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Methicillin-resistant Staphylococcus aureus (MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
More severe bacteremia can occur following dental procedures or in patients receiving chemotherapy. [17] Finally, Streptococcus bovis is a common cause of bacteremia in patients with colon cancer. [18] Enterococci are an important cause of healthcare-associated bacteremia. These bacteria commonly live in the gastrointestinal tract and female ...
Staphylococcus aureus (/ ˌ s t æ f ɪ l ə ˈ k ɒ k ə s ˈ ɔːr i ə s,-l oʊ-/, [16] [17] Greek σταφυλόκοκκος ' grape-cluster berry ', Latin aureus, ' golden ') is a facultative anaerobic, gram-positive coccal (round) bacterium also known as "golden staph" and "oro staphira". S. aureus is nonmotile and does not form spores. [18]
S. aureus is also implicated [6] in toxic shock syndrome; during the 1980s some tampons allowed the rapid growth of S. aureus, which released toxins that were absorbed into the bloodstream. Any S. aureus infection can cause the staphylococcal scalded skin syndrome , a cutaneous reaction to exotoxin absorbed into the bloodstream.
[42] [43] S. pseudintermedius infections in a human host have been known to cause endocarditis, post-surgical infections, inflammation of the nasal cavity (rhinosinusitis) and catheter-related bacteremia. [6] Staphyloccus pseudintermedius becomes established in a human wound, it has the ability to form antibiotic resistance biofilms. [6]
SAPS III was designed to provide a realistic predicted mortality for a particular patient or a particular group of patients. It does this by calibrating against known mortalities on an existing set of patients, for a specific definition of mortality (like 30-days mortality). This way, it can answer questions like "Did we improve our quality of ...
Staphylococcus aureus ST8:USA300 ST8:USA300 is a strain of community-associated methicillin-resistant Staphylococcus aureus (MRSA) that has emerged as a particularly antibiotic resistant epidemic that is responsible for rapidly progressive, fatal diseases including necrotizing pneumonia , severe sepsis and necrotizing fasciitis . [ 1 ]
Toxic shock syndrome toxin-1 (TSST-1) is a superantigen with a size of 22 kDa [1] produced by 5 to 25% of Staphylococcus aureus isolates. It causes toxic shock syndrome (TSS) by stimulating the release of large amounts of interleukin-1, interleukin-2 and tumor necrosis factor. In general, the toxin is not produced by bacteria growing in the ...