• Hanne Marie Rostad, Inger Utne, Ellen Karine Grov, Milada Cvancarova Småstuen, Martine Puts, and Liv Halvorsrud.
• OsloMet - Oslo Metropolitan University, Oslo, Norway. Electronic address: hanmar@oslomet.no.
• Int J Nurs Stud. 2018 Aug 1; 84: 52-60.

BackgroundPain is highly prevalent in older adults, especially those in institutional settings such as nursing homes. The presence of dementia may increase the risk of underdiagnosed and undertreated pain. Pain assessment tools are not regularly used in clinical practice, however, there are indications that the regular use of pain assessments tools may influence the recognition of pain by nursing staff and thereby affect pain management.ObjectivesTo assess whether regular pain assessment using a pain assessment tool is associated with changes in i) pain scores and ii) analgesic use in nursing home residents with severe dementia.DesignCluster-randomised controlled trial.SettingThe study was conducted in 16 nursing homes in four counties in Norway.ParticipantsA total of 112 nursing home residents aged 65 years and older with dementia who lacked the capacity for self-reporting pain or were non-verbal.MethodsThe experimental group were regularly assessed pain with a standardised pain scale (the Doloplus-2) twice a week for a 12-week intervention period. The control group received usual care. The primary outcome was pain score measured with the Doloplus-2, and the secondary outcome was analgesic use (oral morphine equivalents and milligram/day paracetamol). Data on the outcomes were collected at baseline and at the end of week 12. The nursing staff in both the experimental and the control groups received training to collect the data. Linear mixed models were used to assess possible between-group difference over time.ResultsNo overall effect of regular pain assessment was found on pain score or analgesic use. The mean score of Doloplus-2 and analgesic use remained unchanged and above the established cut-off in both groups.ConclusionThe current intervention did not change analgesic use or pain score compared with the control condition. However, there is not sufficient evidence to conclude that regular pain assessment using a pain assessment tool is not clinically relevant. Furthermore, our results indicated that pain continued to be inadequately treated in nursing home residents with severe dementia. Therefore, further research on how standardised pain assessment can be used to support effective pain management in this population is needed.Copyright © 2018 Elsevier Ltd. All rights reserved.

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