ArticleAnnals of the Royal College of Surgeons of England2022
Changes in orthopaedic operating theatre practice, monitored using settle plates.
Article in Annals of the Royal College of Surgeons of England, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors at 2 institutions in 1 country.
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Abstract
introductionThe importance of ultraclean air in reducing deep infection was studied by Charnley who showed that the rate decreased as the airborne bacterial load was reduced. The effectiveness was shown in a large Medical Research Council (MRC) trial, but registry data have not shown a consistent benefit. Because we treat patients with rheumatoid arthritis, we decided to look at our theatre air quality.
methodsIn phase 1 we monitored air quality using settle plates, exposed for one hour after the incision, on the instrument trolleys in a joint replacement theatre. In phase 1 the scrub person did not wear a body exhaust system. In phase 2 all three staff used a body exhaust system, and we played close attention to the orientation and position of the surgical lights and trolleys.
resultsIn phase 1 we grew 0.24 colonies/plate/hour in the ultraclean zone, which is comparable to the Charnley trial findings. In the second phase we grew 0.03 colonies/plate/hour ( DISCUSSION: The study showed that in phase 1 colony counts comparable to the original Charnley studies were achieved. Colony counts of 0.03 colonies/plate/hour can be achieved in contemporary practice, with all team members using body exhausts.
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