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Use of face masks by non-scrubbed operating room staff : a randomized controlled trial.

Webster, Joan, Croger, Sarah, Lister, Carolyn, Doidge, Michelle, Terry, Michael J, & Jones, Ian (2010) Use of face masks by non-scrubbed operating room staff : a randomized controlled trial. ANZ Journal of Surgery, 80(3), pp. 169-173.

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Abstract

Background: Ambiguity remains about the effectiveness of wearing surgical face masks. The purpose of this study was to assess the impact on surgical site infections when non-scrubbed operating room staff did not wear surgical face masks. Design: Randomised controlled trial. Participants: Patients undergoing elective or emergency obstetric, gynecological, general, orthopaedic, breast or urological surgery in an Australian tertiary hospital. Intervention: 827 participants were enrolled and complete follow-up data was available for 811 (98.1%) patients. Operating room lists were randomly allocated to a ‘Mask roup’ (all non-scrubbed staff wore a mask) or ‘No Mask group’ (none of the non-scrubbed staff wore masks). Primary end point: Surgical site infection (identified using in-patient surveillance; post discharge follow-up and chart reviews). The patient was followed for up to six weeks. Results: Overall, 83 (10.2%) surgical site infections were recorded; 46/401 (11.5%) in the Masked group and 37/410 (9.0%) in the No Mask group; odds ratio (OR) 0.77 (95% confidence interval (CI) 0.49 to 1.21), p = 0.151. Independent risk factors for surgical site infection included: any pre-operative stay (adjusted odds ratio [aOR], 0.43 (95% CI, 0.20; 0.95), high BMI aOR, 0.38 (95% CI, 0.17; 0.87), and any previous surgical site infection aOR, 0.40 (95% CI, 0.17; 0.89). Conclusion: Surgical site infection rates did not increase when non-scrubbed operating room personnel did not wear a face mask.

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8 citations in Scopus
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5 citations in Web of Science®

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ID Code: 34283
Item Type: Journal Article
Additional Information: The definitive version is available at http://onlinelibrary.wiley.com
Keywords: masks, protective clothing, surgery, surgical wound infection
DOI: 10.1111/j.1445-2197.2009.05200.x
ISSN: 1445-2197
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > NURSING (111000)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: Copyright 2010 The Authors
Deposited On: 31 Aug 2010 12:19
Last Modified: 01 Mar 2012 00:16

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