A simulation design for research evaluating safety innovations in anaesthesia

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dc.contributor.author Merry, Alan en
dc.contributor.author Weller, Jennifer en
dc.contributor.author Robinson, B en
dc.contributor.author Warman, Guy en
dc.contributor.author Davies, Elaine en
dc.contributor.author Shaw, JP en
dc.contributor.author Cheeseman, James en
dc.contributor.author Wilson, L en
dc.date.accessioned 2014-10-24T03:35:50Z en
dc.date.issued 2008 en
dc.identifier.citation Anaesthesia, 2008, 63 (12), pp. 1349 - 1357 (9) en
dc.identifier.issn 0003-2409 en
dc.identifier.uri http://hdl.handle.net/2292/23334 en
dc.description.abstract It is notoriously difficult to obtain evidence from clinical randomised controlled trials for safety innovations in healthcare. We have developed a research design using simulation for the evaluation of safety initiatives in anaesthesia. We used a standard and a modified scenario in a human-patient simulator, involving a potentially life-threatening problem requiring prompt attention – either a cardiac arrest or a failure in oxygen supply. The modified scenarios involved distractions such as loud music, a demanding and uncooperative surgeon, telephone calls and frequent questions from a medical student. Twenty anaesthetics were administered by 10 anaesthetists. A mean (SD) of 11.3 (2.8) errors per anaesthetic were identified in the oxygen failure scenarios, compared with 8.0 (3.4) in the cardiac arrest scenarios (ANOVA: p = 0.04). The difference between the combined standard scenarios and the combined modified scenarios was not significant. The mean rate of errors overall was 9.7 per simulation, with a pooled SD of 4.46, so in future studies 21 subjects would provide 80% statistical power to show a reduction in error rate of 30% from baseline with p≤0.05. Our research design will facilitate the evaluation of safety initiatives in anaesthesia. en
dc.relation.ispartofseries Anaesthesia en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0003-2409/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title A simulation design for research evaluating safety innovations in anaesthesia en
dc.type Journal Article en
dc.identifier.doi 10.1111/j.1365-2044.2008.05638.x en
pubs.issue 12 en
pubs.begin-page 1349 en
pubs.volume 63 en
dc.identifier.pmid 19032305 en
pubs.end-page 1357 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 79485 en
pubs.org-id Medical and Health Sciences en
pubs.org-id School of Medicine en
pubs.org-id Anaesthesiology en
pubs.org-id Cent Medical & Hlth Sci Educat en
dc.identifier.eissn 1365-2044 en
pubs.record-created-at-source-date 2010-09-01 en
pubs.dimensions-id 19032305 en


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