scholarly journals 1998. Impact of Rapid Blood Culture Identification with Real-Time Antimicrobial Stewardship (ASP) in Patients with Staphylococcus aureus (S. aureus) and Enterococcus spp. Bacteremia at a Large Academic Medical Center

2019 ◽  
Vol 6 (Supplement_2) ◽  
pp. S670-S670
Author(s):  
Hannah Ryan Russo ◽  
Kady Phe ◽  
Mayar Al Mohajer ◽  
Jessica Hirase
Keyword(s):  
Blood Culture ◽  
Real Time ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Intervention Group ◽  
Active Therapy ◽  
Post Intervention ◽  
Optimal Therapy ◽  
Enterococcus Spp ◽  
Culture Identification

Abstract Background The initiation of appropriate antimicrobial therapy is dependent on timely identification of the pathogen. FilmArray Blood Culture Identification Panel (BCID) is a rapid, multiplex polymerase chain reaction (PCR) panel that identifies 24 pathogens and 3 antibiotic resistance genes associated with bloodstream infections within 1 hour of growth. The purpose of this study was to compare the clinical impact of rapid BCID testing vs. standard blood culture processing, both coupled with real-time ASP, in patients with S. aureus and Enterococcus spp. bacteremia. Methods This was a single-center, retrospective chart review conducted as a pre-post intervention quasi-experimental study. The pre-intervention group included adult patients with S.aureus and Enterococcus spp. bacteremia identified by standard blood culture processing (PRE) and the post-intervention group included those identified by rapid BCID testing (POST). The primary endpoint was time in hours from positive Gram stain to initiation of optimal antimicrobial therapy [defined as vancomycin (VAN), linezolid (LZD), daptomycin (DAP), or ceftaroline for methicillin-resistant S. aureus (MRSA); nafcillin or cefazolin for methicillin-susceptible S. aureus (MSSA); DAP or LZD for VAN-resistant Enterococcus (VRE); VAN or ampicillin (if susceptible) for VAN-susceptible Enterococcus (VSE)]. Secondary endpoints included time to active therapy (defined as an antimicrobial to which the organism was susceptible), time to identification of pathogen, length of hospital stay (LOS) after positive culture, and 30-day mortality. Results 132 patients were included. Mean time to optimal therapy decreased from 21.4 hours PRE to 10.7 hours POST (P = 0.048). Time to optimal therapy was shorter POST for MSSA [59.2 hours PRE vs. 25.8 hours POST (P < 0.001)] and VRE bacteremia [24.6 hours PRE vs. 5.6 hours POST (P = 0.005)]. Time to identification of pathogen decreased from 75.6 hours PRE to 2.7 hours POST (P < 0.001). Groups did not differ in time to active therapy, LOS, nor 30-day mortality. Conclusion Antimicrobial Stewardship coupled with rapid BCID testing significantly decreased time to pathogen identification as well as time to optimal therapy in patients with S. aureus and Enterococcus spp. bacteremia, most notably for MSSA and VRE. Disclosures All authors: No reported disclosures.

scholarly journals 49. Impact of a Rapid Genotypic Platform for Gram-negative Bloodstream Infections, Paired with an Antimicrobial Stewardship Intervention, on Time to Optimal Antimicrobial Therapy

2021 ◽  
Vol 8 (Supplement_1) ◽  
pp. S145-S145
Author(s):  
Madison Donnelly ◽  
Jennifer Walls ◽  
Katlyn Wood ◽  
Aiman Bandali
Keyword(s):  
Length Of Stay ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Intervention Group ◽  
Bloodstream Infections ◽  
Post Intervention ◽  
Gram Negative ◽  
E Coli ◽  
Optimal Therapy ◽  
The Impact

Abstract Background Gram-negative bacteremia is associated with significant morbidity and mortality. Development of an algorithm for antimicrobial selection, using institution-specific antibiogram data and rapid diagnostics (RDT), achieves timely and appropriate antimicrobial therapy. The objective of this study is to assess the impact of a pharmacy-driven antimicrobial stewardship initiative in conjunction with ePlex® BCID on time to optimal antimicrobial therapy for patients with gram-negative bloodstream infections. Methods This retrospective, observational, single-center study included adult patients with a documented gram-negative bloodstream infection in whom the ePlex® BCID was employed. A pharmacist-driven antimicrobial stewardship intervention was initiated on December 1, 2020; pre-intervention (December 2019 – March 2020) was compared to the post-intervention (December 2020 – February 2020) period. The following organisms were included: Citrobacter spp., Escherichia coli, Klebsiella aerogenes/pneumoniae/oxytoca, Proteus spp, Enterobacter spp., Pseudomonas aeruginosa, and Acinetobacter baumannii. Polymicrobial bloodstream infections or those who had an ePlex® panel performed prior to admission were excluded. The following clinical outcomes were assessed: time to optimal antimicrobial therapy, length of stay (LOS), and inpatient-30-day mortality. Results One hundred and sixty-three met criteria for inclusion; 98 patients in the pre-intervention group and 65 patients in the post-intervention group. The mean Pitt Bacteremia Score was 1 in both groups (p=0.741). The most common organism identified by ePlex® BCID was E. coli (65.3% vs 70.8%; p=0.676). Eight E. Coli isolates were CTX-M positive; no other gene targets were detected. The most common suspected source of bacteremia was genitourinary (72.5% vs 72.3%; p=1.0). Time to optimal therapy was reduced by 29 hours [37 (31 – 55) vs. 8 (4 – 28); p=0.048). Length of stay and mortality was similar between groups. Conclusion Implementation of a rapid blood culture identification panel along with an antimicrobial stewardship intervention significantly reduced time to optimal therapy. Further studies are warranted to confirm these results. Disclosures All Authors: No reported disclosures

scholarly journals Comparison of Pharmacist-Directed Management of Multiplex PCR Blood Culture Results with Conventional Microbiology Methods on Effective and Optimal Therapy within a Community Hospital

2018 ◽  
Vol 63 (1) ◽  
Author(s):  
Allison M. Porter ◽  
Christopher M. Bland ◽  
Henry N. Young ◽  
David R. Allen ◽  
Sabrina R. Croft ◽  
...  
Keyword(s):  
Blood Culture ◽  
Multiplex Pcr ◽  
Positive Blood Culture ◽  
Antimicrobial Therapy ◽  
Community Hospital ◽  
Intervention Group ◽  
Standard Of Care ◽  
Pharmacist Intervention ◽  
Coagulase Negative Staphylococcus ◽  
Optimal Therapy

ABSTRACT Multiplex PCR combined with a pharmacist-driven reporting protocol was compared to the standard of care within a community hospital to evaluate initial changes after notification of a positive blood culture. The intervention group demonstrated decreased times to changes in antimicrobial therapy (P = 0.0081), increased changes to optimal antimicrobial therapy (P = 0.013), and decreased vancomycin use for coagulase-negative staphylococcus contaminants (P < 0.01) with multiplex PCR implementation and pharmacist intervention.

Impact of a Rapid Blood Culture Diagnostic Panel on Time to Optimal Antimicrobial Therapy at a Veterans Affairs Medical Center

2021 ◽  
pp. 089719002110006
Author(s):  
Jordan M. Chiasson ◽  
Winter J. Smith ◽  
Tomasz Z. Jodlowski ◽  
Marcus A. Kouma ◽  
James B. Cutrell
Keyword(s):  
Blood Culture ◽  
Antimicrobial Stewardship ◽  
Medical Center ◽  
Diagnostic Testing ◽  
Bloodstream Infections ◽  
Rapid Diagnostics ◽  
Post Intervention ◽  
Optimal Therapy ◽  
Stewardship Program ◽  
Days Of Therapy

Purpose: Utilization of rapid diagnostic testing alongside intensive antimicrobial stewardship interventions improves patient outcomes. We sought to determine the clinical impact of a rapid blood culture identification (BCID) panel in an established Antimicrobial Stewardship Program (ASP) with limited personnel resources. Methods: A single center retrospective pre- and post-intervention cohort study was performed following the implementation of a BCID panel on patients admitted with at least 1 positive blood culture during the study period. The primary outcome was time to optimal therapy from blood culture collection. Secondary outcomes included days of therapy (DOT), length of stay, and 30-day mortality and readmission rates. Results: 277 patients were screened with 180 patients included, with 82 patients in the pre-BCID and 98 in the post-BCID arms. Median time to optimal therapy was 73.8 hours (IQR; 1.1-79.6) in the pre-BCID arm and 34.7 hours (IQR; 10.9-71.6) in the post-BCID arm (p ≤ 0.001). Median DOT for vancomycin was 4 and 3 days (p ≤ 0.001), and for piperacillin-tazobactam was 3.5 and 2 days (p ≤ 0.007), for the pre-BCID and post-BCID arms, respectively. Median length of hospitalization was decreased from 11 to 9 days (p = 0.031). No significant change in 30-day readmission rate was noted, with a trend toward lower mortality (12% vs 5%; p = 0.086). Conclusion: Introduction of BCID into the daily workflow resulted in a significant reduction in time to optimal therapy for bloodstream infections and DOT for select broad-spectrum antibiotics, highlighting the potential benefits of rapid diagnostics even in settings with limited personnel resources.

scholarly journals Impact of a Multiplex PCR Assay for Bloodstream Infections With and Without Antimicrobial Stewardship Intervention at a Cancer Hospital

2018 ◽  
Vol 5 (10) ◽  
Author(s):  
Brian A Buss ◽  
Timothy J Baures ◽  
Minkyoung Yoo ◽  
Kimberly E Hanson ◽  
Donald P Alexander ◽  
...  
Keyword(s):  
Blood Culture ◽  
Multiplex Pcr ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Bloodstream Infections ◽  
Pcr Assay ◽  
Cancer Hospital ◽  
Multiplex Pcr Assay ◽  
Culture Identification ◽  
Reduced Time

Abstract Implementation of Biofire FilmArray Blood Culture Identification Multiplex PCR panel (BCID) at a cancer hospital was associated with reduced time to appropriate antimicrobial therapy. Additional reductions were not observed when BCID was coupled with antimicrobial stewardship intervention.

scholarly journals 643. Evaluation of Rapid Blood Pathogen Identification Along with Antimicrobial Stewardship at an Academic Teaching Institution

2021 ◽  
Vol 8 (Supplement_1) ◽  
pp. S423-S424
Author(s):  
Sharon Blum ◽  
Terrence McSweeney ◽  
Samad Tirmizi ◽  
brian Auditore ◽  
Diane Johnson ◽  
...  
Keyword(s):  
Blood Culture ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Cost Savings ◽  
Bloodstream Infections ◽  
Rapid Diagnostics ◽  
Optimal Therapy ◽  
Pertinent Data ◽  
Diagnostic Technologies ◽  
Mean Time

Abstract Background Bloodstream infections are a major cause of morbidity and mortality in hospitalized patients. Prompt initiation of effective antimicrobials are essential to optimize patient outcomes. New diagnostic technologies rapidly identifying bacteria, viruses, fungi, and parasites in infections of various body sites. There is a paucity of literature determining if stewardship programs run by one trained pharmacist with rapid diagnostics decreases time to optimal antimicrobial therapy. Methods This was a retrospective chart review of positive bloodstream infections identified via rapid diagnostic technologies. The EHR of admitted adult patients with positive BSI identified by BioFire FilmArray Blood Culture Identification (BCID) Panel™ or Accelerate PhenoTest Blood Culture kit™2 between January 2018 – July 2019 were evaluated and pertinent data was collected. Results Rapid diagnostic technologies identified 108 bloodstream infections due to gram positive, 56 due to gram negative, and 6 due to Candida organisms. Mean time to optimal antimicrobial therapy was significantly lower when pharmacist recommendation was accepted versus when primary care team consulted ID for recommendation or did not accept pharmacist recommendation. Mean time to optimal therapy was 14.7, 34.3, and 271.3 hours (p&lt; 0.0001) respectively. Median total cost of visit per patient, calculated using the average wholesale price of antibiotics multiplied by the number of doses received, was significantly lower when pharmacist recommendations were accepted (&86.40, &147.95, and &239.41, respectively). Baseline characteristics Microbiological isolates Primary Outcome: Time to Optimal Therapy Conclusion The establishment of a pharmacist run antimicrobial stewardship program in conjunction with rapid diagnostic tools for identifying bacteremia led to a decrease in time to optimal antimicrobial therapy and cost savings. Introduction of similar services at community hospitals with limited ASP staffing is justified. Larger studies to further investigate whether ASP partnered with rapid diagnostics have an impact on patient-related outcomes such as mortality and length of stay is warrented. Secondary outcomes Missed cost savings Disclosures All Authors: No reported disclosures

scholarly journals 110. Impact of Diagnostic and Antimicrobial Stewardship on Time-to-Appropriate Therapy and Clinical Outcomes in Multi-Drug Resistant Pseudomonas Infections

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S69-S70
Author(s):  
Katie A McCrink ◽  
Kailynn DeRonde ◽  
Adriana Jimenez ◽  
Gemma Rosello ◽  
Yoichiro Natori ◽  
...  
Keyword(s):  
Clinical Outcomes ◽  
Antimicrobial Stewardship ◽  
Patient Survival ◽  
Intervention Group ◽  
Culture Collection ◽  
Drug Resistant ◽  
Intervention Period ◽  
Post Intervention ◽  
Appropriate Therapy ◽  
Post Intervention Group

Abstract Background Timely effective therapy in multi-drug resistant (MDR) Pseudomonas (PsA) infections has a direct impact on patient survival. We aimed to determine the impact of diagnostic and antimicrobial stewardship (AMS) on time-to-appropriate therapy (TAP) and clinical outcomes of patients with MDR PsA infections utilizing novel beta-lactam/beta-lactamase inhibitors (BL/BLIs). Methods Retrospective cohort study of adult patients with MDR PsA infections at a 1,500-bed University-affiliated public hospital in Miami, Florida who received ≥72 hours of ceftazidime-avibactam (C/A) or ceftolozane-tazobactam (C/T). During the pre-intervention period (12/2017-12/2018), additional susceptibilities for C/A and C/T were performed upon providers’ request. In the post intervention period (01/2019 – 12/2019), we implemented automatic reflex algorithms (Figure 1) for faster identification and susceptibilities for MDR PsA, including carbapenemase producers. Results were communicated in real-time to the AMS team. Figure 1. Reflex Testing Algorithm for MDR Pseudomonas Isolates from Any Source Results Seventy-six patients were included; median age was 56 years (IQR 37.5–67.0), 40 (52.6%) were in an intensive care unit at time of culture collection; median APACHE II score was 20 (IQR 15.0 – 26.0). Three isolates were carbapenemase producers (VIM = 2; KPC = 1). The most common infections were pneumonia (56.6%) and bacteremia (18.4%). We found a significant decrease in median TAP (120.1 [IQR 82.5–164.6] vs 75.9 [IQR 51.3–101.7] hours, p = 0.003). Median time from culture collection to final susceptibility results was shorter in the post-intervention group (122.2 vs 90.5 hours; p &lt; 0.001). Median length-of-stay after culture collection was numerically lower in the post-intervention group (26.0 [11.6–59.4] vs 19.7 [12.9–37.8] days; p = 0.33). Controlling for ICU admission, our intervention was not associated with decreased 30-day inpatient mortality (OR = 1.62, 95% CI 0.45–5.79). Conclusion Our study identified an improvement in TAP in MDR PsA infections with implementation of diagnostic and AMS initiatives. In an adequately powered study, our intervention could potentially impact patient survival through timely initiation of effective therapy with novel BL/BLIs. Disclosures All Authors: No reported disclosures

scholarly journals Predictors of Time to Effective and Optimal Antimicrobial Therapy in Patients With Positive Blood Cultures Identified via Molecular Rapid Diagnostic Testing

2018 ◽  
Vol 6 (1) ◽  
Author(s):  
Maya Beganovic ◽  
Tristan T Timbrook ◽  
Sarah M Wieczorkiewicz
Keyword(s):  
Patient Outcomes ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Diagnostic Tests ◽  
Diagnostic Testing ◽  
Rapid Diagnostic Tests ◽  
Blood Cultures ◽  
Effective Therapy ◽  
Rapid Diagnostic Testing ◽  
Optimal Therapy

Abstract Antimicrobial stewardship (AMS) programs integrated with rapid diagnostic tests optimize patient outcomes and reduce time to effective therapy (TTET) and time to optimal therapy (TTOT). This study identifies predictors of TTET and TTOT among patients with positive blood cultures and identifies limitations to current TTOT definitions and outcomes.

scholarly journals Impact of Antimicrobial Stewardship Interventions on Antimicrobial Utilization in Asymptomatic Bacteriuria

2019 ◽  
pp. 001857871988891 ◽  
Author(s):  
Punit J. Shah ◽  
Chiamaka Ike ◽  
Meghan Thibeaux ◽  
Emilyn Rodriguez ◽  
Shermel-Edwards Maddox ◽  
...  
Keyword(s):  
Real Time ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Asymptomatic Bacteriuria ◽  
Control Phase ◽  
Clinical Pharmacists ◽  
Antimicrobial Utilization ◽  
Positive Urine ◽  
Interdisciplinary Interventions ◽  
The Impact

Background: Antimicrobial therapy for asymptomatic bacteriuria (ASB) is often unnecessary and is a common reason for inappropriate antimicrobial use in hospitalized patients. Unnecessary ASB treatment leads to collateral damage such as resistance, and Clostridium difficile infections. This study evaluated the impact of interdisciplinary antimicrobial stewardship interventions on antimicrobial utilization in ASB. Methods: This was a quasi-experimental institutional review board (IRB)-approved study evaluating the impact of antimicrobial stewardship on antibiotic utilization for ASB in a pilot medical-surgical unit. The control phase was from August-October 2017 and the postintervention phase was from December-March 2018. In the control phase, electronic medical records of patients with positive urine cultures were retrospectively reviewed. Patients were classified as either having ASB or urinary tract infection (UTI) based on the absence or presence of UTI symptoms documented in the medical record. The intervention phase consisted of educational in-services to providers, nurses, and pharmacists. Clinical pharmacists for the pilot unit utilized an electronic real-time surveillance system to identify patients with positive urine cultures. With nurses’ collaboration, clinical pharmacists classified these patients as either having UTI or ASB. Stewardship interventions were made in real-time to discontinue antibiotics in patients with ASB. Results: There were 65 and 77 patients with bacteriuria in the pre- and postintervention phases. Among these, ASB was present in 29 (45%) and 27 (35%) patients, respectively. After excluding those receiving antibiotics for concurrent nonurinary indications, the combination of education with pharmacist and nursing interventions decreased unnecessary ASB treatment from 18 (62%) to 6 (22%) patients (relative risk: 0.36, 95% confidence interval: 0.16-0.72, P = .003). Conclusion: The findings of this study highlight the importance of interdisciplinary interventions in reducing unnecessary antimicrobial therapy for the treatment of ASB. With increasing antimicrobial resistance, healthcare institutions should evaluate the role of these interdisciplinary interventions to reduce unnecessary treatment for ASB.

scholarly journals P32 An audit to assess the suitability of patients at a tertiary/quaternary paediatric hospital to switch from intravenous (IV) to oral (PO) antimicrobial therapy

2020 ◽  
Vol 105 (9) ◽  
pp. e23.1-e23
Author(s):  
Orlagh McGarrity ◽  
Aliya Pabani
Keyword(s):  
High Risk ◽  
Antimicrobial Resistance ◽  
Blood Culture ◽  
Antimicrobial Stewardship ◽  
Antimicrobial Therapy ◽  
Blood Cultures ◽  
Antimicrobial Use ◽  
List Type ◽  
Paediatric Hospital ◽  
Oral Agents

Introduction, Aims and ObjectivesIn 2011 the Start Smart then Focus campaign was launched by Public Health England (PHE) to combat antimicrobial resistance.1 The ‘focus’ element refers to the antimicrobial review at 48–72 hours, when a decision and documentation regarding infection management should be made. [OM1] At this tertiary/quaternary paediatric hospital we treat, immunocompromised, high risk patients. In a recent audit it was identified that 80% of antimicrobial use is IV, this may be due to several factors including good central access, centrally prepared IV therapy and oral agents being challenging to administer to children. The aim of the audit was to assess if patient have a blood culture prior to starting therapy, have a senior review at 48–72 hours, and thirdly if our high proportion of intravenous antimicrobial use is justified.MethodElectronic prescribing data from JAC was collected retrospectively over an 8 day period. IV antimicrobials for which there is a suitable oral alternative, this was defined as >80% bioavailability, were included. Patients were excluded in the ICU, cancer and transplant setting, those with absorption issues and with a high risk infection, such as endocarditis or bacteraemia. Patient were assessed against a set criteria to determine if they were eligible to switch from IV to PO therapy; afebrile, stable blood pressure, heart rate <90/min, respiratory rate < 20/min for 24 hours. Reducing CRP, reducing white cell count, blood cultures negative or sensitive to an antibiotic that can be given orally.Results100% of patients (11) had a blood cultures taken within 72 hours of starting therapy55% of patients had a positive blood culture82% of patients had a senior review at 48–72 hours46% of patients were eligible to switch from IV to PO therapy at 72 hours33% of eligible patients were switched from IV to PO therapy at 72 hoursConclusion and RecommendationsThis audit had a low sample size due to the complexity of the inclusion and exclusion criteria, and the difficulty in reviewing patient parameters on many different hospital interfaces. It is known that each patient is reviewed at least 24 hourly on most wards and therefore there is a need for improved documentation of prescribing decisions. Implementation of an IV to oral switch guideline is recommended to support prescribing decisions and educate and reassure clinicians on the bioavailability and benefits of PO antimicrobial therapy where appropriate. Having recently changed electronic patient management systems strategies to explore include hard stops on IV antimicrobial therapies, however this will require much consideration. Education of pharmacist and nurses is required to raise awareness about antimicrobial resistance and the benefits of IV to PO switches, despite the ease of this therapy at out Trust. This will promote a culture in which all healthcare professionals are active antimicrobial guardians, leading to better patient outcomes, less service pressures, and long term financial benefit.ReferenceGOV.UK. 2019. Antimicrobial stewardship: Start smart - then focus. [ONLINE]Available at: https://www.gov.uk/government/publications/antimicrobial-stewardship-start-smart-then-focus [Accessed 3 July 2019]

scholarly journals 102. Effects of an Antimicrobial Stewardship-guided MRSA Nasal Screening Review on Vancomycin Utilization for Respiratory Infections: A Quasi-Experimental Study

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S65-S65
Author(s):  
Ross Pineda ◽  
Meganne Kanatani ◽  
Jaime Deville
Keyword(s):  
Antimicrobial Stewardship ◽  
Respiratory Infections ◽  
Intervention Group ◽  
Small Sample ◽  
Post Intervention ◽  
Predictive Values ◽  
Days Of Therapy ◽  
Significant Difference ◽  
Quasi Experimental ◽  
The Impact

Abstract Background Methicillin-resistant Staphylococcus aureus (MRSA) remains a significant pathogen in patients with respiratory infections. Guidelines recommend empiric MRSA coverage in patients at increased risk, resulting in substantial vancomycin use. Recent literature highlights the use of MRSA nasal assays as a rapid screening tool for MRSA pneumonia, demonstrating high negative predictive values and allowing for shorter empiric coverage. We aimed to evaluate the impact of MRSA nasal screening review by the antimicrobial stewardship program (ASP) on vancomycin utilization for respiratory infections. Methods This was a retrospective, quasi-experimental, pre-post intervention study. The intervention saw the addition of an MRSA screening review tool into the ASP electronic record, highlighting patients on vancomycin (actively or recently administered) with a negative MRSA screening. Vancomycin days of therapy (DOT) was collected for all orders indicated for a respiratory infection in the two weeks following a negative screening. Additional outcomes include vancomycin total dose and DOT per 1,000 patient days. Outcomes were compared via independent samples t-tests. Results 1,110 MRSA screenings resulted across 2 months, of which the majority were excluded for either not having vancomycin ordered, or for having vancomycin ordered for a non-respiratory indication, leaving 37 and 35 evaluable screenings in the pre- and post-intervention groups, respectively. Regarding vancomycin DOT, we did not identify a significant difference between pre- and post-intervention groups with respective means of 2.45 (SD=1.52) and 2.14 (SD=1.12) (p=0.35). We identified a total 8.78 vancomycin DOT per 1,000 patient days in the pre-intervention group versus 6.69 in the post-intervention group. Conclusion ASP-guided review of MRSA screenings was associated with a nonsignificant decrease in mean vancomycin DOT and lower total DOT per 1,000 patient days for respiratory infections following a negative screen. Given the recent implementation of our intervention, our analysis covered a small sample size, highlighting the need for continued data collection. MRSA screenings are not always fully or immediately utilized in our institution, demonstrating room to de-escalate MRSA-targeted antibiotics. Disclosures All Authors: No reported disclosures

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