In highly sensitive health care settings, both infectious and highly susceptible patients are treated, so minimizing the likelihood of infection and disease transmission is critical.
If the indoor air quality cannot be properly monitored and managed, the cost will increase due to the lengthening of the hospital stay, causing the medical institution to assume corresponding responsibilities, and more importantly, bring unnecessary risks to the patient and the medical staff.
The root cause of indoor air quality (IAQ) problems in medical institutions
· Infectious pathogens produced by insiders, such as tuberculosis, rubella (measles) and influenza.
· Pathogens that are normally present in the human environment and may endanger patients with impaired immune systems. Such organisms include Aspergillus fumigatus, a common mold, and the like.
In order to control the movement and spread of infectious pathogens, institutional designers and managers have established two special ventilation spaces:
AII - Air Infection Isolation / Patient Isolation Room
PE - Protective Environmental Facilities
Small class:
AII and PE facilities are infrastructure that limits the spread of infectious pathogens, but they are not foolproof. Even the best air filtration and airflow designs can be compromised by poor maintenance or improper operation.
Andrew Streifel
Environmental Specialist, University of Minnesota Hospital, USA
“One hospital used to shut down the fans on the ICU ceiling due to financial constraints. In the summer in Minnesota, when the humidity reached a very high level, it began to rain in the ICU. The water fell from the ceiling and dripped on the patient. They used Four or five intensive care units were used to transfer patients, and this situation was ended."
“The reason for the recent outbreak of aspergillosis in cancer patients is because the adjacent buildings are under construction, causing decompression of the building where the HSCT operating room is located. Unfiltered outdoor air flows into the building through doors and windows, allowing patients in the HSCT operating room to come into contact with fungal spores. ."
- CDC (Centers for Disease Control) report
When these problems occur, the dust particle counters such as the Fluke 985 can help hospital staff and industrial hygiene technicians detect the increase in particle concentration, determine the source, and verify the effectiveness of the remedy.
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