Traffic flow and microbial air contamination in operating rooms at a major teaching hospital in Ghana

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dc.contributor.authorStauning, M.T.
dc.contributor.authorBediako-Bowan, A.
dc.contributor.authorAndersen, L.P.
dc.contributor.authorOpintan, J.A.
dc.contributor.authorLabi, A.K.
dc.contributor.authorKurtzhals, J.A.L.
dc.contributor.authorBjerrum, S.
dc.date.accessioned2019-02-04T12:28:56Z
dc.date.available2019-02-04T12:28:56Z
dc.date.issued2018-07
dc.description.abstractBackground: Current literature examining the relationship between door-opening rate, number of people present, and microbial air contamination in the operating room is limited. Studies are especially needed from low- and middle-income countries, where the risk of surgical site infections is high. Aim: To assess microbial air contamination in operating rooms at a Ghanaian teaching hospital and the association with door-openings and number of people present. Moreover, we aimed to document reasons for door-opening. Methods: We conducted active air-sampling using an MAS 100® portable impactor during 124 clean or clean-contaminated elective surgical procedures. The number of people present, door-opening rate and the reasons for each door-opening were recorded by direct observation using pretested structured observation forms. Findings: During surgery, the mean number of colony-forming units (cfu) was 328 cfu/m3 air, and 429 (84%) of 510 samples exceeded a recommended level of 180 cfu/m3. Of 6717 door-openings recorded, 77% were considered unnecessary. Levels of cfu/m3 were strongly correlated with the number of people present (P = 0.001) and with the number of door-openings/h (P = 0.02). In empty operating rooms, the mean cfu count was 39 cfu/m3 after 1 h of uninterrupted ventilation and 52 (51%) of 102 samples exceeded a recommended level of 35 cfu/m3. Conclusion: The study revealed high values of intraoperative airborne cfu exceeding recommended levels. Minimizing the number of door-openings and people present during surgery could be an effective strategy to reduce microbial air contamination in low- and middle-income settings. © 2017 The Author(s)en_US
dc.identifier.otherDOI: 10.1016/j.jhin.2017.12.010
dc.identifier.urihttp://ugspace.ug.edu.gh/handle/123456789/27207
dc.language.isoenen_US
dc.publisherJournal of Hospital Infectionen_US
dc.subjectAirborne bacteriaen_US
dc.subjectInfection controlen_US
dc.subjectLow- and middle-income countriesen_US
dc.subjectOperating roomsen_US
dc.subjectStaff behaviouren_US
dc.subjectTraffic flowen_US
dc.titleTraffic flow and microbial air contamination in operating rooms at a major teaching hospital in Ghanaen_US
dc.typeArticleen_US

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