Informal Papers of a Workshop on Control of Operating Room Airborne Bacteria, November 8-10, 1974, Washington (1976) / Chapter Skim
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SUMMARY OF WORKSHOP OBJECTIVES AND CONCLUSIONS
SUMMARY OF WORKSHOP OBJECTIVES AND CONCLUSIONS
Pages 3-8
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2. Airborne bacteria in the operating room do contaminate surgical wounds and are a definite source of infection in clean refined wounds, particularly in high-risk patients and in surgery requiring implantation of foreign materials.
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3. Active Air Sampling - Many devices have been developed which actively pump air from the operating theater which is then impinged onto a sterile agar plate, or drawn through sterile liquid culture media, or suctioned through a gelatin membrane of limited pore size.
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air introduction near ceiling; air exit near floor; 3) mechanical filtration of air before entering room; 4)
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For these reasons, the data from individual system evaluations can be accepted but comparison of data for differing systems from different investigators is much more difficult. It should be noted that those papers reporting comparative postoperative sepsis rates of patients operated in a regular operating room versus surgery done in one of the newer systems uniformly showed lower rates for patients done in the newer systems.
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c. Clean rooms of the HEPA filter, laminar air flow, high velocity type reduce airborne bacterial concentrations at least 80 percent when personnel wear conventional garments.
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Ultraviolet light is an acceptable method for reducing operating room airborne bacteria, but sufficient data are not available to justify recommending its widespread apaplication to operating rooms at the present time.
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