Title
Virulence characteristics of Klebsiella and clinical manifestations of **K. pneumoniae** bloodstream infections Virulence characteristics of Klebsiella and clinical manifestations of **K. pneumoniae** bloodstream infections
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Atlanta, Ga ,
Subject
Human medicine
Source (journal)
Emerging infectious diseases / National Center for Infectious Diseases. Centers for Disease Control and Prevention. - Atlanta, Ga
Volume/pages
13(2007) :7 , p. 986-993
ISSN
1080-6040
ISI
000247758200004
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
We studied 455 consecutive episodes of Klebsiella pneumoniae bacteremia occurring in 7 countries. Community-acquired pneumonia and an invasive syndrome of liver abscess, meningitis, or endophthalmitis occurred only in Taiwan and South Africa. Infections by K1 and K2 capsular serotype, the mucoid phenotype, and aerobactin production were important determinants of virulence. The mucoid phenotype was seen in 94% of isolates in patients with community-acquired pneumonia and in 100% of isolates that caused the invasive syndrome in Taiwan and South Africa, compared with only 2% of isolates elsewhere. Mortality of mice injected with mucoid strains (69%) was strikingly higher than that occurring in mice injected with nonmucoid strains (3%, p<0.001). Differences in clinical features of bacteremic infection with K. pneumoniae are due to the virulence factors expressed by the organism.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/f38131/dce05cc5.pdf
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