Effect of switching off unidirectional downflow systems of operating theaters during prolonged inactivity on the period before the operating theater can safely be used

Highlights • After starting up the system, the protected area achieved the required degrees of protection within 20 minutes (95% upper confidence limit). • After starting up the system, a stable temperature difference was achieved within 23 minutes (95% upper confidence limit). • Both findings lie w...

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Bibliographic Details
Published in:American journal of infection control 2017-02, Vol.45 (2), p.139-144
Main Authors: Traversari, A.A.L., BSc, MBA, Bottenheft, C., MSc, van Heumen, S.P.M., MSc, Goedhart, C.A., MSc, Vos, M.C., MSc, PhD, Prof
Format: Article
Language:English
Subjects:
Air Microbiology
Air Pollution, Indoor
Air quality
Airborne particles
Degree of protection
Effects
Energy saving
Environment, Controlled
Infection Control
Infectious Disease
Operating Rooms
Operating theater
Particulate Matter
Recovery time
Surgery
Switching
Temperature
UDF system
Ventilation
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Summary:Highlights • After starting up the system, the protected area achieved the required degrees of protection within 20 minutes (95% upper confidence limit). • After starting up the system, a stable temperature difference was achieved within 23 minutes (95% upper confidence limit). • Both findings lie well within the period of 25 minutes normally required for preparations before the start of surgical procedures. • Switching off the ventilation system during prolonged inactivity (during the night and weekend) has no negative effect on the air quality in unidirectional downflow operating theaters during normal operational hours and can result in saving energy, up to 70% of the energy consumption compared with systems that function on full capacity continuously, and therefore costs.
ISSN:0196-6553
1527-3296
DOI:10.1016/j.ajic.2016.07.019