ArticleAntimicrobial stewardship & healthcare epidemiology : ASHE2026
Institutional spillover effects of antimicrobial use on antimicrobial resistance and
Article in Antimicrobial stewardship & healthcare epidemiology : ASHE, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: To synthesize evidence on institutional spillover effects of antimicrobial use (AMU) on antimicrobial resistance (AMR) and Design: Systematic review. Methods: Three databases were searched through August 2024 for studies evaluating spillover effects of AMU on unexposed individuals in institutional settings. Study characteristics, AMU, and outcomes were extracted. Study quality was assessed based on underlying methodology to detect spillover effect. A hybrid synthesis, including effect direction and meta-analysis of studies reporting continuous AMU and non-aggregate outcomes was utilized. Reporting followed PRISMA guidelines. Results: Of 5916 screened studies, five observational studies met inclusion criteria. Three were conducted across 68 hospital wards (ward-level exposure), and two across 693 nursing homes (facility-level exposure). Three studies evaluated all antimicrobial classes; two focused on penicillins, fluoroquinolones, and carbapenems. Two studies examined Conclusions: This review identified five studies suggesting a positive association between institutional AMU and collateral risks of AMR and
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Registered trials
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