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Poor prediction of potentially drug-resistant pathogens using current criteria of health care-associated pneumonia

 Seon Cheol Park  ;  Young Ae Kang  ;  Byung Hoon Park  ;  Eun Young Kim  ;  Moo Suk Park  ;  Young Sam Kim  ;  Se Kyu Kim  ;  Joon Chang  ;  Ji Ye Jung 
 RESPIRATORY MEDICINE, Vol.106(9) : 1311-1319, 2012 
Journal Title
Issue Date
Adult ; Aged ; Anti-Bacterial Agents/therapeutic use ; Cross Infection/diagnosis* ; Cross Infection/drug therapy ; Cross Infection/microbiology ; Drug Resistance, Multiple, Bacterial* ; Female ; Gram-Positive Bacterial Infections/diagnosis* ; Gram-Positive Bacterial Infections/drug therapy ; Gram-Positive Bacterial Infections/microbiology ; Humans ; Male ; Middle Aged ; Pneumonia, Bacterial/diagnosis* ; Pneumonia, Bacterial/microbiology ; Risk Factors ; Treatment Outcome ; Young Adult
Pneumonia ; Health care-associated ; Drug-resistant
BACKGROUND: Health care-associated pneumonia (HCAP) includes a broad range of patients having frequent or chronic contact with health care systems. However, the relationship between current defining criteria for HCAP and the risk of potentially drug-resistant (PDR) pathogens is controversial. METHODS: We retrospectively evaluated patients admitted to Severance Hospital in South Korea with culture-positive pneumonia from January 2008 to December 2009. We analyzed the associations between risk factors for HCAP and infection with PDR pathogens, and developed a new scoring system to predict infection with PDR pathogens. RESULTS: Among 339 patients, PDR pathogens were observed in 122 (36.0%). PDR pathogens were more common in HCAP than community-acquired pneumonia (CAP) (48.5% versus 23.8%, P<0.001). In a logistic regression, prior hospitalization within 90 days of pneumonia (OR=2.51, P=0.003), recent treatment with antimicrobials (OR=2.35, P=0.039), and nasogastric tube feeding (OR=15.28, P<0.001) were independently associated with PDR pathogens. For the prediction of PDR pathogens, the sensitivity and specificity of current HCAP criteria were 66.4% and 60.4%, respectively, and 68.0% and 67.3%, respectively, for the new scoring system. Moreover, the new scoring system showed better diagnostic accuracy than current HCAP criteria (area under curve=0.711 versus 0.634, P<0.001). CONCLUSIONS: The current HCAP criteria are poor predictors of PDR pathogens and all patients with HCAP should not be empirically treated for these pathogens. To avoid excessive antibiotic use, individual risk stratification approaches should be considered.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Young Ae(강영애) ORCID logo https://orcid.org/0000-0002-7783-5271
Kim, Se Kyu(김세규)
Kim, Young Sam(김영삼) ORCID logo https://orcid.org/0000-0001-9656-8482
Kim, Eun Young(김은영) ORCID logo https://orcid.org/0000-0002-3281-5744
Park, Moo Suk(박무석) ORCID logo https://orcid.org/0000-0003-0820-7615
Park, Byung Hoon(박병훈)
Park, Seon Cheol(박선철)
Chang, Joon(장준) ORCID logo https://orcid.org/0000-0003-4542-6841
Jung, Ji Ye(정지예) ORCID logo https://orcid.org/0000-0003-1589-4142
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