Posts tagged: Superbug

Two-Time Cancer Survivor Fights Off Deadly MRSA Infection

In April 2003, while the budding and blossoming of new life surrounded the springtime air, Sally would soon be left fighting for her life. Sally, a two-time cancer survivor, was sent to the hospital to undergo reconstructive surgery on her breasts. After a few hard years of treatment for breast cancer, Sally was fortunate to have won the battle against cancer and hoped to put her struggles behind her.

The surgery was a success, but as with any surgical procedure, nothing could have prepared Sally for the pain she was about to endure. Numerous stitches held Sally’s incisions together. She was told not to move without assistance from medical personnel. One nurse entered Sally’s room to turn her and make her more comfortable, but this required further medical staff. While Sally was waiting for the medical staff to arrive, she took the initiative to attempt to turn over on her own. This caused several stitches to detach from the incision, which slowed down the healing process.

Sally subsequently developed severe, swollen blotches on her body. Such manifestations caused her more pain than the actual incisions from the procedure. Her incisions soon became infected as well, although Sally’s doctor neglected to disclose the type of infection she had acquired. According to Sally, the doctor assumed the infection was MRSA. Methicillin-resistant Staphylococcus aureus, or MRSA, is a superbug that does not get better with first-line antibiotic treatments, thus considered “resistant.”

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Study Shows Increased Effectiveness Of Light-Activated Antimicrobial Agents Against MRSA

Many bacteria capable of causing life-threatening infections are now resistant to a wide range of antibiotics.  It is essential, therefore, that alternatives to antibiotics are developed for use in the prevention and treatment of such infections. Light-activated antimicrobial agents (LAAAs) are one possible new approach to this problem. LAAAs are compounds that display no antimicrobial activity in the dark but, when exposed to light of a certain wavelength, can kill microbes in the vicinity.  One of the essential attributes of any antimicrobial agent, including a LAAA, is that it be effective at low concentrations so as to reduce the risks of any toxicity to the patient.

The new LAAAs as seen through a very powerful electron microscope. The diameter of each particle is approximately 0.000000005 metre.

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