HEALTHCARE-ASSOCIATED PNEUMONIAS: EPIDEMIOLOGY, PATHOGENESIS, RISK FACTORS, EVOLUTION, DIAGNOSIS, TREATMENT AND PREVENTION

Authors

DOI:

https://doi.org/10.47820/recima21.v7i1.7401

Keywords:

Healthcare-associated infections, hospital-acquired pneumonia, ventilator-associated pneumonia, intensive care units

Abstract

Pneumonia is the second most common healthcare-associated infection (HAI) in hospital settings and the most common in intensive care units (ICUs). The objective of this work was to carry out a narrative review of the literature on hospital-acquired pneumonia. A bibliographic search was carried out focusing on the past 8 years. Sources included books, theses, dissertations, scientific journals, and articles available in databases such as Scielo, LILACS, PubMed, Medline, and ScienceDirect, which allowed obtaining information focusing on epidemiology, pathogenesis, risk factors, progression, diagnosis, treatment, and prevention of healthcare-associated pneumonia. Pneumonia has a global incidence, predominantly affecting males and individuals with comorbidities. These infections can affect people of all ages, particularly those over 50, and may be caused by various microorganisms, including Streptococcus pneumoniae, Pseudomonas aeruginosa, Acinetobacter baumannii, Staphylococcus aureus, and enterobacteria such as Klebsiella pneumoniae, Escherichia coli, among others. Diagnosis involves clinical, radiological, and laboratory assessments. Initial treatment is empirical, using broad-spectrum antimicrobials, which are later adjusted based on the results of antimicrobial susceptibility testing to target the specific isolated microorganism. The importance of hospital-acquired pneumonia, especially ventilator-associated pneumonia in ICUs, is clear, making more and better epidemiological studies, research into easier and lower-cost strategies for its prevention, and ongoing training of healthcare professionals to improve patient outcomes.

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Author Biographies

  • Rayane Sabrine da Silva, Universidade Federal de Juiz de Fora

    Rayane Sabrine da Silva foi estudante do curso de farmácia da Universidade Federal de Juiz de Fora – Campus Governador Valadares e realizou trabalho de conclusão de curso com o título “Pneumonias relacionadas com a assistência à saúde: epidemiologia, patogenia, fatores de risco, evolução, diagnóstico, tratamento e prevenção”.

  • Michel Rodrigues Moreira, Universidade Federal de Juiz de Fora

    Michel Rodrigues Moreira possui graduação em Farmácia-Bioquímica, com habilitação em Análises Clínicas, pela Universidade Federal de Ouro Preto (2003), especialização em Citologia Clínica pela Universidade Federal de Ouro Preto (2005), mestrado (2008) e doutorado (2013) em Microbiologia pelo programa de Pós-graduação em Imunologia e Parasitologia Aplicadas da Universidade Federal de Uberlândia. Tem experiência com a realização de exames citopatológicos e com Infecções relacionadas com assistência à saúde e Microbiologia Clínica. Atualmente é professor associado do Departamento de Farmácia da Universidade Federal de Juiz de Fora (Campus Governador Valadares).

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Published

20/02/2026

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COURSE COMPLETION WORK - TCC

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How to Cite

Sabrine da Silva, R., & Rodrigues Moreira, M. (2026). HEALTHCARE-ASSOCIATED PNEUMONIAS: EPIDEMIOLOGY, PATHOGENESIS, RISK FACTORS, EVOLUTION, DIAGNOSIS, TREATMENT AND PREVENTION. RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218, 7(1), e717401. https://doi.org/10.47820/recima21.v7i1.7401