progress, high mortality. In the past, traditional mechanical ventilation (CMV), especially positive end expiratory pressure (PEEP) as one of the main treatment. In recent years, various types of high frequency ventilation (HFV) began to be used in such patients and achieved some results, including high frequency jet ventilation (HFJV) is widely used, high frequency