Impact of an infectious disease physician-led carbapenem postprescription feedback on prescribing behavior in a Japanese tertiary hospital: A before-after study
Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy(2021)
Abstract
Introduction: There is an insufficient number of infectious disease (ID) physicians in Japan. Hence, we considered a strategy to implement antimicrobial stewardship under these resource-limited settings. Methods: We compared carbapenem consumption, measured as days of therapy per 100 patient-days, between 24-month baseline and 12-month intervention periods. During the intervention period, an ID physician provided daily advises to prescribers against prolonged carbapenem use (>= 14 days). Additionally, we sent all doctors a table containing the weekly point prevalence aggregate of carbapenem use of each department for 7-13 and >= 14 days via e-mail. Results: Among the 1241 carbapenem courses during the intervention period, the ID physician provided a total of 96 instances of feedback regarding carbapenem use for >= 14 days, with an acceptance rate of 76%. After the initiation of the intervention, the trend in monthly carbapenem consumption changed (coefficient: -0.62; 95% CI: -1.15 to -0.087, p = 0.024), and its consumption decreased (coefficient: -0.098; 95% CI: -0.16 to -0.039, p = 0.002) without an increase in the consumption of broad-spectrum antimicrobials or in-hospital mortality. Interestingly, the monthly number of carbapenem courses, but not the duration of carbapenem use, significantly decreased (coefficient: -3.02; 95% CI: -4.63 to -1.42, p = 0.001). The carbapenem-related annual estimated savings after the intervention was $83,745, with a 22% cost reduction. Conclusions: Our ID physician-led daily intervention with weekly feedback regarding long-term carbapenem use was effective in reducing antimicrobial consumption. Such feedback may be useful in changing the prescribing behavior and promoting appropriate antimicrobial usage even in resource-limited settings. (C) 2020 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.
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Key words
Infectious disease physician,Antimicrobial stewardship,Postprescription carbapenem intervention
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