Among 257 isolates of Klebsiella pneumoniae collected in Brooklyn, NY, 24% were found to possess bla(KPC). Clinical microbiology laboratories that used automated broth microdilution systems reported 15% of the KPC-possessing isolates as susceptible to imipenem. The imipenem MIC was found to be markedly affected by the inoculum.
View Article and Find Full Text PDFObjectives: To describe the molecular epidemiology of carbapenem-resistant Klebsiella pneumoniae in Brooklyn, NY and assess the in vitro activity of various antibiotic combinations.
Methods: Clinical isolates with suspected carbapenem resistance were referred to the central research laboratory from August 2003 to June 2004. Isolates underwent MIC testing, ribotyping, and were analysed for the presence of KPC carbapenemases.
Immunocompromised persons are at increased risk for a large group of infections that are either uncommon or much less severe in the immunocompetent host. These opportunistic infections broaden the diagnostic considerations in differential diagnosis of community-acquired pneumonia in patients with immunodeficiencies. This article highlighted epidemiologic factors, clinical presentations, and treatment options for four selected opportunistic infections that represent varied classes of pathogens: nematodes (S stercoralis), mycoses (C neoformans), bacteria (P aeruginosa in patients with HIV infection), and viruses (measles virus).
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