French Criteria for ICU-Acquired Pneumonia

Components - all 3 of the following:

(1) radiological findings suggesting pneumonia

(2) clinical findings

(3) pulmonary findings

Radiological findings suggesting pneumonia - one of the following:

(1) >= 2 successive images suggesting a focus of pneumonia

(2) >= 1 image suggesting a focus of pneumonia in the absence of (heart disease and underlying lung disease)

One or both of the following clinical findings:

(1) temperature > 38.3°C with no other cause

(2) leukocyte concentration < 4*10^9/L or >= 12*10^9/L

At least 2 of the following pulmonary findings:

(1) purulent tracheobronchial secretions

(2) cough or dyspnea

(3) oxygen desaturation OR increased oxygen requirement OR need for ventilation

Confirmation of the diagnosis - at least one of the following:

(1) bronchoalveolar lavage with >= 10^4 colony-forming units (CFU) per mL

(2) protected distal sampling with >= 10^3 CFU/mL

(3) tracheobronchial aspiration with >= 10^6 CFU/mL