'Once more, with feeling': no difference in outcomes between patients discharged on oral versus intravenous antibiotics for orthopedic infections in a propensity score matched cohort at a US medical center

Autor: Julie Gray, Russell J. Benefield, Chanah K. Gallagher, Heather Cummins, Laura K. Certain
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Antimicrobial Stewardship & Healthcare Epidemiology, Vol 4 (2024)
Druh dokumentu: article
ISSN: 2732-494X
56031203
DOI: 10.1017/ash.2024.57
Popis: Abstract Objective: To compare outcomes between patients discharged on intravenous (IV) versus oral (PO) antibiotics for the treatment of orthopedic infections, after creation of an IV-to-PO guideline, at a single academic medical center in the United States. Methods: This was a retrospective, propensity score matched, cohort study of adult patients hospitalized for orthopedic infections from September 30, 2020, to April 30, 2022. Patients discharged on PO antibiotics were matched to patients discharged on IV antibiotics. The primary outcome was one-year treatment failure following discharge. Secondary outcomes were incidence of 60-day treatment failure, adverse drug events (ADE), readmissions, infectious disease clinic “no-show” rates, and emergency department (ED) encounters. Results: Ninety PO-treated patients were matched to 90 IV-treated patients. Baseline characteristics were similar in the two groups after matching. There was no significant difference in the proportions of patients on PO versus IV antibiotics experiencing treatment failure at one year (26% vs 31%, P = .47). There were no significant differences for any secondary outcomes: treatment failure within 60 days (13% vs 14%, P = 1.00), ADE (13% vs 11%, P = .82), unplanned readmission (17% vs 21%, P = .57), or ED encounters (9% vs 18%, P = .54). Survival analyses identified no significant differences in time-to-event between PO and IV treatment for any of the outcomes assessed. Conclusions: There were no appreciable differences in outcomes between patients discharged on PO compared to IV regimens. Antimicrobial stewardship interventions to increase prescribing of PO antibiotics for the treatment of orthopedic infections should be encouraged.
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