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Health Services Research & Development

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HSR&D Citation Abstract

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Hostler CJ, Bertumen JB, Park LP, Wilkins SB, Woods CW. Differences in time-to-testing and time-to-isolation between community-onset and hospital-onset Clostridioides difficile cases at a tertiary care VA medical center. American journal of infection control. 2020 Jan 3.
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Abstract: BACKGROUND: Delayed identification and isolation of patients with Clostridiodies difficile infection (CDI) may contribute to in-hospital transmission and delay appropriate therapy. To assess potential points for intervention, we conducted a retrospective cohort study to determine differences in time-to-testing and time-to-isolation among community-onset (CO), community-onset healthcare facility-associated (CO-HCFA), and hospital-onset (HO) CDI. METHODS: We compared clinical and demographic data of all CO, CO-HCFA, and HO CDI patients at our institution between October 2011 and September 2015. We then performed bivariable analysis on our cohorts to identify differences in time-to-testing and time-to-isolation for CO versus CO-HCFA versus HO CDI patients. RESULTS: 355 patients with CDI were hospitalized during the study; 138 (38.9%) with CO CDI, 52 (14.6%) with CO-HCFA CDI, and 165 (46.5%) with HO CDI. 117 (84.8%) CO CDI patients were tested within 1 day of diarrhea onset compared to 41 (78.8%) of CO-HCFA and 113 (68.5%) of HO CDI patients (P < .01). 51 CO CDI patients (36.7%) were placed on empirical isolation precautions at the time of diarrhea onset compared to 22 (43.1%) of CO-HCFA CDI patients and 32 (19.4%) of HO CDI patients (P < .01). CONCLUSIONS: CO CDI patients are more likely to be isolated empirically and tested earlier than HO CDI patients. Further attention should be paid to isolating hospitalized patients who develop diarrhea as an inpatient.

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