The MITIGATE toolkit was developed to assist urgent care and emergency departments in the development of antimicrobial stewardship programs. At the University of Washington, we adopted the MITIGATE toolkit in 10 urgent care centers, 9 primary care clinics, and 1 emergency department. We encountered and overcame challenges: a complex data build, choosing feasible outcomes to measure, issues with accurate coding, and maintaining positive stewardship relationships. Herein, we discuss solutions to challenges we encountered to provide guidance for those considering using this toolkit.
Background Between 15–50% of patients seen in ambulatory settings are prescribed an antibiotic. At least one third of this usage is considered unnecessary. In 2019, our institution implemented the MITIGATE Toolkit, endorsed by the Centers for Disease Control and Prevention to reduce inappropriate antibiotic prescribing for viral respiratory infections in emergency and urgent care settings. In February 2020 we identified our first hospitalized patient with SARS-CoV(2). In March, efforts to limit person-to-person contact led to shelter in place orders and substantial reorganization of our healthcare system. During this time we continued to track rates of unnecessary antibiotic prescribing. Methods This was a single center observational study. Electronic medical record data were accessed to determine antibiotic prescribing and diagnosis codes. We provided monthly individual feedback to urgent care prescribers, (Sep 2019-Mar 2020), primary care, and ED providers (Jan 2020 – Mar 2020) notifying them of their specific rate of unnecessary antibiotic prescribing and labeling them as a top performer or not a top performer compared to their peers. The primary outcome was rate of inappropriate antibiotic prescribing. Results Pre toolkit intervention, 14,398 patient visits met MITIGATE inclusion criteria and 12% received an antibiotic unnecessarily in Jan-April 2019. Post-toolkit intervention, 12,328 patient visits met inclusion criteria and 7% received an antibiotic unnecessarily in Jan-April 2020. In April 2020, patient visits dropped to 10–50% of what they were in March 2020 and April 2019. During this time the unnecessary antibiotic prescribing rate doubled in urgent care to 7.8% from 3.6% the previous month and stayed stable in primary care and the ED at 3.2% and 11.8% respectively in April compared to 4.6% and 10.4% in the previous month. Conclusion Rates of inappropriate antibiotic prescribing were reduced nearly in half from 2019 to 2020 across 3 ambulatory care settings. The increase in prescribing in April seen in urgent care and after providers stopped receiving their monthly feedback is concerning. Many factors may have contributed to this increase, but it raises concerns for increased inappropriate antibacterial usage as a side effect of the SARS-CoV(2) pandemic. Disclosures All Authors: No reported disclosures
We compared experiences with The Multifaceted Intervention to Improve Prescribing for Acute Respiratory Infection for Adult and Children in Emergency Department and Urgent Care Settings versus Choosing Wisely to evaluate inappropriate antimicrobial prescribing in ambulatory care. Both identified the same clinics, diagnoses, and antibiotics for high-yield antibiotic stewardship interventions.
BackgroundBetween 15–50% of patients seen in ambulatory settings are prescribed an antibiotic. At least one-third of this usage is considered unnecessary. Multiple tools have emerged to evaluate antibiotic prescribing in ambulatory settings. The toolkits, MITIGATE and Choosing Wisely, have been funded by the Centers for Disease Control and Prevention and promoted by the American Board of Internal Medicine, respectively, but use different reporting criteria. Notably, the target rate of antibiotic prescribing in the MITIGATE framework is zero, whereas the target rate for Choosing Wisely is not zero because it includes diagnoses for which an antibiotic may be appropriate. We compared both to evaluate prescribing in primary care and specialty clinics, urgent care, and the emergency department.MethodsThis was a single-center observational study. Electronic medical record data were accessed to determine antibiotic prescribing and diagnosis codes. The primary outcome was rate of inappropriate antibiotic prescribing overall and in each of the individual settings.ResultsBetween March 2018 and April 2019, 42,650 patient visits met MITIGATE inclusion criteria and 11% received an antibiotic unnecessarily. In the same time-period, 23,366 patient visits met Choosing Wisely inclusion criteria and 17% received an antibiotic unnecessarily. Within the MITIGATE framework, inappropriate prescribing was highest in the ED (17%), followed by primary care (12%), urgent care (10%), and specialty care (5%). Choosing Wisely, inappropriate prescribing was highest in primary care (23%), followed by urgent care (15%), and specialty care (8%). The ED was not included in the Choosing Wisely technical specifications. The top coded diagnosis in both frameworks was acute respiratory infection, unspecified.ConclusionRates of inappropriate antibiotic prescribing varied widely depending upon the toolkit used. Inappropriate antibiotic prescribing in primary care by Choosing Wisely framework was double that of MITIGATE. Careful consideration of the differences and goals of using these toolkits is needed both on the local level for individual provider feedback and more broadly, when comparing prescribing rates between institutions.Disclosures All authors: No reported disclosures.
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