[Current microbiological aspects of nosocomial infections].
Despite of the widespread antibiotic use, the hospital acquired infections are still a great problem. Several factors influence the changing spectrum of etiological agents: an increased level of drug resistance, a possible bacterial synergism in more frequent polymicrobial infections, some environmental risk factors, and a higher number of compromised hosts. For these reasons a lot of opportunists such as the enterobacteria, the Gram positive resurgent cocci and the new ones (nonfermenting Gram negative bacilli, anaerobes, Legionellas, atypical mycobacteria and fungi) still emerge creating a significant therapeutic challenge.
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D001424:Bacterial Infections / Q000209:etiology / Q000382:microbiology*; D003428:Cross Infection / Q000209:etiology / Q000382:microbiology*; D004352:Drug Resistance, Microbial; D006801:Humans
Attuali aspetti microbiologici delle infezioni nosocomiali.