Deadly Airborne Pollutants in Hospitals

The Center for Disease Control (CDC) has stressedvulnerability of modern healthcare facilities against
the importance of evaluating medical facilities forinfectious diseases and infections. Patient-to-healthcare
atmospheric contaminants in an effort to ensure thework interactions and the close proximity of infected
safety of both healthcare workers and patients.patients greatly amplified transmission of SARS within
Like homes and commercial buildings, hospitals andhospitals.
other medical facilities have also been built to be moreThe above referenced situation is just one example of
air-tight in order to conserve energy. Because of thesehow air quality in medical environments is crucial, and
energy-saving efforts, air flow rate is decreased,medical-grade air purifiers can both enhance air quality
causing an increase in airborne contaminants and evenand reduce the amount of harmful airborne pollutants
air stagnation. Poor air quality in medical facilities notthat could cause infections and complications. In the
only affects medical staff, but it is also detrimental tomedical setting, air purifiers using HEPA technology are
patients, especially those in the postoperative settingexcellent at improving air quality because they filter out
where contaminant-free air is absolutely imperative.99.97% of particulates larger than 0.3 microns. In
Although central air purification systems exist in mostaddition, these types of air purifiers do not emit ozone,
operating rooms, patient rooms, waiting rooms, and thewhich, after prolonged exposure, can be harmful to
general hospital environment is still highly susceptible toboth patients and staff. In fact, shortly after the
airborne biological contaminants such as viruses,September 11th attacks, the CDC endorsed the use of
bacteria, and microorganisms. Even in operating rooms,HEPA filtration in post offices to address the increased
debris such as paper fibers from clothing can clogrisk of Anthrax. As well, the CDC also recommends
medical instruments and contaminate the air. In addition,the simultaneous use of HEPA filtration along with
drill aerosols, abrasion powder, and mercury vaporsUV technology as the final defense against these
are common pollutants released in the air during dentaldiseases. Purifiers utilizing UV light are also important in
procedures.the medical setting, as they possess enough energy to
Poor air quality in medical environments can fosterbreak molecular bonds, causing genetic and cellular
virus infections such as staphylococci, which candamage to microorganisms such as viruses, bacteria,
cause complications during patient rehabilitation.fungi, and germs, and rendering them harmless.
For example, from November 2002 to July 2003,Because the quality of indoor air impacts the health of
Severe Acute Respiratory Syndrome (SARS) was aboth patients and medical staff, medical-grade air
major pandemic that affected several Asian countries.purifiers may be able to supplement and improve on
This widespread respiratory disease highlighted theexisting air purification systems in the medical setting.