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  • Title: Antimicrobial prescribing and infections in long-term care facilities (LTCF): a multilevel analysis of the HALT 2016 study, Ireland, 2017.
    Author: Tandan M, Burns K, Murphy H, Hennessy S, Cormican M, Vellinga A.
    Journal: Euro Surveill; 2018 Nov; 23(46):. PubMed ID: 30458910.
    Abstract:
    BackgroundThe 2016 point prevalence survey (PPS) of healthcare-associated infections (HAI) and antimicrobial use (AMU) in Irish long-term care facilities (LTCF) (HALT) showed a 9.8% AMU and 4.4% HAI prevalence, based on aggregated data analysis.AimOur aim was to identify institutional and resident risk factors of AMU and HAI.MethodsHALT 2016 gathered information using institutional and resident questionnaires, for residents who met the surveillance definition of active HAI and/or AMU, limiting analysis to the aggregated institutional level. In January 2017, we requested additional data on age, sex, urinary catheter use and disorientation of current residents from HALT 2016 LTCF and matched to 2016 HALT data.ResultsOf 224 HALT 2016 LTCF, 80 provided additional information on 3,816 residents; prevalence of AMU was 10.6% and HAI was 4.7%. Presence of a coordinating physician (Odds ratio (OR): 0.3; 95% confidence interval (CI): 0.2-0.6), antimicrobial stewardship committee (OR: 0.2; 95%; CI: 0.1-0.6), healthcare assistants (OR: 0.9; 95% CI: 0.9-1.0), antimicrobial consumption feedback (OR: 0.3; 95% CI: 0.1-0.6) and medical care by personal general practitioner (OR: 0.6; 95% CI: 0.7-1.0) were associated with less AMU and feedback on surveillance of infection prevention and control (IPC) practices (OR: 0.6; 95% CI: 0.3-1.0) with less HAI. AMU and HAI varied significantly between LTCF.ConclusionsMultilevel modelling identified significant inter-facility variation, as well as institutional factors associated with AMU and HAI. An antimicrobial stewardship committee linked with feedback on IPC and prescribing was associated with reduced AMU and HAI.
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