Prevalence and predictors of oral to intravenous antibiotic switch among adult emergency department patients with acute bacterial skin and skin structure infections: a pilot, prospective cohort study
Objective To determine the prevalence and predictors of oral to intravenous antibiotic switch among adult emergency department (ED) patients with acute bacterial skin and skin structure infections (ABSSSIs).Design Multicentre, pilot cohort study.Setting Three urban EDs in Dublin, Ireland.Participant...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2020-08-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/10/8/e034057.full |
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| Summary: | Objective To determine the prevalence and predictors of oral to intravenous antibiotic switch among adult emergency department (ED) patients with acute bacterial skin and skin structure infections (ABSSSIs).Design Multicentre, pilot cohort study.Setting Three urban EDs in Dublin, Ireland.Participants Consecutive ED patients aged >16 years old with ABSSSIs between March 2015 and September 2016.Intervention Oral flucloxacillin 500 mg–1 g four times a day (alternative in penicillin allergy).Primary and secondary outcome measures The primary outcome was to determine the prevalence and predictors of oral to intravenous antibiotic switch. Secondary outcomes were to determine the prevalence and predictors of receiving an extended course of oral antibiotic treatment and measurement of interobserver reliability for clinical predictors at enrolment.Results Overall, 159 patients were enrolled of which eight were lost to follow-up and five were excluded. The majority of patients were male (65.1%) and <50 years of age (58.2%). Oral to intravenous antibiotic switch occurred in 13 patients (8.9%; 95% CI 4.8% to 14.7%). Increased lesion size (OR 1.74; 95% CI 1.09 to 2.79), white cell count (OR 1.32; 95% CI 1.05 to 1.67), athlete’s foot (OR 8.00; 95% CI 2.31 to 27.71) and fungal nail infections (OR 7.25; 95% CI 1.99 to 26.35) were associated with oral to intravenous antibiotic switch. 24.8% (95% CI 18.1% to 33.0%) of patients received an extended course of oral antibiotic treatment.Conclusion The prevalence of oral to intravenous antibiotic switch in this pilot study is 8.9% (95% CI 4.8% to 14.7%). We identify the predictors of oral to intravenous switch worthy of future investigation.Trial registration number NCT02230813. |
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| ISSN: | 2044-6055 |