Photodisinfection Kills MRSA Superbug Quickly and Safely

It is fair to say there are no microorganisms that cannot be killed by PDT (photodisinfection). It is a relatively non-specific formation of reactive oxidant species which, by and large, will kill anything. The way to optimize is to target the {‘photosensitizer’} to the species you want to kill – Richard Hamblin, Harvard Medical School.

One important application of photodisinfection is “nasal decolonization”, the elimination of all or almost all of the MRSA (Methicillin-resistant Staphylococcus aureus , one of the superbugs) that thrive inside of the nose. This is an important application because a number of studies have demonstrated that removing the harmful bacteria in the nose (called ‘decolonization’) results in a significantly lower incidence of surgical site infections. Patients who are colonized with bacteria are at risk of self contamination after surgeries when their bodies are weakened. By reducing all or substantially all of the harmful bugs in the nose prior to surgery, fewer patients will die and fewer patients will become infected with resistant and susceptible forms of staphylococcus (‘Staph’).

Surgical site infections have a huge impact on both patients and medical care systems. On average , SSIs cost anywhere between $11,000 – $35,000, add an extra 8 hospital days, and can result in 5 times higher readmission rates. An effective and immediate method of decolonizing the harmful nasal pathogens is therefore an important new protocol in infection prevention, especially for high risk patients. Click here to read “The 3 Myths of Photodisinfection.”

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