A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
In order to better manage legionellosis, the ASHRAE Guideline 12-2000 is being converted to ASHRAE Standards Project Committee 188P, Minimizing the Risk of Legionellosis Associated with Building Water Systems. The current trend today is an evidence-based approach to legionella guidelines, wherein it requires, among other things, recommendations to be prospectively validated through controlled studies and be assessed objectively. Such an approach would also improve the utility of ASHRAE Guideline 12-2000 and make sure the strength or weakness of a recommendation with respect to scientific foundation. An evidence-based assessment can be best sited in the New York State Department of Health guidelines for the protection of patients from hospital-acquired Legionnaires' disease. It has recommended, among others for infection control, a quarterly culturing of the potable water system of transplant units for legionella species. For engineering environmental care and maintenance, it has recommended to store hot water at 60 degree C, among others. Each disinfectant method must undergo evaluation, including demonstrated efficacy in vitro, anecdotal experience in individual hospitals, controlled studies of sufficient duration in single hospitals and confirmatory reports from multiple hospitals. Although hard to implement initially, the benefits of an evidence-based standard include a sustained value based on scientific document and avoid the loss of credibility that will come when nonevidence-based recommendations fail.
In order to better manage legionellosis, the ASHRAE Guideline 12-2000 is being converted to ASHRAE Standards Project Committee 188P, Minimizing the Risk of Legionellosis Associated with Building Water Systems. The current trend today is an evidence-based approach to legionella guidelines, wherein it requires, among other things, recommendations to be prospectively validated through controlled studies and be assessed objectively. Such an approach would also improve the utility of ASHRAE Guideline 12-2000 and make sure the strength or weakness of a recommendation with respect to scientific foundation. An evidence-based assessment can be best sited in the New York State Department of Health guidelines for the protection of patients from hospital-acquired Legionnaires' disease. It has recommended, among others for infection control, a quarterly culturing of the potable water system of transplant units for legionella species. For engineering environmental care and maintenance, it has recommended to store hot water at 60 degree C, among others. Each disinfectant method must undergo evaluation, including demonstrated efficacy in vitro, anecdotal experience in individual hospitals, controlled studies of sufficient duration in single hospitals and confirmatory reports from multiple hospitals. Although hard to implement initially, the benefits of an evidence-based standard include a sustained value based on scientific document and avoid the loss of credibility that will come when nonevidence-based recommendations fail.
Preventing Legionellosis
Schutz vor Legionellen
Stout, Janet E. (author)
ASHRAE Journal ; 49 ; 58-62
2007
5 Seiten, 25 Quellen
Article (Journal)
English
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