title: Healthcare-associated Pneumonia and Aspiration Pneumonia.
abstract: Healthcare-associated pneumonia (HCAP) is a new concept of pneumonia proposed by the American Thoracic Society/Infectious Diseases Society of America in 2005. This category is located between community-acquired pneumonia and hospital-acquired pneumonia with respect to the characteristics of the causative pathogens and mortality, and primarily targets elderly patients in healthcare facilities. Aspiration among such patients is recognized to be a primary mechanism for the development of pneumonia, particularly since the HCAP guidelines were published. However, it is difficult to manage patients with aspiration pneumonia because the definition of the condition is unclear, and the treatment is associated with ethical aspects. This review focused on the definition, prevalence and role of aspiration pneumonia as a prognostic factor in published studies of HCAP and attempted to identify problems associated with the concept of aspiration pneumonia.
authors: Respiratory Medicine and Infectious Diseases, Oita University Faculty of Medicine, Yufu, Japan ; Clinical Research Center of Respiratory Medicine, Tenshindo Hetsugi Hospital, Oita, Japan.
authors: Kosaku
authors: K
authors: Komiya
authors: Department of Respiratory Medicine, Fukuoka University Hospital, Jonan-ku, Fukuoka, Japan.
authors: Hiroshi
authors: H
authors: Ishii
authors: Respiratory Medicine and Infectious Diseases, Oita University Faculty of Medicine, Yufu, Japan.
authors: Jun-Ichi
authors: J
authors: Kadota
keywords: aspiration pneumonia; diagnosis; elderly; healthcare-associated pneumonia
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