Effect of Probiotics on Incident Ventilator-Associated Pneumonia in Critically Ill Patients: A Randomized Clinical Trial.

Among critically ill patients requiring mechanical ventilation, administration of the probiotic L rhamnosus GG compared with placebo resulted in no significant difference in the development of ventilator-associated pneumonia, and these findings do not support the use of L rhenobacillus GG in critical ill patients.