Acquired pneumonia in the elderly

Nosocomial pneumonia refers to pneumonia caused by pathogenic bacteria to the lower respiratory tract of the elderly under special circumstances. This infection does not exist when the patient is admitted to the hospital, nor is it in the infection incubation period. (Geriatric nursing homes, rehabilitation centers), but also includes patients who became infected after being infected during hospitalization and then became ill. Therefore, other infectious diseases of the lung that are latent during this period should be excluded. Hospital-acquired pulmonary infections have been an important area of ​​great concern to clinical medicine, preventive medicine, hygiene and hospital management in recent years. Many countries have invested a lot of human, material and financial resources for in-depth and detailed research. The disease not only poses a huge threat to the safety of human life, but also causes huge losses to social wealth.

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