European journal of pain : EJP
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Pain and insomnia are both independently associated with work disability. Although pain and insomnia often co-occur, their joint associations with subsequent sickness absence and disability retirement have not been studied. We aimed to examine these associations in two prospective occupational cohorts while considering key covariates. ⋯ This study is the first to report the separate and combined effects of pain and insomnia on objective health outcomes. Common patterns observed in two separate cohorts suggest that the combination of pain and insomnia might be particularly relevant for subsequent disability retirement.
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Chronic pain poses numerous challenges for patients and providers, particularly when opioid treatment is discussed. Despite accounts of antagonistic patient-provider communication, little is known about how communication about opioids unfolds during clinic visits and, importantly, how the relationship history of a patient and physician shapes this communication. This study's objective was to advance understanding of communication about opioid treatment by recording primary care clinic visits and conducting in-depth interviews with patients to gain insight into the patient–provider relationship and its influence on clinical communication. ⋯ Understanding how patients and providers discuss opioid treatment is critical for optimal pain treatment. Physicians might be able to improve communication by re-framing treatment discussions about opioids around external factors, such as benefits and harms, and engaging in communication that fosters a strong therapeutic alliance and emphasizes concern for the patient.
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The aim was to investigate influence from variations in intensity of a painful conditioning stimulation (CS) on early (0-6 min) and prolonged (6-12 min) conditioned pain modulation (CPM) in volunteers during concurrent exposure to test stimuli (TS). CS was applied to either forearm using painful heat with an intensity of 2/10 and 5/10, respectively, rated on a 0-10 numerical pain rating scale. At a second session, CS with an intensity of 7/10 was applied to the arm using a tourniquet. Threshold and suprathreshold painful heat and pressure as well as painful repeated monofilament pricking (RMP) were assessed as TS. ⋯ The CS intensity and the duration of CPM modulated pain sensitivity differentially across TS modalities.
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Offset analgesia (OA) is a pain-inhibiting mechanism, defined as a disproportionately large decrease in pain perception in response to a discrete decrease in noxious stimulus intensity. Hence, the aims were (1) to investigate whether psychophysics and electroencephalography (EEG) can be assessed simultaneously during OA and (2) to assess whether OA is reproducible within the same day as well as between different days. ⋯ OA is a robust and reproducible model for experimental pain research, making it suitable for future research.