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Our objective was to assess the impact on mortality, antibacterial therapy duration, and length of stay of using PCT to guide antibiotic cessation in critically ill patients with sepsis or septic shock. A systematic literature search was performed in PubMed, Embase, ISI Web of Knowledge, BioMed Central, ScienceDirect and the Cochrane Central Register of Controlled Trials, of clinical trials published in English before December 31, 2019. Eligible studies should be carried out in adults at ICU with sepsis, comparing the PCT-guided antimicrobial therapy with standard of care. A random effects model was used. Twelve studies were eligible with a total of 4292 patients included. The combined relative risk for 28-day mortality was 0.89 (95% CI: 0.79; 0.99), for the duration of antimicrobial therapy was −1.98 days (95% CI: −2.76, −1.21) and for ICU- length of stay was-1.21 days (95% CI: −4.16, 1.74). In critically ill adults with sepsis, a procalcitonin-guided strategy is associated with a significant shorter duration of antimicrobial therapy. This reduction was associated with a significant decrease in mortality although the length of ICU stay was not affected.

expert review of anti-infective therapy

Clinical impact of procalcitonin-based algorithms for duration of antibiotic treatment in critically ill adult patients with sepsis: a meta-analysis of randomized clinical trials