Toothbrushing associated with standard oral care in mechanically ventilated patients

Presence of at least two signs (body fever greater than 38°C; leukocytosis greater than 12000/ml or leukopenia below 4000/ml, purulent pulmonary secretions) associated with the appearance of a new infiltrate or modification of an existing infiltrate on chest-X-ray. Confirmation by a lower respiratory tract sample using a quantitative culture with a predefined positive threshold. Hospital-acquired pneumonia was defined as a pneumonia that occurs at least 48 hours after admission, which was not incubating at time of admission (Am J Respir Crit Care Med 2005; 171, 388-416).

Association of at least two signs (fever above 38.0°C, Leucocytosis above 12000/ml or purulent pulmonary secretions) with isolation of bacteria in a lower respiratory tract sample without modification of chest-X-Ray.