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目的：评价呼吸末正压通气（ＰＥＥＰ）在急性呼吸窘迫综合征（ＡＲＤＳ）中的临床应用价值及合宜ＰＥＥＰ的选择。方法：对２０例ＡＲＤＳ患者的临床资料进行分析。结果：２０例患者应用ＰＥＥＰ治疗后ｐａＯ２上升，吸入氧气的体积分数减低，ＰＥＥＰ在０．７８４ｋＰａ～１．１８ｋＰａ时对血流动力学影响不大，并发症亦少。结论：ＰＥＥＰ是目前抢救ＡＲＤＳ的有力手段，可防止肺泡萎陷和肺不张。
PURPOSE: To evaluate the clinical value of PEEP in the treatment of acute respiratory distress syndrome (ARDS) and the appropriate choice of PEEP. Methods: The clinical data of 20 ARDS patients were analyzed. Results: After treatment with PEEP, the paO2 of 20 patients increased and the volume fraction of inhaled oxygen decreased. PEEP had little effect on hemodynamics at 0.784kPa ~ 1.18kPa and had fewer complications. Conclusion: PEEP is a powerful means of rescuing ARDS and preventing alveolar collapse and atelectasis.