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Hospital-acquired pneumonia: a narrative review

Wilter C. Morales García, Víctor D. Álvarez-Manrique, Mardel Morales-García, Katherin Anais Vásquez Lomas, Susy Caroly Tangoa Pérez, Dayanne Alexandra Vela Pinedo, Jesús Sebastián Flores Tuesta

2026

Abstract

Objective: to conduct a literature review on hospital-acquired pneumonia through factors, treatment, and prevention.Method: as data sources, Scopus, SciELO, PubMed, Google Scholar were used.Data selection: Documents were selected and analyzed under a critical literature review, considering inclusion and exclusion criteria.Results: a corpus of 19 articles was analyzed, including 6 retrospective studies, 4 systematic reviews, 3 prospective studies, 2 narrative studies, 2 cross-sectional studies, 1 qualitative study, 1 observational study, 1 meta-analysis, one multiple logistic regression analysis, one longitudinal study, one analytical review, one phase III trial, one literature review, and one quantitative study.The population studied included pediatric patients, young people, adults, and the elderly.The studies were conducted in various countries, such as Spain, China, Mexico, Brazil, Canada, the Philippines, the United States, India, Egypt, Peru, France, Romania, Italy, Argentina, Oman, and the Czech Republic, each of which contributed a unique perspective to the research.Two articles addressed neurological factors, 11 focused on manifestations, and 6 dealt with predictive factors.The clinical condition of the patients in the studies, 8 articles analyzed the results of acute ischemic stroke (AIS), severe TBI, craniofacial trauma, moderate TBI, chest trauma, pulmonary contusion, acute diseases, hip fracture, chronic lung disease, periodontal disease, poor oral health, and…

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