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Pathogenesis of Pneumonia

  • Monroe Karetzky
Chapter

Abstract

Community-acquired pneumonia causes large numbers of hospital admissions each year. Although the incidence varies greatly in different geographic and socioeconomic settings, in the United States it has been found to cause 10–15 cases per 100,000 population annually, predominating in the very young and the elderly. Hospitalization may be required in as many as 25% of cases. It is this group from which all the mortality data have been recorded, in contrast to the ambulatory group with “walking pneumonia.” Thus adult community-acquired pneumonia occurs in more than 3 million persons per year in the United States; and even though most are treated as outpatients, the disease still accounts for more than 50,000 hospital admissions annually. Major determinants of hospitalization and a complicated course in patients not initially admitted to the hospital include the existence of comorbid conditions, age greater than 65 years, and high grade fever (>101°F). Social factors and patient reliability are also prominent triage considerations that classically account for the high admission rates for patients with pneumonia to municipal institutions.

Keywords

Functional Residual Capacity Aspiration Pneumonia Nosocomial Pneumonia Total Lung Capacity Adult Respiratory Distress Syndrome 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York, Inc. 1993

Authors and Affiliations

  • Monroe Karetzky

There are no affiliations available

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