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Trends in antimicrobial resistance over 10 years among key bacterial pathogens from Canadian hospitals: results of the CANWARD study 2007-16

Lagacé-Wiens, Philippe R S ; Adam, Heather J ; Poutanen, Susan ; Baxter, Melanie R ; Denisuik, Andrew J ; Golden, Alyssa R ; Nichol, Kimberly A ; Walkty, Andrew ; Karlowsky, James A ; Mulvey, Michael R ; Golding, George ; Hoban, Daryl J ; Zhanel, George G

Journal of antimicrobial chemotherapy, 2019-08, Vol.74 (Suppl 4), p.iv22-iv31 [Periódico revisado por pares]

England

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  • Título:
    Trends in antimicrobial resistance over 10 years among key bacterial pathogens from Canadian hospitals: results of the CANWARD study 2007-16
  • Autor: Lagacé-Wiens, Philippe R S ; Adam, Heather J ; Poutanen, Susan ; Baxter, Melanie R ; Denisuik, Andrew J ; Golden, Alyssa R ; Nichol, Kimberly A ; Walkty, Andrew ; Karlowsky, James A ; Mulvey, Michael R ; Golding, George ; Hoban, Daryl J ; Zhanel, George G
  • É parte de: Journal of antimicrobial chemotherapy, 2019-08, Vol.74 (Suppl 4), p.iv22-iv31
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: We sought to analyse 10 years of longitudinal surveillance data (2007-16) from the CANWARD study and describe emerging trends in antimicrobial resistance for key bacterial pathogens across Canada. Longitudinal data from CANWARD study sites that contributed isolates every year from 2007 to 2016 were analysed to identify trends in antimicrobial resistance over time using univariate tests of trend and multivariate regression models to account for the effects of patient demographics. Statistically significant increases occurred in the proportion of Escherichia coli isolates resistant to extended-spectrum cephalosporins, amoxicillin/clavulanate, trimethoprim/sulfamethoxazole and ciprofloxacin. Similarly, the proportion of Klebsiella pneumoniae isolates resistant to extended-spectrum cephalosporins, amoxicillin/clavulanate, trimethoprim/sulfamethoxazole, ciprofloxacin and carbapenems increased during the study. The proportion of Enterobacter cloacae isolates resistant to ceftazidime and trimethoprim/sulfamethoxazole increased. The proportion of both ESBL-positive E. coli and K. pneumoniae (including bloodstream isolates) increased significantly between 2007 and 2016. A reduction in the proportion of Pseudomonas aeruginosa that were ciprofloxacin, cefepime, colistin, amikacin and gentamicin resistant and an increase in the proportion of P. aeruginosa isolates non-susceptible to meropenem were observed. The proportion of isolates of Staphylococcus aureus non-susceptible to clarithromycin, clindamycin and trimethoprim/sulfamethoxazole decreased over time while an increase in the proportion of isolates of Streptococcus pneumoniae non-susceptible to clarithromycin, clindamycin and doxycycline was observed. Increases in Enterobacteriaceae resistance to multiple classes of antimicrobials, increases in ESBL-positive E. coli and K. pneumoniae, and the small but significant increase in carbapenem-resistant K. pneumoniae were the most remarkable changes in antimicrobial resistance observed from 2007 to 2016 in Canada.
  • Editor: England
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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