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Hospital-acquired pneumonia, also called nosocomial pneumonia, is pneumonia acquired during or after hospitalization for another illness or procedure with onset at least 72 hrs after admission. The causes, microbiology, treatment and prognosis are different from those of community-acquired pneumonia. Up to 5% of patients admitted to a hospital for other causes subsequently develop pneumonia. Hospitalized patients may have many risk factors for pneumonia, including mechanical ventilation, prolonged malnutrition, underlying heart and lung diseases, decreased amounts of stomach acid, and immune disturbances. Additionally, the microorganisms a person is exposed to in a hospital are often different from those at home . Hospital-acquired microorganisms may include resistant bacteria such as MRSA, Pseudomonas, Enterobacter, and Serratia. Because individuals with hospital-acquired pneumonia usually have underlying illnesses and are exposed to more dangerous bacteria, it tends to be more deadly than community-acquired pneumonia. Ventilator-associated pneumonia (VAP) is a subset of hospital-acquired pneumonia. VAP is pneumonia which occurs after at least 48 hours of intubation and mechanical ventilation.
Originally posted by Ameneter
reply to post by Beefcake
Pneumonia is a common consequence of any flu, and is frequently caused by one's own bacterial flora. If it happens while you are at home with the flu it is called community acquired pneumonia. If it occurs while you are hospitalized it is called nosocomial or hospital acquired pneumonia, even though you brought it in with you and the source is from your own body. You can differentiate true hospital from community acquired bacteria from their resistance patterns. Hospital acquired bacteria are usually more resistant to antibiotics than community sourced bacteria. The bottom line is that some hospital acquired pneumonia cannot be avoided, and you may not be any safer at home. At least in the hospital you are closely monitored and may have a better chance of survival.