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Impact of Clostridioides difficile length of treatment on rates of recurrence in patients on concurrent antibiotics

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AMERICAN JOURNAL OF INFECTION CONTROL
卷 51, 期 11, 页码 1213-1217

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MOSBY-ELSEVIER
DOI: 10.1016/j.ajic.2023.04.167

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Clostridioides difficile infection; Infection control; Concurrent antimicrobials; Antimicrobial stewardship

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This study aimed to compare the recurrence rates of hospital-acquired CDI patients receiving standard duration of therapy (SDT) and extended duration of therapy (EDT). The results showed no significant difference in recurrence rates or new-onset VRE between the SDT and EDT groups in patients receiving concurrent antibiotics.
Background: Clostridioides difficile infection (CDI) is principally health care-associated, with a substantial impact on morbidity and mortality. The guidelines recommend CDI therapy for 10 days; however, it is often extended in practice when concurrent antibiotics are used. The impact of the extended duration of therapy remains unclear. Objective: To compare the rates of CDI recurrence in patients receiving standard duration of therapy (SDT) with those receiving extended duration of therapy (EDT) for the treatment of hospital-acquired CDI (HA-CDI) while receiving concurrent antibiotics. Methods: A retrospective chart review was conducted between October 2017 and 2019. Adult HA-CDI patients who received a minimum 10 days of CDI therapy and were on concurrent antibiotics were stratified into SDT and EDT groups. Rates of CDI recurrence (at 90 and 180 days) and incidence of new-onset vancomycin-resistant enterococcus (VRE) were compared. Results: Two hundred twenty-three patients met the inclusion criteria (SD-106, EDT-117). CDI recurrence rates at 90 and 180 days were not statistically significant between SDT and EDT groups (22% vs 26%, P = .40% and 26% vs 31%, P = .47). Although the incidence of VRE within the extended group was higher, it was not statistically significant (6% vs 9%, P = .29). Conclusions: No significant difference in rates of recurrence or new-onset VRE was observed between SDT and EDT in HA-CDI patients. (c) 2023 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. All rights reserved.

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