Aspiration pneumonia epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

The incidence and prevalence of aspiration pneumonia are underestimated. It is mostly because of similarities between pneumonias from different causes and lack of specific marker to distinguish pneumonias from each other. The incidence of aspiration pneumonia is approximately 300,000 to 600,000 individuals annually in the United States. The prevalence of aspiration pneumonia is approximately 5,000 to 15,000 per 100,000 individuals admitted in the hospital due to community acquired pneumonia. The mortality rate of aspiration pneumonia is approximately 10.6-21%. The incidence of aspiration pneumonia increases with age; the median age at diagnosis is 70-80 years. Males are more commonly affected by aspiration pneumonia than females. There is no racial predilection to aspiration pneumonia.

Epidemiology and Demographics

Incidence

  • The incidence and prevalence of aspiration pneumonia are underestimated. It is mostly because of similarities between pneumonias from different causes and lack of specific marker to distinguish pneumonia from each other.[1]
  • The incidence of aspiration pneumonia is approximately 300,000 to 600,000 individuals annually in the United States.[2]

Prevalence

Mortality rate

Age

  • Aspiration pneumonia commonly affects children and elderly.[5]
  • The incidence of aspiration pneumonia increases with age; the median age at diagnosis is 70-80 years.[1]

Race

  • There is no racial predilection to aspiration pneumonia.

Gender

  • Males are more commonly affected by aspiration pneumonia than females.[3]

References

  1. 1.0 1.1 1.2 Lanspa, Michael J.; Jones, Barbara E.; Brown, Samuel M.; Dean, Nathan C. (2013). "Mortality, morbidity, and disease severity of patients with aspiration pneumonia". Journal of Hospital Medicine. 8 (2): 83–90. doi:10.1002/jhm.1996. ISSN 1553-5592.
  2. Marik, Paul E. (2001). "Aspiration Pneumonitis and Aspiration Pneumonia". New England Journal of Medicine. 344 (9): 665–671. doi:10.1056/NEJM200103013440908. ISSN 0028-4793.
  3. 3.0 3.1 DiBardino, David M.; Wunderink, Richard G. (2015). "Aspiration pneumonia: A review of modern trends". Journal of Critical Care. 30 (1): 40–48. doi:10.1016/j.jcrc.2014.07.011. ISSN 0883-9441.
  4. Marik, Paul E. (2001). "Aspiration Pneumonitis and Aspiration Pneumonia". New England Journal of Medicine. 344 (9): 665–671. doi:10.1056/NEJM200103013440908. ISSN 0028-4793.
  5. Lanspa, Michael J.; Peyrani, Paula; Wiemken, Timothy; Wilson, Emily L.; Ramirez, Julio A.; Dean, Nathan C. (2015). "Characteristics associated with clinician diagnosis of aspiration pneumonia: A descriptive study of afflicted patients and their outcomes". Journal of Hospital Medicine. 10 (2): 90–96. doi:10.1002/jhm.2280. ISSN 1553-5592.