ArticleJAC-antimicrobial resistance2025
Association between SARS-CoV-2 testing and antibiotic use in Swiss long-term care facilities: a retrospective multicentric study.
Article in JAC-antimicrobial resistance, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Acute respiratory infections (ARIs) account for 30% of long-term care facility (LTCF) infections, frequently leading to antibiotics over-prescription. Objectives: This study evaluates the impact of SARS-CoV-2 testing on LTCF antibiotic prescriptions. Methods: A retrospective study was conducted across 45 LTCFs in Vaud Canton, Switzerland, encompassing 2427 long-stay beds, from July 2021 to June 2023. Monthly data on SARS-CoV-2 tests and antibiotic prescriptions were collected. Using linear regression adjusted for Swiss viral epidemiology, we assessed the association between (i) SARS-CoV-2 testing and (ii) positive test results on antibiotic prescriptions. Results: SARS-CoV-2 testing rates in LTCFs varied, ranging from 0.3% to 16% of residents tested per facility, peaking in January 2022, July 2022, and November 2022. Similar trends were observed for SARS-CoV-2 test positivity, except for the last testing peak. Antibiotic prescription rates fluctuated moderately, from 3.9% to 7.4% monthly, with minor peaks in December 2021 and April 2022, and a notable peak in January 2023.No significant association was found between SARS-CoV-2 testing and antibiotic prescriptions (coefficient = -0.03 [95%CI: -0.16; 0.10], Conclusions: Overall testing rates showed no impact on antibiotic prescribing, but positive SARS-CoV-2 results correlated with reduced consumption, suggesting more informed prescribing practices and a reduction in unnecessary antibiotic use.
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