Trial on a Strategy Combining Rapid Diagnostic Testing and Antimicrobial Stewardship to Improve Antibiotic Use in Patients With Hospital-acquired Pneumonia.

Inclusion Criteria

• •Any patient hospitalized for ≥ 48 hours
• •aged 18 years or older
• •not mechanically-ventilated at time of onset of pneumonia symptoms
• •Dated and signed inform consent - written informed consent of relative (trusted person, close family) in case of emergency procedure, by default emergency inclusion notified in medical file and pursuance consent sought
• •Affiliation with a social security scheme
• •Criteria of pneumonia:
• •New lung infiltrate on a chest-x ray plus
• •Evidence that the infiltrate is of an infectious origin, i.e. new onset of fever (\> 38.5°C) and/or purulent sputum and/or leukocytosis and/or decline in oxygenation