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  • Title: Effect of antimicrobial stewardship with rapid MALDI-TOF identification and Vitek 2 antimicrobial susceptibility testing on hospitalization outcome.
    Author: Cavalieri SJ, Kwon S, Vivekanandan R, Ased S, Carroll C, Anthone J, Schmidt D, Baysden M, Destache CJ.
    Journal: Diagn Microbiol Infect Dis; 2019 Oct; 95(2):208-211. PubMed ID: 31279585.
    Abstract:
    We sought to evaluate time for bacterial culture and initiation of appropriate therapy for patients, from 2017 (without rapid diagnostic test (RDT) and Antimicrobial Stewardship Program (ASP)) and 2018 (with RDT and ASP). Time to identification (ID) was significantly faster in 2018 (2018 24.9 ± 14.4, 2017 33.8 ± 17 h, P = 0.001). Time to antimicrobial susceptibility test (AST) results was significantly faster for patients in 2018 compared to 2017 (18.2 ± 14 h compared to 28.5 ± 14.9 h, P < 0.001). Length of hospital stay for enrolled patients was significantly shorter in 2018 compared to 2017 (2018 10.7 ± 11.1 days and 2017 15.5 ± 18.1 days, P = 0.05). Length of antimicrobial therapy for enrolled patients was significantly shorter for 2018 (2018 6.7 ± 3.8 d vs. 2017 8.8 ± 7.8 d, P = 0.036). These results demonstrate MALDI-TOF/Vitek 2 leads to an average 21.5 h faster ID and AST results that can be acted upon by ASP for antimicrobial recommendations.
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