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Assessing potentially inappropriate prescribing (PIP) and predicting patient outcomes in Ontario's older population: a population-based cohort study applying subsets of the STOPP/START and Beers' criteria in large health administrative databases
Univ Ottawa, Dept Family Med, Ottawa, ON, Canada.;Bruyere Res Inst, Ottawa, ON, Canada.;ICES uOttawa, Ottawa, ON, Canada.;Univ Ottawa, Sch Epidemiol Publ Hlth & Prevent Med, Ottawa, ON, Canada..
Univ Ottawa, Sch Epidemiol Publ Hlth & Prevent Med, Ottawa, ON, Canada.;Ottawa Hosp, Res Inst, Ottawa, ON, Canada..
Univ Dublin Trinity Coll, Econ & Social Res Inst, Dublin 2, Ireland..
Royal Coll Surgeons Ireland, Sch Pharm, Dublin 2, Ireland..
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2015 (English)In: BMJ Open, ISSN 2044-6055, E-ISSN 2044-6055, Vol. 5, no 11, e010146Article in journal (Refereed) Published
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Abstract [en]

Introduction: Adverse drug events (ADEs) are common in older people and contribute significantly to emergency department (ED) visits, unplanned hospitalisations, healthcare costs, morbidity and mortality. Many ADEs are avoidable if attention is directed towards identifying and preventing inappropriate drug use and undesirable drug combinations. Tools exist to identify potentially inappropriate prescribing (PIP) in clinical settings, but they are underused. Applying PIP assessment tools to population-wide health administrative data could provide an opportunity to assess the impact of PIP on individual patients as well as on the healthcare system. This would open new possibilities for interventions to monitor and optimise medication management on a broader, population-level scale. Methods and analysis: The aim of this study is to describe the occurrence of PIP in Ontario's older population (aged 65 years and older), and to assess the health outcomes and health system costs associated with PIP-more specifically, the association between PIP and the occurrence of ED visits, hospitalisations and death, and their related costs. This will be done within the framework of a population-based retrospective cohort study using Ontario's large health administrative and population databases. Eligible patients aged 66 years and older who were issued at least 1 prescription between 1 April 2003 and 31 March 2014 (approximately 2 million patients) will be included. Ethics and dissemination: Ethical approval was obtained from the Ottawa Health Services Network Ethical Review Board and from the Bruyere Research Institute Ethics Review Board. Dissemination will occur via publication, presentation at national and international conferences, and ongoing exchanges with regional, provincial and national stakeholders, including the Ontario Drug Policy Research Network and the Ontario Ministry of Health and Long-Term Care.

Place, publisher, year, edition, pages
2015. Vol. 5, no 11, e010146
National Category
Pharmaceutical Sciences Pharmacology and Toxicology
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URN: urn:nbn:se:uu:diva-280123DOI: 10.1136/bmjopen-2015-010146ISI: 000368840100011PubMedID: 26608642OAI: oai:DiVA.org:uu-280123DiVA: diva2:910057
Available from: 2016-03-08 Created: 2016-03-08 Last updated: 2017-11-30Bibliographically approved

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