ReviewThe western journal of emergency medicine2026
Initial Specimen Diversion Devices for Emergency Department Blood Cultures May Reduce Contamination Rates and Costs: Structured Literature Review.
Review in The western journal of emergency medicine, 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.
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Authors and funding
7 authors.
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Abstract
introductionEmergency departments (ED) are a primary site of blood culture collection in the United States. High rates of blood culture contamination, commonly seen in EDs, are associated with diagnostic inaccuracy, unnecessary antibiotic use, and increased costs. In this structured literature review, we evaluated the effectiveness of initial specimen diversion devices (ISSDs), which are attached to the needle tip and discard the initial 0.15-1.5 mL of blood. We paid particular attention to their applicability in reducing blood culture contamination in adult ED patients in rural healthcare settings. The average cost of an ISDD is $15-$30, and this upfront cost creates a significant barrier in rural EDs, which face resource scarcity.
methodsIn this review of primary literature from 2021-2025, we evaluated the efficacy of ISDD in lowering blood culture contamination rates in adult patients in the ED. Our primary outcome was the change in contamination rates after introduction of the ISDD. Secondary outcomes included changes in vancomycin duration of therapy, hospital length of stay, and total hospital costs.
resultsWe screened 460 records across PubMed, EBSCO, and Embase. Eight papers were selected for full review, from 10 hospital systems. All studies demonstrated a decrease in the rates of blood culture contamination with the ISDD. Contamination rates were reduced by an average of 2.89% across all 10 study locations. Only three of 10 hospitals (30%) achieved a blood culture contamination rate below 1%. One rural community hospital saw an absolute reduction of BCCs from 3.94% to 1.05%. Another study reported a decrease in total yearly hospital costs from $1,120,000 to $383,690, and another reported a 31.4% reduction in mean duration of vancomycin therapy.
conclusionThis review shows the clinical value of ISDDs to reduce blood culture contamination, and highlights the need for further research into scalable implementation strategies, especially in resource-constrained systems, like rural hospitals.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.