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Clinical and epidemiological characteristics of severe community-acquired pneumonia in children after introduction of the 10-valent pneumococcal vaccine

Authors Fonseca Lima E, Mello MJ, Albuquerque MDFPM, Lopes M, Serra GH, Abreu-Lima MA, Correia J

Received 7 May 2015

Accepted for publication 20 July 2015

Published 24 August 2015 Volume 2015:6 Pages 131—138

DOI https://doi.org/10.2147/PHMT.S88132

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor Laurens Holmes, Jr


Eduardo JF Lima,1,2 Maria JG Mello,1,2 Maria FPM Albuquerque,3 Maria IL Lopes,4 George HC Serra,2 Maria AZ Abreu-Lima,2 Jailson B Correia1

1Instituto de Medicina Integral Prof. Fernando Figueira - IMIP Recife; 2Faculdade, Pernambucana de Saúde - FPS Recife; 3Centro de Pesquisas Aggeu Magalhães, FIOCRUZ; 4Hospital das Clínicas, Universidade Federal de Pernambuco - UFPE, Recife, Pernambuco, Brazil

Background: Pneumonia is an important cause of morbimortality in Brazil, despite the extensive vaccination coverage and the socioeconomic improvement in the past years.
Objective: To describe the epidemiological and clinical characteristics of severe community-acquired pneumonia in children after the introduction of the 10-valent pneumococcal conjugate vaccine (PCV10).
Methods: A prospective study included children <5 years old hospitalized for pneumonia between October 2010 and September 2013 in a tertiary hospital. Newborns and children with comorbidities were excluded. Pneumonia classification followed the clinical and radiological criteria established by World Health Organization (WHO). Clinical history, nutritional status, immunizations, diagnosis, disease course, and prognosis were analyzed.
Results: Among 452 children, almost 70% were <2 years, with no sex differences, and 10% had weight-for-age z score below than -2.0. Family income was up to one minimum wage in half the households, and 40% of mothers had completed high school. The suitability of both influenza and PCV10 vaccine schedules was ~50%. The first medical care happened later than 72 hours after the onset of symptoms in 42% of cases. Pneumonia was classified as severe or very severe in 83.9% of patients and for 23% as complicated. Global mortality was 1.5%. Hypoxia, diagnosed in 51.5% of children, looked like a better prognosis predictor than the WHO classification.
Conclusion: New strategies for health care are necessary, such as the incorporation of peripheral saturometry as the “fifth signal”, investment in vaccine coverage, and the adequacy of hospital infrastructure for assistance of severely affected patients.

Keywords: respiratory tract infections, pneumonia, child, pneumococcal conjugate vaccine, descriptive epidemiology

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