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  • Title: Beta-lactam versus beta- lactam/macrolide therapy in pediatric outpatient pneumonia.
    Author: Ambroggio L, Test M, Metlay JP, Graf TR, Blosky MA, Macaluso M, Shah SS.
    Journal: Pediatr Pulmonol; 2016 May; 51(5):541-8. PubMed ID: 26367389.
    Abstract:
    OBJECTIVE: The objective was to evaluate the comparative effectiveness of beta-lactam monotherapy and beta- lactam/macrolide combination therapy in the outpatient management of children with community-acquired pneumonia (CAP). METHODS: This retrospective cohort study included children, ages 1-18 years, with CAP diagnosed between January 1, 2008 and January 31, 2010 during outpatient management in the Geisinger Health System. The primary exposure was receipt of beta-lactam monotherapy or beta-lactam/macrolide combination therapy. The primary outcome was treatment failure, defined as a follow-up visit within 14 days of diagnosis resulting in a change in antibiotic therapy. Logistic regression within a propensity score- restricted cohort was used to estimate the likelihood of treatment failure. RESULTS: Of 717 children in the analytical cohort, 570 (79.4%) received beta-lactam monotherapy and 147 (20.1%) received combination therapy. Of those who received combination therapy 58.2% of children were under 6 years of age. Treatment failure occurred in 55 (7.7%) children, including in 8.1% of monotherapy recipients, and 6.1% of combination therapy recipients. Treatment failure rates were highest in children 6-18 years receiving monotherapy (12.9%) and lowest in children 6-18 years receiving combination therapy (4.0%). Children 6-18 years of age who received combination therapy were less likely to fail treatment than those who received beta-lactam monotherapy (propensity-adjusted odds ratio, 0.51; 95% confidence interval, 0.28, 0.95). CONCLUSION: Children 6-18 years of age who received beta- lactam/macrolide combination therapy for CAP in the outpatient setting had lower odds of treatment failure compared with those who received beta-lactam monotherapy.
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