• S Kiatboonsri, P Vathesatogit, and P Charoenpan.
• Department of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
• Se Asian J Trop Med. 1995 Dec 1; 26 (4): 774-80.

AbstractAdult respiratory distress syndrome (ARDS) has been a well recognized severe form of acute respiratory failure of multiple causes, which is characterized by intractable hypoxemia and an extremely high mortality rate. Forty-six cases of ARDS admitted to the Department of Medicine, Ramathibodi Hospital during a 39 months period were studied prospectively to explore the etiologic risk, positive end-expiratory pressure (PEEP) profiles, complications and outcome of treatment. There were 19 females and 27 males with the mean age of 40 years. Risks of ARDS included intra- and extra-pulmonary disease conditions and also tropical diseases such as malaria and leptospirosis. At the time of diagnosis, patients in this group were extremely hypoxic with a mean arterial/alveolar oxygen tension (PaO2/PAO2) of 0.125 +/- 0.04. After the application of appropriate PEEP, the mean PaO2/PAO2 ratios increased significantly in both survivor and non-survivor groups (0.277 and 0.199). The levels of PEEP used were below 16 and 11 cmH2O in 93.46% and 67.38% of cases, respectively. Complications of PEEP which included barotrauma and hypotension were found in 11 cases (23.9%) with a very high mortality rate (81.8%). There were 28 deaths of patients in this study, giving an overall 60.8% group mortality rate. Despite the similarities in most clinical profiles, the survivors, when compared to the non-survivors, showed a greater extent of improved oxygenation in response to the application of PEEP, with fewer PEEP complications. The present study would, hopefully, provide the Thai clinicians with valuable informations in the management of ARDS.

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