Objective To determine whether a systematic approach to the treatment of pain can reduce agitation in people with moderate to severe dementia living in nursing homes.Design Cluster randomised controlled trial.
Background: Depression is common in nursing home (NH) patients with dementia, and often clustered with anxiety and other mood symptoms. An association between pain and depressive symptoms has been reported, but the impact of pain management on depression and other mood symptoms has not been investigated. Objective: Secondary analyses of a cluster randomized clinical trial examine the response of dementia-related mood symptoms to a Stepwise Protocol of Treating Pain. Method: Three-hundred fifty-two patients with moderate and severe dementia and significant behavioural disturbances, related to 60 clusters (i.e. clusters defined as single independent NH units) in 18 NHs of Western Norway, were included. All patients in the intervention group received individual daily pain treatment with paracetamol, extended release morphine, buprenorphine transdermal patch or pregabaline for 8 weeks, with additional follow-up assessment 4 weeks after completion of the intervention. Clusters randomized to control received usual treatment. A mood cluster consisting of depression, anxiety, sleep disorders, apathy and appetite items from the Neuropsychiatric Inventory-Nursing Home (NPI-NH) was the primary outcome. Results: Analysed by Mann-Whitney U-tests, Stepwise Protocol of Treating Pain conferred significant benefit in treatment of the NPI-NH mood cluster (F = 13.4, df = 1;299, p < 0.001) and depression (F = 2.0, df = 1;301, p = 0.025). Further analyses highlighted improvements in apathy (F = 5.3, df = 1;300, p = 0.017), night-time behaviours (F = 3.1, df = 1;301, p = 0.050), and appetite items (F = 11.6, df = 1;301, p = 0.005), but not irritability (p = 0.092) and anxiety (p = 0.125). Conclusion: Mood symptoms including depression significantly improved with pain treatment, emphasizing the importance of more rigorous treatment of pain in agitated people with dementia. Findings have potentially immediate clinical relevance. #
BackgroundPain is frequent and distressing in people with dementia, but no randomized controlled trials have evaluated the effect of analgesic treatment on pain intensity as a key outcome.MethodsThree hundred fifty-two people with dementia and significant agitation from 60 nursing home units were included in this study. These units, representing 18 nursing homes in western Norway, were randomized to a stepwise protocol of treating pain (SPTP) or usual care. The SPTP group received acetaminophen, morphine, buprenorphine transdermal patch and pregabalin for 8 weeks, with a 4-week washout period. Medications were governed by the SPTP and each participant's existing prescriptions. We obtained pain intensity scores from 327 patients (intervention n = 164, control n = 163) at five time points assessed by the primary outcome measure, Mobilization-Observation-Behaviour-Intensity-Dementia-2 (MOBID-2) Pain Scale. The secondary outcome was activities of daily living (ADL). We used a linear intercept mixed model in a two-way repeated measures configuration to assess change over time and between groups.ResultsThe SPTP conferred significant benefit in MOBID-2 scores compared with the control group [average treatment effect (ATE) −1.388; p < 0.001] at week 8, and MOBID-2 scores worsened during the washout period (ATE = −0.701; p = 0.022). Examining different analgesic treatments, benefit was conferred to patients receiving acetaminophen compared with the controls at week 2 (ATE = −0.663; p = 0.010), continuing to increase until week 8 (ATE = −1.297; p < 0.001). Although there were no overall improvements in ADL, an increase was seen in the group receiving acetaminophen (ATE = +1.0; p = 0.022).ConclusionPain medication significantly improved pain in the intervention group, with indications that acetaminophen also improved ADL function.What's already known about this topic?Many people with dementia experience pain regularly, but are not able to communicate this to their carers or physicians due to the limited self-report capacity inherent in the symptomatology of dementia.Few studies have investigated the direct effect of pain treatment on pain intensity in patients suffering from dementia, with previous studies using proxy measures of behavioural symptoms.What does this study add?A stepwise protocol to treat pain in nursing home residents with moderate to severe dementia significantly reduced pain intensity.Pain treatment by acetaminophen improved activities of daily living.There is an urgent need for a standardized approach to assessment and treatment of pain for nursing home residents with dementia.
the analgesic drug prescription increased significantly from 2000 to 2011, especially the use of paracetamol and strong opioids. We also highlight a possible change from under-prescription of analgesic medication in people with dementia, to an equal amount compared with patients without cognitive impairment.
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