Deanna J Buehrle1, Nathan R Shively2, Marilyn M Wagener3, Cornelius J Clancy1,3, Brooke K Decker1. 1. Infectious Diseases Section, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA. 2. Division of Infectious Diseases, Allegheny Health Network, Pittsburgh, Pennsylvania, USA. 3. Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
Abstract
BACKGROUND: Most antibiotic prescribing is in outpatient settings. However, antibiotic stewardship has focused overwhelmingly on hospitalized patients. In a few studies, behavioral interventions decreased unnecessary outpatient prescribing against acute respiratory infections, but data are conflicting on sustained benefits after intervention discontinuation. METHODS: We conducted a prospective, observational study in 7 primary care clinics, in which an intervention comprised of clinician education, peer comparisons, and computer decision support order sets was directed against all antibiotic prescribing. After 6 months, peer comparisons were discontinued. Antibiotic prescribing was compared in the baseline (January-June 2016), intervention (January-June 2017), and postintervention (January-June 2018) periods. RESULTS: Mean antibiotic prescriptions significantly decreased from 76.9 (baseline) to 49.5 (intervention) and 56.3 (postintervention) per 1000 visits (35.6% and 26.8% reductions, respectively; P values < .001). The rate of unnecessary antibiotic prescribing (ie, antibiotic not indicated) decreased from 58.8% (baseline) to 37.8% (intervention) and 44.3% (postintervention) (35.7% and 24.7% decreases, respectively; P = .001 and P = .01). Overall, 19.9% (27/136), 36.6% (66/180), and 34.9% (67/192) of antibiotics were prescribed optimally (ie, antibiotics were indicated, and a guideline-concordant agent was prescribed for guideline-concordant duration) during the baseline, intervention, and postintervention periods, respectively (baseline vs intervention and postintervention, P = .001 and P = .003, respectively). Differences between intervention and postintervention periods in overall, unnecessary, or optimal antibiotic prescribing were not significant. CONCLUSIONS: A multifaceted outpatient stewardship intervention achieved reductions in overall, unnecessary, and suboptimal antibiotic prescription rates, which were sustained for a year after components of the intervention were discontinued. There is opportunity for further improvement, as inappropriate and suboptimal prescribing remained common. Published by Oxford University Press for the Infectious Diseases Society of America 2019.
BACKGROUND: Most antibiotic prescribing is in outpatient settings. However, antibiotic stewardship has focused overwhelmingly on hospitalized patients. In a few studies, behavioral interventions decreased unnecessary outpatient prescribing against acute respiratory infections, but data are conflicting on sustained benefits after intervention discontinuation. METHODS: We conducted a prospective, observational study in 7 primary care clinics, in which an intervention comprised of clinician education, peer comparisons, and computer decision support order sets was directed against all antibiotic prescribing. After 6 months, peer comparisons were discontinued. Antibiotic prescribing was compared in the baseline (January-June 2016), intervention (January-June 2017), and postintervention (January-June 2018) periods. RESULTS: Mean antibiotic prescriptions significantly decreased from 76.9 (baseline) to 49.5 (intervention) and 56.3 (postintervention) per 1000 visits (35.6% and 26.8% reductions, respectively; P values < .001). The rate of unnecessary antibiotic prescribing (ie, antibiotic not indicated) decreased from 58.8% (baseline) to 37.8% (intervention) and 44.3% (postintervention) (35.7% and 24.7% decreases, respectively; P = .001 and P = .01). Overall, 19.9% (27/136), 36.6% (66/180), and 34.9% (67/192) of antibiotics were prescribed optimally (ie, antibiotics were indicated, and a guideline-concordant agent was prescribed for guideline-concordant duration) during the baseline, intervention, and postintervention periods, respectively (baseline vs intervention and postintervention, P = .001 and P = .003, respectively). Differences between intervention and postintervention periods in overall, unnecessary, or optimal antibiotic prescribing were not significant. CONCLUSIONS: A multifaceted outpatient stewardship intervention achieved reductions in overall, unnecessary, and suboptimal antibiotic prescription rates, which were sustained for a year after components of the intervention were discontinued. There is opportunity for further improvement, as inappropriate and suboptimal prescribing remained common. Published by Oxford University Press for the Infectious Diseases Society of America 2019.
Entities:
Keywords:
antimicrobial stewardship; outpatient; peer comparison; primary care
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