MRSA

(noun)

Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium responsible for several difficult-to-treat infections in humans. It is also called multidrug-resistant Staphylococcus aureus and oxacillin-resistant Staphylococcus aureus (ORSA).

Related Terms

  • nosocomial infection
  • nosocomial
  • pneumonia

Examples of MRSA in the following topics:

  • Antibiotics: Are We Facing a Crisis?

    • A very dangerous strain, however, methicillin-resistant Staphylococcus aureus (MRSA) has made the news over the past few years .
    • MRSA can cause infections of the skin, but it can also infect the bloodstream, lungs, urinary tract, or sites of injury.
    • Researchers have expressed concern about the way this latter source of MRSA targets a much younger population than those residing in care facilities.
    • The Journal of the American Medical Association (JAMA) reported that, among MRSA-afflicted persons in healthcare facilities, the average age is 68, whereas people with "community-associated MRSA" (CA-MRSA) have an average age of 23.
    • This scanning electron micrograph shows methicillin-resistant Staphylococcus aureus bacteria, commonly known as MRSA.
  • Microorganisms in the Hospital

    • Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium responsible for several difficult-to-treat infections in humans .
    • MRSA is any strain of Staphylococcus aureus that has developed resistance to beta-lactam antibiotics, which include the penicillins (methicillin, dicloxacillin, nafcillin, oxacillin, etc.) and the cephalosporins.
    • The development of such resistance does not cause the organism to be more intrinsically virulent than strains of Staphylococcus aureus that have no antibiotic resistance, but resistance does make MRSA infection more difficult to treat with standard types of antibiotics, and thus more dangerous.
  • Bacterial Pneumonias

    • A number of drug-resistant versions of the above infections are becoming more common, including drug-resistant Streptococcus pneumoniae (DRSP) and methicillin-resistant Staphylococcus aureus (MRSA).
  • Defining Microbes

    • A very dangerous strain, methicillin-resistant Staphylococcus aureus (MRSA), has wreaked havoc recently.
  • Staphylococcal Food Poisoning

    • Problematically, Methicillin-resistant Staphylococcus aureus (MRSA) has become a major cause of hospital-acquired infections and is being recognized with increasing frequency in community-acquired infections.
  • Relative Resistance of Microbes

    • Methicillin-resistant Staphylococcus aureus (MRSA) was first detected in Britain in 1961, and is now "quite common" in hospitals.
  • Control of Nosocomial Infections

    • Modern sanitizing methods such as NAV-CO2 have been effective against gastroenteritis, MRSA, and influenza agents.
  • Antimicrobial Proteins

    • Bacteria like staphylococcus aureas, which forms the highly resistant MRSA strain, can reduce the negativity of the charge of its cell membrane by bringing amino acids from the cytoplasm into its cell membrane, so animicrobial peptides won't bind to it.
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