Journal of global antimicrobial resistance · 2021
Antimicrobial stewardship programme associated with earlier prescription of in vitro susceptible therapy and lower 14-day mortality in patients with carbapenem-resistant Enterobacterales bacteraemia: a cohort study.
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Barros Andressa, Monroy Hilda, Bergo Pedro, Beck Eduarda, David Leonardo, Rigatto Maria Helena
Аннотация
OBJECTIVES: This study analysed the impact of antimicrobial stewardship team (AST) evaluation on time to susceptible in vitro therapy and mortality of patients with carbapenem-resistant Enterobacterales (CRE) bacteraemia.
METHODS: We performed a retrospective cohort study (February 2018 to July 2020) to evaluate the impact of AST evaluation, along with other clinical and microbiological variables, on time to appropriate antibiotics, 14-day mortality and in-hospital mortality in patients aged >18 years with CRE bacteraemia. A Cox regression model was used for multivariate analysis.
RESULTS: A total of 142 patients were included. The proportion of patients who received appropriate antibiotics in the first 5 days after bacteraemia was 82/92 (89.1%) versus 29/50 (58.0%) evaluated and not evaluated by the AST, respectively (P < 0.01). AST evaluation reduced the median time to appropriate therapy (49.8 h vs. 71.1 h; P = 0.01). AST intervention was independently associated with earlier prescription of appropriate therapy (P = 0.02) when controlled for septic shock (P < 0.01) and CRE isolation in the previous 90 days (P = 0.04). Regarding mortality, 51 patients (35.9%) died within 14 days (25.8% vs. 44.7% with and without AST intervention, respectively; P = 0.02) and 82 patients (57.7%) in hospital (52.2% vs. 68.0% evaluated and not evaluated by the AST, respectively; P = 0.08). AST intervention was independently protective for 14-day mortality (P = 0.03) when controlled for septic shock status (P < 0.01).
CONCLUSION: AST guidance improves the quality of antibiotic prescriptions and clinical outcomes in patients with CRE bacteraemia.
METHODS: We performed a retrospective cohort study (February 2018 to July 2020) to evaluate the impact of AST evaluation, along with other clinical and microbiological variables, on time to appropriate antibiotics, 14-day mortality and in-hospital mortality in patients aged >18 years with CRE bacteraemia. A Cox regression model was used for multivariate analysis.
RESULTS: A total of 142 patients were included. The proportion of patients who received appropriate antibiotics in the first 5 days after bacteraemia was 82/92 (89.1%) versus 29/50 (58.0%) evaluated and not evaluated by the AST, respectively (P < 0.01). AST evaluation reduced the median time to appropriate therapy (49.8 h vs. 71.1 h; P = 0.01). AST intervention was independently associated with earlier prescription of appropriate therapy (P = 0.02) when controlled for septic shock (P < 0.01) and CRE isolation in the previous 90 days (P = 0.04). Regarding mortality, 51 patients (35.9%) died within 14 days (25.8% vs. 44.7% with and without AST intervention, respectively; P = 0.02) and 82 patients (57.7%) in hospital (52.2% vs. 68.0% evaluated and not evaluated by the AST, respectively; P = 0.08). AST intervention was independently protective for 14-day mortality (P = 0.03) when controlled for septic shock status (P < 0.01).
CONCLUSION: AST guidance improves the quality of antibiotic prescriptions and clinical outcomes in patients with CRE bacteraemia.