• W L Biffl, F A Moore, E E Moore, J B Haenel, R C McIntyre, and J M Burch.
• Department of Surgery, Denver General Hospital, Colorado 80204, USA.
• Am. J. Surg. 1995 Dec 1; 170 (6): 591-5; discussion 595-6.

BackgroundLate acute respiratory distress syndrome (ARDS), characterized by progressive pulmonary interstitial fibroproliferation, is associated with mortality > 80%. Although previous large prospective trials failed to show a benefit of steroids in early ARDS, recent small reports describe improved survival in patients with late ARDS. Recognizing the pathogenetic differences between early and late ARDS, we employed steroid therapy in patients with refractory late ARDS.Patients And MethodsOver a 5-year period, we treated 6 patients who were dying of isolated refractory ARDS with methylprednisolone sodium succinate (1 to 2 mg/kg every 6 hours). Ventilatory parameters and lung injury scores were serially recorded, and steroids were weaned based on clinical response.ResultsSteroids were instituted after 16 days of advanced mechanical ventilatory support. By day 7 of steroid therapy, there was clinically significant improvement in PaO2/FiO2 ratios (84 to 172) and lung injury scores (3.6 to 2.9); 5 patients (83%) survived.ConclusionsSteroid therapy appears to be effective in patients with refractory late ARDS. Prospective trials are needed to define the indications, timing of intervention, dose and duration, and precautions of steroid therapy.

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