scholarly journals Impact of a Multimodal Antimicrobial Stewardship Program onPseudomonas aeruginosaSusceptibility and Antimicrobial Use in the Intensive Care Unit Setting

2011 ◽  
Vol 2011 ◽  
pp. 1-5 ◽  
Author(s):  
Douglas Slain ◽  
Arif R. Sarwari ◽  
Karen O. Petros ◽  
Richard L. McKnight ◽  
Renee B. Sager ◽  
...  

Objective. To study the impact of our multimodal antibiotic stewardship program onPseudomonas aeruginosasusceptibility and antibiotic use in the intensive care unit (ICU) setting.Methods. Our stewardship program employed the key tenants of published antimicrobial stewardship guidelines. These included prospective audits with intervention and feedback, formulary restriction with preauthorization, educational conferences, guidelines for use, antimicrobial cycling, and de-escalation of therapy. ICU antibiotic use was measured and expressed as defined daily doses (DDD) per 1,000 patient-days.Results. Certain temporal relationships between antibiotic use and ICU resistance patterns appeared to be affected by our antibiotic stewardship program. In particular, the ICU use of intravenous ciprofloxacin and ceftazidime declined from 148 and 62.5 DDD/1,000 patient-days to 40.0 and 24.5, respectively, during 2004 to 2007. An increase in the use of these agents and resistance to these agents was witnessed during 2008–2010. Despite variability in antibiotic usage from the stewardship efforts, we were overall unable to show statistical relationships withP. aeruginosaresistance rate.Conclusion. Antibiotic resistance in the ICU setting is complex. Multimodal stewardship efforts attempt to prevent resistance, but such programs clearly have their limits.

Antibiotics ◽  
2020 ◽  
Vol 9 (12) ◽  
pp. 848
Author(s):  
Flavien Bouchet ◽  
Vincent Le Moing ◽  
Delphine Dirand ◽  
François Cros ◽  
Alexi Lienard ◽  
...  

Multiple modes of interventions are available when implementing an antibiotic stewardship program (ASP), however, their complementarity has not yet been assessed. In a 938-bed hospital, we sequentially implemented four combined modes of interventions over one year, centralized by one infectious diseases specialist (IDS): (1) on-request infectious diseases specialist consulting service (IDSCS), (2) participation in intensive care unit meetings, (3) IDS intervention triggered by microbiological laboratory meetings, and (4) IDS intervention triggered by pharmacist alert. We assessed the complementarity of the different cumulative actions through quantitative and qualitative analysis of all interventions traced in the electronic medical record. We observed a quantitative and qualitative complementarity between interventions directly correlating to a decrease in antibiotic use. Quantitatively, the number of interventions has doubled after implementation of IDS intervention triggered by pharmacist alert. Qualitatively, these kinds of interventions led mainly to de-escalation or stopping of antibiotic therapy (63%) as opposed to on-request IDSCS (32%). An overall decrease of 14.6% in antibiotic use was observed (p = 0.03). Progressive implementation of the different interventions showed a concrete complementarity of these actions. Combined actions in ASPs could lead to a significant decrease in antibiotic use, especially regarding critical antibiotic prescriptions, while being well accepted by prescribers.


2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S669-S669
Author(s):  
Jenny Seah ◽  
Daniel Beriault ◽  
Bradley Langford ◽  
Kevin L Schwartz ◽  
Robert Cirone ◽  
...  

Abstract Background Procalcitonin (PCT) monitoring has been shown to result in reduced antibiotic use without an impact on patient outcomes. However, the real-world value of this biomarker has yet to be determined, particularly when efforts to optimize antibiotic use are already in place. We evaluated the feasibility and impact of PCT-guided antibiotic duration combined with an established antibiotic stewardship program (ASP) in a community hospital intensive care unit (ICU) in Toronto, Canada. Methods We conducted a quality improvement initiative in our ICU from November 2017 to October 2018 measuring daily PCT levels for immunocompetent patients receiving antibiotic therapy for suspected or proven bacterial infection with an expected duration between 48 hours and 21 days. Our protocol recommended stopping antibiotic therapy if PCT fell below 0.5 μg/L (absolute threshold) or if it dropped more than 80% from its peak value (relative threshold). ASP rounds took place twice weekly since 2013, integrating a regular discussion about PCT levels once this initiative was implemented. We evaluated the adherence to stopping criteria within 48h, antibiotic use (days of therapy per 1,000 patient-days), length of stay, 48h re-admission, and ICU-mortality. Interrupted time series with segmented regression was performed to evaluate pre-post intervention differences compared with the 12-months prior to implementation. Results A total of 297 antibiotic courses were monitored with PCT in 217 patients. Respiratory (62%), unknown infection (11%), and intra-abdominal infection (7%) were the most common reasons for antibiotics. Protocol adherence was 34% (absolute threshold: 39%, relative threshold: 12%). Adherence by ICU physician varied widely between 24% and 52%. Antibiotic use pre-PCT was 1,002 DOTs/1,000 PDs and post-PCT was 817 DOTs/1,000 PDs (adjusted change −15%, 95% CI: −28% to +8%) (Figure 1). No statistically significant changes in clinical outcomes were noted. Conclusion In the context of an active ASP in a community hospital ICU, PCT monitoring was associated with a non-significant decrease in antibiotic use. Further evaluation of reasons for inter-physician variability in adherence and opportunities for improved and sustained overall adherence should be explored. Disclosures All authors: No reported disclosures.


2018 ◽  
Vol 39 (8) ◽  
pp. 941-946 ◽  
Author(s):  
Bradley J. Langford ◽  
Julie Hui-Chih Wu ◽  
Kevin A. Brown ◽  
Xuesong Wang ◽  
Valerie Leung ◽  
...  

AbstractObjectivesAntibiotic use varies widely between hospitals, but the influence of antimicrobial stewardship programs (ASPs) on this variability is not known. We aimed to determine the key structural and strategic aspects of ASPs associated with differences in risk-adjusted antibiotic utilization across facilities.DesignObservational study of acute-care hospitals in Ontario, CanadaMethodsA survey was sent to hospitals asking about both structural (8 elements) and strategic (32 elements) components of their ASP. Antibiotic use from hospital purchasing data was acquired for January 1 to December 31, 2014. Crude and adjusted defined daily doses per 1,000 patient days, accounting for hospital and aggregate patient characteristics, were calculated across facilities. Rate ratios (RR) of defined daily doses per 1,000 patient days were compared for hospitals with and without each antimicrobial stewardship element of interest.ResultsOf 127 eligible hospitals, 73 (57%) participated in the study. There was a 7-fold range in antibiotic use across these facilities (min, 253 defined daily doses per 1,000 patient days; max, 1,872 defined daily doses per 1,000 patient days). The presence of designated funding or resources for the ASP (RRadjusted, 0·87; 95% CI, 0·75–0·99), prospective audit and feedback (RRadjusted, 0·80; 95% CI, 0·67–0·96), and intravenous-to-oral conversion policies (RRadjusted, 0·79; 95% CI, 0·64–0·99) were associated with lower risk-adjusted antibiotic use.ConclusionsWide variability in antibiotic use across hospitals may be partially explained by both structural and strategic ASP elements. The presence of funding and resources, prospective audit and feedback, and intravenous-to-oral conversion should be considered priority elements of a robust ASP.


2019 ◽  
Vol 40 (10) ◽  
pp. 1181-1183 ◽  
Author(s):  
Alexandra C. Lahart ◽  
Christopher C. McPherson ◽  
Jeffrey S. Gerber ◽  
Barbara B. Warner ◽  
Brian R. Lee ◽  
...  

AbstractAntimicrobial stewardship programs typically use days of therapy to assess antimicrobial use. However, this metric does not account for the antimicrobial spectrum of activity. We applied an antibiotic spectrum index to a population of very-low-birth-weight infants to assess its utility to evaluate the impact of antimicrobial stewardship interventions.


2020 ◽  
Vol 58 (10) ◽  
Author(s):  
Valeria Fabre ◽  
Eili Klein ◽  
Alejandra B. Salinas ◽  
George Jones ◽  
Karen C. Carroll ◽  
...  

ABSTRACT Interventions to optimize blood culture (BCx) practices in adult inpatients are limited. We conducted a before-after study evaluating the impact of a diagnostic stewardship program that aimed to optimize BCx use in a medical intensive care unit (MICU) and five medicine units at a large academic center. The program included implementation of an evidence-based algorithm detailing indications for BCx use and education and feedback to providers about BCx rates and indication inappropriateness. Neutropenic patients were excluded. BCx rates from contemporary control units were obtained for comparison. The primary outcome was the change in BCxs ordered with the intervention. Secondary outcomes included proportion of inappropriate BCx, solitary BCx, and positive BCx. Balancing metrics included compliance with the Centers for Medicare and Medicaid Services (CMS) SEP-1 BCx component, 30-day readmission, and all-cause in-hospital and 30-day mortality. After the intervention, BCx rates decreased from 27.7 to 22.8 BCx/100 patient-days (PDs) in the MICU (P = 0.001) and from 10.9 to 7.7 BCx/100 PD for the 5 medicine units combined (P < 0.001). BCx rates in the control units did not decrease significantly (surgical intensive care unit [ICU], P = 0.06; surgical units, P = 0.15). The proportion of inappropriate BCxs did not significantly change with the intervention (30% in the MICU and 50% in medicine units). BCx positivity increased in the MICU (from 8% to 11%, P < 0.001). Solitary BCxs decreased by 21% in the medicine units (P < 0.001). Balancing metrics were similar before and after the intervention. BCx use can be optimized with clinician education and practice guidance without affecting sepsis quality metrics or mortality.


2019 ◽  
Vol 40 (6) ◽  
pp. 693-698 ◽  
Author(s):  
Kathleen Chiotos ◽  
Pranita D. Tamma ◽  
Jeffrey S. Gerber

AbstractInfections due to antibiotic-resistant organisms are increasing in prevalence and represent a major public health threat. Antibiotic overuse is a major driver of this epidemic, and antibiotic stewardship an important means of limiting antibiotic resistance. The intensive care unit (ICU) setting presents an intersection of opportunities and challenges for effective antibiotic stewardship, but limited data inform optimal stewardship interventions in this setting. In this review, we present unique considerations for stewardship interventions the ICU setting and summarize available data evaluating the impact of prospective audit and feedback, diagnostic test stewardship, rapid molecular diagnostic tests, and procalcitonin-guided algorithms for antibiotic discontinuation. The existing knowledge gaps ripe for future research are emphasized.


2018 ◽  
Vol 3 ◽  
pp. 73 ◽  
Author(s):  
Tavpritesh Sethi ◽  
Shubham Maheshwari ◽  
Aditya Nagori ◽  
Rakesh Lodha

Emerging antimicrobial resistance (AMR) is a global threat to life. Injudicious use of antibiotics is the biggest driver of resistance evolution, creating selection pressures on micro-organisms. Intensive care units (ICUs) are the strongest contributors to this pressure, owing to high infection and antibiotic usage rates. Antimicrobial stewardship programs aim to control antibiotic use; however, these are mostly limited to descriptive statistics. Genomic analyses lie at the other extreme of the value-spectrum, and together these factors predispose to siloing of knowledge arising from AMR stewardship. In this study, we bridged the value-gap at a Pediatric ICU by creating Bayesian network (BN) artificial intelligence models with potential impacts on antibiotic stewardship. Methods, actionable insights and an interactive dashboard for BN analysis upon data observed over 3 years at the PICU are described. BNs have several desirable properties for reasoning from data, including interpretability, expert knowledge injection and quantitative inference. Our pipeline leverages best practices of enforcing statistical rigor through bootstrapping, ensemble averaging and Monte Carlo simulations. Competing, shared and independent drug resistances were discovered through the presence of network motifs in BNs. Inferences guided by these visual models are also discussed, such as increasing the sensitivity testing for chloramphenicol as a potential mechanism of avoiding ertapenem overuse in the PICU. Organism, tissue and temporal influences on drug co-resistances are also discussed. While the model represents inferences that are tailored to the site, BNs are excellent tools for building upon pre-learnt structures, hence the model and inferences were wrapped into an interactive dashboard not only deployed at the site, but also made openly available to the community via GitHub. Shared repositories of such models could be a viable alternative to raw-data sharing and could promote partnering, learning across sites and charting a joint course for antimicrobial stewardship programs in the race against AMR.


Author(s):  
HIDAYAH KARUNIAWATI ◽  
TRI YULIANTI ◽  
DEWI KUROTA AINI ◽  
FINISHIA ISNA NURWIENDA

Objective: Antibiotic resistance is a serious problem worldwide. One cause of antibacterial resistance is the inappropriate use of antibiotics. Thestudy of antibiotic use in hospitals found that 30–80% were not based on indications. Antimicrobial Stewardship Programs (ASP) was developed tocontrol antimicrobial resistance. This study aims to evaluate the impact of ASP in pneumonia patients qualitatively and quantitatively pre-post ASPapplied.Methods: This research is a non-experimental study. Data were taken from the medical records of pneumonia patients and analyzed qualitativelyusing the Gyssens method and quantitatively using the Defined Daily Dose (DDD) method. Sampling was conducted through purposive sampling andresults were described descriptively.Results: During the study period, 96 samples were obtained with 48 data pre-ASP and 48 data post-ASP. The results of the qualitative analysis usingthe Gyssens method show an increase in the prudent use of antibiotics from 31.25% to 62.5% pre-post ASP, respectively. Quantitative evaluationshows a decrease of antibiotic use pre-post ASP from 90.84 DDD/100 patients-days to 61.42 DDD/100 patients-days.Conclusion: The ASP can improve the quality of antibiotic use in pneumonia patients quantitatively and qualitatively.


2021 ◽  
Vol 8 (Supplement_1) ◽  
pp. S143-S143
Author(s):  
José P Díaz-Madriz ◽  
Esteban Zavaleta-Monestel ◽  
Jorge A Villalobos-Madriz ◽  
Alison V Meléndez-Alfaro ◽  
Priscilla Castrillo-Portillo ◽  
...  

Abstract Background In a private hospital without restrictions on antibiotic prescription, the success of an Antimicrobial Stewardship Program (ASP) depends mainly on prospective feedback and education. Previously, the ASP of this hospital (PROA-HCB) managed to achieve a positive impact on the antibiotic prophylaxis in cesarean delivery. The purpose of this study is to characterize the impact after implementing the PROA-HCB on the optimal prophylaxis selection of all the procedures included in the clinical guideline for surgical antibiotic prophylaxis in adult patients. Methods A retrospective observational study that compares the selection, duration, antibiotic consumption, bacterial resistance profiles and patient’s safety outcomes regarding antibiotic use for all surgical prophylaxis prescription over six months for the periods before (pre-ASP) and after a five-year intervention of PROA-HCB (post-ASP). Results After a five-year intervention, the percentage of optimal selection of antibiotic prophylaxis in Surgery was 21.0% (N=1598) in the pre-ASP period and 80.0% (N=841) in the post-ASP period (59% absolute improvement, p &lt; 0.001). Percentage of optimal duration was 69,1% (N=1598) in the pre-ASP period and 78.0% (N=841) in the post-ASP period (8.9% absolute improvement, p &lt; 0.001). Mean ceftriaxone utilization was 217.7 defined daily doses (DDD) per 1,000 patient days DDD for the pre-ASP period and 139.8 DDD per 1,000 patient days for the ASP period (35.8% decrease; p = 0.019). Mean cefazolin utilization was 14.9 DDD per 1,000 patient days for the pre-ASP period and 153.3 DDD per 1,000 patient days for the ASP period (928.6% increase; p = 0.021). Regarding percentage of bacterial resistance, there was detected an improvement in some isolates like Escherichia coli with a decrease of ESBL detection (11% decrease; p = 0.007). In addition, no serious adverse reactions or an increase in surgical site infections were detected after the intervention. Conclusion The implementation of an ASP in the surgical ward showed an overall positive impact on selection and duration of antibiotic prophylaxis. Furthermore, this intervention could have had a positive impact on antimicrobial resistance and at the same time had no negative effects on the patients. Disclosures All Authors: No reported disclosures


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