• J Pediatric Infect Dis Soc · Jun 2017

    Evaluation of the Impact of Pneumococcal Conjugate Vaccine on Pediatric Community-Acquired Pneumonia Using an Emergency Database System.

    • Guilhem Noel, Gilles Viudes, Remi Laporte, and Philippe Minodier.
    • PACA Emergency Network Observatory, Hyères, and.
    • J Pediatric Infect Dis Soc. 2017 Jun 1; 6 (2): 129-133.

    Background.A 13-valent pneumococcal conjugate vaccine (PCV13) seems to be associated with a reduction of community-acquired pneumonia (CAP) in children.Methods.To explore the link between PCV13 implementation and children' visits in emergency departments (EDs) for pneumonia, we analyzed mandatory Electronics Emergency Department Abstracts (EEDA), in 7 EDs, located in southern France, from 2009 to 2014. Diagnosis related to visits were coded using International Classification Diseases-10 codes. All codes available for EEDA were used to define bacterial pneumonia (BP), viral pneumonia (VP), and nonspecific pneumonia (NSP). For adjustment, we also used codes related to influenza and bronchiolitis. Comparisons between periods (pre-PCV13, transitional, early post-PCV13, and late post-PCV13) were made by logistic regression. On daily aggregated data, a general linear model was constructed with daily proportion of BP as dependent variable, period as fixed factor, and daily proportion of viral respiratory infections (flu plus bronchiolitis) as covariate.Results.Among 718 758 visits, 7284 were coded as CAP. A significant decline in CAP was noted only for children between 2 and 5 years of age. In contrast, the proportion of BP was dramatically reduced: 2.49 vs 5.17/1000 visits (odds ratio, 0.48; 95% confidence interval, 0.42-0.55), whereas the proportion of VP was similar and NSP increased. After adjustment on influenza plus bronchiolitis, the decrease of BP remained significant.Conclusions.Electronics Emergency Department Abstracts analysis confirms an important reduction in children ED visits for BP after PCV13 implementation. The EEDA also allow a real-time surveillance of pneumonia and an adjustment on confounding factors, such as viral respiratory infections.© The Author 2016. Published by Oxford University Press on behalf of The Journal of the Pediatric Infectious Diseases Society. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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