Antibiotic resistance is driven by overuse, especially for viral respiratory infections. Procalcitonin (PCT), a biomarker for bacterial infections, helps guide antibiotic therapy more precisely, reducing unnecessary use and improving outcomes. Studies, including large trials and economic models across several countries, show PCT-guided treatment lowers mortality, antibiotic exposure, therapy duration and related complications, potentially reducing hospital costs despite initial testing expenses.
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Duration of antimicrobial treatment
Timeframe: Periprocedural