SYNOPSISTrauma patients on mechanical ventilation with one additional risk factor for developing stress ulcer bleed had a significant reduction in clinically significant gastrointestinal (GI) bleeding with omeprazole suspension prophylaxis. Nosocomial pneumonia occurred in 28% of the study group.SOURCELasky MR et al. A prospective study of omeprazole suspension to prevent clinically significant gastrointestinal bleeding from stress ulcers in mechanically ventilated trauma patients. J Trauma 1998;44:527–33.