نتایج جستجو برای: legionella pneumophila
تعداد نتایج: 5049 فیلتر نتایج به سال:
Background – Among the members of Legionellaceae, Legionella pneumophila is involved in more than 95% of cases of severe pneumonia. Isolation of the causative agent from bronchoalveolar lavage (BAL) fluid specimen is a delicate process and also time-consuming. Moreover, it has been shown that some Legionella strains may be viable but cannot be cultured. The serological diagnosis, which is usual...
Legionella pneumophila, the causative agent of Legionnaires’ diseases (LD) is usually transmitted to humans via inhalation of aerosols from contaminated natural and manmade water sources. These organisms may become fatal especially in immunocompromised patients and LD is the one of the important disease from a public health perspective. This survey investigated the frequency of Legionella spp. ...
While the majority of Legionnaire's disease has been attributed to Legionella pneumophila, Legionella micdadei can cause a similar infection in immunocompromised people. Consistent with its epidemiological profile, the growth of L. micdadei in cultured macrophages is less robust than that of L. pneumophila. To identify those features of the Legionella spp. which are correlated to efficient grow...
We describe 4 cases of Legionella pneumophila serogroup 13-associated pneumonia. These cases originate from a broad geographic range that includes Scotland, Australia, and New Zealand. L. pneumophila serogroup 13 pneumonia has a clinically diverse spectrum that ranges from relatively mild, community-acquired pneumonia to potentially fatal severe pneumonia with multisystem organ failure. All cas...
The objective was to obtain research-based, holistic knowledge about necessity and effect of practiced measures against L. pneumophila in municipal shower systems in Stavanger, Norway. The effects of hot water treatment and membrane-filtering were investigated and compared to no intervention at all. The studies were done under real-world conditions. Additionally, a surveillance pilot study of m...
We evaluated a new immunochromatographic assay (Oxoid Xpect Legionella test kit) for the ability to detect Legionella pneumophila serogroup 1 antigen in urine. The results were compared with those obtained with the Binax NOW urinary antigen test by following the manufacturers' instructions. The sensitivities and specificities were estimated to be 89 and 100%, respectively, for the Oxoid Xpect L...
Abstract Up to 10% of community-acquired pneumonia cases are identified as Legionnaires’ Disease, caused by the pathogen Legionella pneumophila. L. pneumophila naturally resides in freshwater systems and becomes pathogenic when man-made plumbing grow biofilm amoeba if not maintained. Hosts accidentally infected pneumophilavia aerosol inhalation into respiratory system. primarily reside human al...
Genomics can provide the basis for understanding the evolution of emerging, lethal human pathogens such as Legionella pneumophila, the causative agent of Legionnaires' disease. This bacterium replicates within amoebae and persists in the environment as a free-living microbe. Among the many Legionella species described, L. pneumophila is associated with 90% of human disease and within the 15 ser...
Background: Legionella pneumophila (L. pneumophila) is a gram-negative bacterium which causes Legionnaires' disease as well as Pontiac fever. The Legionella infections in patients suffering from neutropenia- as a common complication of cancer chemotherapy- can distribute rapidly. We aimed to detect of L. pneumophila in haematological malignancy suffering patients with neutropenic fever by t...
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