Procalcitonin for Patient Monitoring and Antibiotic Therapy Guidance

This guide provides an overview of the practical use of procalcitonin (PCT) as a biomarker in clinical settings, particularly for monitoring patients with systemic infections and guiding antibiotic therapy. It outlines the significance of PCT in risk assessment for severe sepsis and septic shock, assessing disease severity, and making informed clinical decisions. The document discusses the kinetics of PCT, its prognostic properties, and its application in various clinical scenarios, including pediatrics and geriatrics. Additionally, it presents guideline recommendations for the use of PCT in antibiotic therapy decisions, emphasizing the importance of understanding PCT's limitations and the necessity of using it within established clinical protocols. The guide is structured into chapters that detail the regulation of PCT, its use in different types of infections, and a question and answer section addressing common concerns. The content reflects updated knowledge and best practices for utilizing PCT in patient management.