TOPLINE:
Oral antibiotics may be a safe alternative to receiving prolonged intravenous (IV) antibiotics, according to a recent observational study published in JAMA Network Open.
METHODOLOGY:
Patients receiving antibiotics through an IV line risk developing a secondary infection; antibiotics received orally are considered safer.Researchers analyzed observational data from 914 adults with uncomplicated gram-negative bacteremia who received care in four hospitals in Denmark between 2018 and 2021.The outcomes of patients who were switched to oral antibiotics within 4 days after a positive blood culture were compared with those who continued to receive IV antibiotics for at least 5 days after the blood culture; participants in both groups received antibiotics for 7-14 days.Researchers assessed mortality rates over a 90-day window and used a target trial emulation method to conduct the study.
TAKEAWAY:
Overall, 14.3% of patients who received prolonged IV treatment died, compared with 6.9% in the oral antibiotics group.In an intention-to-treat analysis, patients who were switched to oral antibiotics had a 22% lower risk for death within 90 days of initiation of treatment (relative risk [RR], 0.78; 95% CI, 0.60-1.10).In a per-protocol analysis, patients who switched to the oral route had a 1% lower odds of dying within 90 days (RR, 0.99; 95% CI, 0.70-1.40).Individuals who were switched to oral antibiotic treatment were younger than those who continued to receive antibiotics via the IV route (median age, 73 vs 76 years, respectively), had fewer comorbidities (four vs five), and were more likely to have community-acquired gram-negative bacteremia (89.4% vs 80.9%).
IN PRACTICE:
“These findings suggest that the mortality associated with early antibiotic stepdown treatment is comparable to that associated with receiving prolonged IV antibiotic treatment for individuals with uncomplicated gram-negative bacteremia,” the authors of the study wrote.
SOURCE:
The study was led by Sandra Tingsgård, MD, of the Center of Research & Department of Infectious Diseases at Copenhagen University Hospital–Amager and Hvidovre in Denmark.
LIMITATIONS:
The study was based on data from electronic health records, so some factors may not have been recorded or considered. The researchers identified few cases of multidrug-resistant infections, and the findings may not apply to those cases. Complicated cases and people who were not stabilized by day 4 were excluded from the analysis.
DISCLOSURES:
The authors report no disclosures or sources of funding.
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