{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T09:02:57Z","timestamp":1790240577392,"version":"4.1.0"},"reference-count":73,"publisher":"Oxford University Press (OUP)","issue":"Supplement_2","license":[{"start":{"date-parts":[[2022,2,8]],"date-time":"2022-02-08T00:00:00Z","timestamp":1644278400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,5,24]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Purpose<\/jats:title>\n                  <jats:p>Current literature surrounding management of patients with reported \u03b2-lactam allergies focuses on allergy delabeling. Standard clinical decision support tools have not been optimized to be compatible with the currently accepted cross-reaction rate of 1% to 2%. This potentially promotes use of non\u2013\u03b2-lactam antibiotics, which are often not first-line therapy and may carry increased risks. The impact of electronic medical record (EMR) clinical decision support tool optimization on utilization of \u03b2-lactam antibiotics in \u03b2-lactam\u2013allergic patients was evaluated.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>A retrospective pre-post \u03b2-lactam cross-allergy EMR alert suppression quality improvement intervention cohort study of \u03b2-lactam\u2013allergic adult inpatients prescribed antibiotics was conducted. Preintervention baseline data were collected for an initial cohort admitted during September 2018. The intervention, in which clinical decision support rules were updated to display \u03b2-lactam cross-sensitivity allergy alerts only for \u03b2-lactam\u2013allergic patients with documentation of organization-defined high-severity reactions of anaphylaxis, hives, and shortness of breath, was implemented August 20, 2019. The postintervention cohort included patients admitted during September 2019.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>A 91% increase in the percentage of \u03b2-lactam\u2013allergic patients who received a \u03b2-lactam agent at any time during their admission was noted after the intervention (26.6% vs 51%, P &amp;lt; 0.001). Statistically significant decreases in prescribing of alternative antibiotic classes were seen for fluoroquinolones (decrease from 45.3% to 26%, P &amp;lt; 0.001), aminoglycosides (decrease from 9.4% to 2.9%, P = 0.002), and aztreonam (decrease from 30% to 16.7%, P &amp;lt; 0.001).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>EMR \u03b2-lactam cross-allergy alert optimization consistent with current literature significantly improved the utilization of alternative \u03b2-lactam subclasses, mostly through \u03b2-lactam prescribing as initial therapy in \u03b2-lactam\u2013allergic patients.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ajhp\/zxac040","type":"journal-article","created":{"date-parts":[[2022,2,9]],"date-time":"2022-02-09T04:42:40Z","timestamp":1644381760000},"page":"S43-S52","source":"Crossref","is-referenced-by-count":13,"title":["Promoting \u03b2-lactam utilization through suppression of electronic medical record cross-allergy alerts"],"prefix":"10.1093","volume":"79","author":[{"given":"Teryl S","family":"Boesch","sequence":"first","affiliation":[{"name":"Northwestern Medicine Palos Hospital, Palos Heights, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edward","family":"Eischen","sequence":"additional","affiliation":[{"name":"Northwestern Medicine Palos Hospital, Palos Heights, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amanda M","family":"Ries","sequence":"additional","affiliation":[{"name":"Northwestern Medicine Palos Hospital, Palos Heights, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Quinn","sequence":"additional","affiliation":[{"name":"Northwestern Medicine Palos Hospital, Palos Heights, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ankur","family":"Dave","sequence":"additional","affiliation":[{"name":"Northwestern Medicine Palos Hospital, Palos Heights, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David W","family":"Beezhold","sequence":"additional","affiliation":[{"name":"Northwestern Medicine Palos Hospital, Palos Heights, IL, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2022,2,8]]},"reference":[{"issue":"24","key":"2022052416570298000_CIT0001","doi-asserted-by":"crossref","first-page":"2338","DOI":"10.1056\/NEJMra1807761","article-title":"Penicillin allergy","volume":"381","author":"Castells","year":"2019","journal-title":"N Engl J Med."},{"issue":"2","key":"2022052416570298000_CIT0002","doi-asserted-by":"crossref","first-page":"273","DOI":"10.1111\/all.13848","article-title":"The challenge of de-labeling penicillin 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