Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/30200
Title: Impact of a policy to improve the management of oral medications when patients are fasting before a procedure: an interrupted time series analysis.
Austin Authors: To, The-Phung ;Braat, Sabine;Lim, Andrew Boon Ming ;Brien, Jo-Anne;Heland, Melodie J ;Hardidge, Andrew J ;Story, David A 
Affiliation: Orthopaedic Surgery..
Anaesthesia..
Division of Surgery, Anaesthesia and Procedural Medicine..
Pharmacy..
Department of Critical Care, The University of Melbourne, Melbourne, Victoria, Australia..
Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia..
St Vincent's Hospital Clinical School, Faculty of Medicine, University of New South Wales, St Vincent's Hospital Clinical School, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia..
Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia..
Department of Critical Care, The University of Melbourne, Melbourne, Victoria, Australia..
Anaesthesia, Eastern Health Foundation, Box Hill, Victoria, Australia..
Issue Date: May-2022
Publication information: BMJ open quality 2022-05; 11(2): e001768.
Abstract: Managing medications inappropriately when patients have oral intake restrictions can cause patient harm. This study evaluated the impact of a medication policy separating fasting from nil by mouth with respect to giving oral medications in patients fasting before a diagnostic or interventional procedure. The policy stipulated that 'fasting' means oral medications should be given with a sip of water up to 1 hour before a procedure, unless there is a clinical reason to withhold, while 'nil by mouth' means nothing to be given orally, including medications.The policy was implemented in Surgical areas in February 2015 and Medical areas in March 2015 at a tertiary referral hospital in Melbourne, Australia, and included bedside signs, clinical champions and education sessions.The study was conducted in 2020. Admission and medication records were matched for non-elective procedure patients from January 2014 to May 2016. The monthly proportion of doses omitted inappropriately and overall omissions pre/post-policy implementation were compared using segmented regression. Pre-implementation, the proportion of doses withheld inappropriately and total omissions in medical areas were 18.1% and 28.0%, respectively. Post-implementation, an absolute reduction of 13.4% (95% CI 9.0% to 17.7%) and 11.1% (95% CI 2.6% to 19.6%), respectively, was seen. Post-implementation linear trend showed a 0.3% (95% CI 0.0% to 0.6%) increase in inappropriate omissions but not overall omissions.In Surgical areas, pre-implementation proportions for inappropriate and overall omissions were lower than Medical areas'. Post-implementation, there was an absolute decrease in doses withheld inappropriately (8.3%, 95% CI 0.8% to 15.7%, from 11.9% pre-implementation) but not total omissions. Distinguishing fasting from nil by mouth appeared to provide clarity for some staff: a reduction in inappropriate omissions was seen post-implementation. Although the small increase in post-implementation linear trend for inappropriate omissions in Medical areas suggests sustainability issues, total omissions were sustained. The policy's concepts require verification beyond our institution.
URI: https://ahro.austin.org.au/austinjspui/handle/1/30200
DOI: 10.1136/bmjoq-2021-001768
ORCID: 0000-0003-4699-0495
0000-0003-1997-3999
0000-0002-6479-1310
0000-0002-1036-9974
Journal: BMJ open quality
PubMed URL: 35577400
PubMed URL: https://pubmed.ncbi.nlm.nih.gov/35577400/
Type: Journal Article
Subjects: fasting
medication errors
quality improvement
regression analysis
surgical procedures
Appears in Collections:Journal articles

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