The two most common consequences resulting from aspiration are chemical pneumonitis and bacterial aspiration pneumonia. Both entities present with comparable clinical signs and symptoms. In the absence of a reliable clinical or biological marker to differentiate between these two conditions, most patients with suspected aspiration are treated empirically with antibiotics. De-escalation of initial antibiotic treatment is encouraged based on the results of microbiological results, usually performed before starting antimicrobial treatment. However, in most hospitals, 48-72h are required to obtain the results of microbiological cultures, and to de-escalate empirical large spectrum antibiotic treatment. The use of the Unyvero®, a multiplex PCR-based testing system, for detection of respiratory bacterial pathogens would allow decreasing the percentage of patients with aspiration syndrome who will receive unappropriated antibiotic treatment at Day 3.
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The percentage of patients who will benefit from an early stop of the probabilist antibiotic treatment
Timeframe: 48 hours after antibiotic treatment initiation