A population pharmacokinetic model that satisfactorily described the disposition and variability of meropenem in our Japanese population is described. NONMEM analysis showed that the clearance of meropenem depended on modified serum creatinine. The results of this study should help Japanese patients on meropenem by improving the prediction accuracy of dosing using the Bayesian method.
Background: There are a few infectious disease (ID) specialists in Japan. A solution to promote the implementation of antimicrobial stewardship activities under these resource-limited settings is required.Methods: We compared carbapenem consumption between a 24-month baseline and 12-month intervention periods. During the intervention period, an ID specialist provided daily advises through a chart review and ID consultation service to prescribers against all prolonged carbapenem use (≥ 14 days). Additionally, we send an aggregated table containing the weekly point prevalence amount of each departmental carbapenem use for 7–13 and ≥ 14 days through e-mail to all doctors.Results: Among the 1,241 carbapenem courses during the intervention period, the ID specialist provided a total of 96 instances of feedback regarding carbapenem use for ≥ 14 days, and the feedback acceptance rate was 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 specialist-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.
BackgroundThere are fewer board-certified infectious disease (ID) specialists in Japan (n = 1494) than in the United States (n = 8535); therefore, we have insufficient protected time for antimicrobial stewardship activities, and thus, there is a need for an innovative solution.MethodsThis study compared carbapenem consumption between a 24-month baseline period and a 12-month intervention period at the Iizuka Hospital with 1048 inpatient beds in Japan. During the intervention period, a board-certified ID specialist provided daily feedback to prescribers against prolonged carbapenem use (≥14 days) through conversations and medical records. Additionally, we reported through e-mail the weekly point prevalence surveillance data of the long-term carbapenem users for 7–13 and ≥14 days, which were aggregated by each department.ResultsWe provided a total of 106 feedbacks regarding carbapenem use for ≥14 days during the intervention period. After the initiation of intervention, the trend of monthly carbapenem consumption changed (coefficient: −0.62; 95% CI: −1.15 to −0.087, P = 0.024), and its overall consumption has decreased (coefficient: −0.098; 95% CI: −0.16 to −0.039, P = 0.002, Figure 1) without a change in the in-hospital mortality (P = 0.53) as revealed by segmented regression analysis. Interestingly, the number of monthly carbapenem users, but not the duration of carbapenem use, significantly decreased (coefficient: −3.02; 95% CI: −4.63 to −1.42, P = 0.001, Figure 2). An annual estimated saving after the intervention was $82,266 with a cost reduction of 22%.ConclusionOur ID specialist-led daily intervention in carbapenem prescription and weekly feedback for long-term carbapenem use were effective in reducing this antibiotic’s consumption and consequently the number of carbapenem users. These feedbacks may be useful in changing the behavior of prescribers and promoting appropriate antimicrobial use even in resource-poor settings.
Disclosures
All authors: No reported disclosures.
Psychiatric treatment is shifting from hospital to ambulatory care. It is important that pharmacists positively support outpatients. Pharmacist-led interviews with outpatients have been conducted in the psychiatric department of Iizuka Hospital before examination by the doctor since 2015. Few studies in thisˆeld have reported about the eŠect of the pharmacist-led interviews using subjective evaluation of outpatients prior to examination by doctors. The aim of this study was to reveal this eŠect by the evaluation of outpatients. We conducted a questionnaire survey. More than 80% of the patients responded that it was``Good'' to have an interview with the pharmacist prior to examination by the doctor. Moreover, 71.7% of the patients were``Satisˆed'' with the pharmacist-led interview, while 81.7% of them responded tò`A gree'' about continuing the interview in the future. Patients who were satisˆed and wished to continue the pharmacist-led interviews were more likely to report better rapport with the doctor as well, in comparison to the patients who answered negatively. Furthermore, the patients who answered``Satisˆed'' were signiˆcantly less likely to forget reporting to the doctor than those who answered negatively. The pharmacist-led interviews in the psychiatric department were appreciated by the patients. In conclusion, pharmacists can facilitate communication between patients and doctors through these interviews. These results indicate that the pharmacist-led interview before the doctor examination is a useful eŠort from the perspective of outpatients.
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