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Journal of Parenteral and Enteral Nutrition
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Aspiration Pneumonia: Incidence, Mortality, and At-Risk Populations

Mark H. DeLegge, MD, FACG

Digestive Disease Center, Medical University of South Carolina, Charleston, deleggem{at}musc.edu

Pulmonary aspiration in the hospitalized patient can be devastating. Most aspiration events occur in patients with a swallowing disorder. Aspiration can be divided into 3 separate etiologies: oropharyngeal bacteria, particulate matter, and acidified gastric contents. Reported prevalence data are extremely variable, ranging from 10% to 70%. Mortality is related to the volume and content of the aspirate and is reported to be as high as 70%. Neurologic dysfunction, decreased consciousness, advancing age, gastroesophageal reflux, and tube feeding are all potential risk factors for the development of aspiration. (Journal of Parenteral and Enteral Nutrition 26:S19-S25, 2002)

Journal of Parenteral and Enteral Nutrition, Vol. 26, No. 6 Suppl, S19-S25 (2002)
DOI: 10.1177/014860710202600604
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