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Abstract
Community acquired pneumonia remains a leading cause of morbidity and mortality worldwide and has significant financial implication for health care systems, and remains a major reason for admission to hospital and a common cause of death.
Morever, it was found that in COPD patients, bacterial infections are judged to cause at least half of exacerbations, and it is advised that the choice of antibiotic is important because the rise in bacterial resistance has made older agents less effective.
On the other hand, Nosocomial pneumonia remains one of the most common hospital infections and the most common infection in critically-ill patients. The clinical and economic consequences are considerable, especially in ventilated patients. the incidence of VAP was found to range from about 10% to 20%. The mortality of these patients was twice that of similar patients without VAP.
In this work, 100 patients were hospitalized in Abbassia chest hospital in the period from January 2006 to June 2007, and they were divided into 3 groups:
*Group I:
35 patients with community acquired pneumonia (CAP) with no comorbid illness.
*Group II:
33 patients with acute exacerbation of chronic bronchitis (AECB).