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JPEN J Parenter Enteral Nutr. 2002 Nov-Dec;26(6 Suppl):S19-24; discussion S24-5.

Aspiration pneumonia: incidence, mortality, and at-risk populations.

Author information

1
Digestive Disease Center, Medical University of South Carolina, Charleston 29425, USA. deleggem@musc.edu

Abstract

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.

PMID:
12405619
DOI:
10.1177/014860710202600604
[Indexed for MEDLINE]

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