Procalcitonin and other markers to guide antibiotic use in chronic obstructive pulmonary disease exacerbations in the era of antimicrobial resistance

Purpose of reviewThis review summarizes the latest discoveries regarding the use of clinical indicators and biomarkers to guide antibiotic use in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD), and it analyzes the advantages and disadvantages of various indicators