Abstract: ObjectiveTo observe the risk factors influencing the prognosis of critical ill patients with acute respiratory distress syndrome (ARDS).MethodsThe clinical data of 67 critical ill patients with ARDS from 2003 to 2004 were reviewed retrospectively.ResultsThe acute physiology and chronic health evaluation (APACHEⅡ) scores and age were all differed significantly between survivors and non-survivors groups (P<0.05). The earlier of respiratory supported, the lowest of mortality (P<0.05).Conclusion APACHEⅡ scores, age and the time of starting respiratory support are main risk factors for mortality of critical ill patients with ARDS.

Key words: surgery, acute respiratory distress syndrome(ARDS), risk factor