Reducing Empiric Vancomycin Use in the Pediatric Intensive Care Unit: a Multicenter Study.

Authors

Kathleen Chiotos, Preeti Jaggi, Evan E Facer, Matthew Goldsmith, Jason Newland, Matthew M Sattler, Christine Lockowitz, Rebecca G Same, Yun Li, Ebbing Lautenbach, Kai Inoki, Didien Meyahnwi, Julia E Szymczak, Jeffrey S Gerber

Published in

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. Sep 05, 2026. Epub Sep 05, 2026.

Abstract

Vancomycin is frequently administered empirically for suspected serious bacterial infections (SBI) in the pediatric intensive care unit (PICU) despite low prevalence of methicillin-resistant Staphylococcus aureus (MRSA).
We performed a multicenter interrupted time series (ITS) study including five PICUs in three U.S. children's hospitals evaluating the impact of a multifaceted stewardship intervention including consensus guidelines, education, and group level audit and feedback on reducing empiric vancomycin use. The primary outcomes were (1) vancomycin administration within 12 hours of suspected SBI onset and (2) empiric vancomycin days of therapy (DOT) during the first 3 days after suspected SBI onset. Secondary outcomes included overall vancomycin DOT/1000 patient days; organ dysfunction at days 3 and 7; 14-day mortality; and invasive MRSA infection not covered empirically. Empiric vancomycin use was modeled using mixed-effects logistic regression and vancomycin DOT was modeled using mixed effects Poisson regression.
Among 4,549 episodes targeted by the intervention, there was an immediate reduction in empiric vancomycin use after the intervention (OR 0.71, 95% CI 0.54-0.95, P=0.02), with no significant change in post-intervention slope. Empiric vancomycin days after suspected SBI onset decreased by 24% immediately after the intervention (IRR 0.76, 95% CI 0.65-0.89, P<0.01), with no significant change in postintervention slope. There were no increases in mortality, organ dysfunction, or missed MRSA infections postintervention.
A multifaceted stewardship intervention reduced empiric vancomycin without evidence of harm, supporting the safety and feasibility of targeting empiric antibiotic prescribing in the PICU setting.

PMID:
42700377
Bibliographic data and abstract were imported from PubMed on 06 Sep 2026.

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