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BackgroundThe Improving the Wellbeing of people with Opioid Treated CHronic pain (I-WOTCH) randomised controlled trial found that a group-based educational intervention to support people using strong opioids for chronic non-malignant pain helped a significant proportion of people to stop or decrease opioid use with no increase in pain-related disability. We report a linked process evaluation of the group-based intervention evaluated in comparison to a usual-care control group that received a self-help booklet and relaxation CD.MethodsWe interviewed 18 intervention facilitators, and 20 intervention and 20 control participants who had chronic non-malignant pain and were recruited from general (family) practices in the UK. Quantitative data included change mechanism questions on the trial questionnaires which explored motivation, expectations and self-efficacy. Fidelity was assessed by listening to a sample of audio-recorded group sessions and nurse consultations. Quantitative and qualitative data were integrated using ‘follow a thread’ and a mixed-methods matrix.FindingsFour overarching themes emerged: (1) the right time to taper, (2) the backdrop of a life with chronic pain, (3) needing support and (4) the benefits of being in a group. Delivery fidelity was good, adherence (83%) and competence (79%) across a range of intervention groups. Staff delivering the intervention found three typical responses to the intervention: resistance, open to trying and feeling it was not the right time. The group experience was important to those in the intervention arm. It provided people with a forum in which to learn about the current thinking about opioid usage and its effects. It also gave them examples of how feasible or personally relevant coming off opioids might be.ConclusionThe process evaluation data showed that the I-WOTCH intervention was well delivered, well received and useful for most interviewees. Being ‘the right time’ to taper and having support throughout tapering, emerged as important factors within the context of living with chronic pain.Trial registration numberISRCTN49470934.

Disturbed sleep is strongly correlated with chronic pain. The aim of this study was to examine the association between sleep disturbance and incident joint pain focusing on neuropathic-like pain symptoms. A total of 423 individuals who had undergone total joint replacement (TJR) for osteoarthritis were assessed at the mean time of 3.6 years post-surgery and again at 5.9 years post-TJR, using the Medical Outcomes Survey sleep subscale, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and painDETECT questionnaire instruments. Cox hazard ratios (HRs) and 95% confidence intervals (CIs) were computed adjusting for age, body mass index, sex, and use of hypnotic and analgesic medication. The presence of neuropathic pain symptoms predicted incidence of disturbed sleep after adjustment for covariates and pain severity (adjusted HR [aHR] 2.01, 95% CI: 1.00-4.10; <0.05). There was no association between joint pain and incidence of disturbed sleep when individuals with neuropathic pain symptoms at the baseline visit were excluded (aHR 1.11, 95% CI: 0.47-2.67). Disturbed sleep at baseline predicted incident neuropathic joint pain symptoms (aHR 2.75, 95% CI: 1.21-6.26; <0.016) but had no effect on incidence of joint pain when all types of pain were considered together (aHR 0.63, 95% CI: 0.30-1.39). These data suggest a causal bidirectional link between sleep disturbance and joint pain with neuropathic features but not with other types of joint pain.

Background: Despite an obvious link between social anxiety and acute state of insomnia, chronic types of sleep disturbances in people with social phobia have so far received limited research/clinical attention. This case report aims to illustrate the possibility of rectifying sleep disturbances comorbid with social phobia, using a brief cognitive behaviour therapy for insomnia (CBT-I). Method: Treatment involved five sessions of CBT-I provided individually on a weekly basis. Major treatment components included psychoeducation, sleep restriction therapy, stimulus control and cognitive restructuring. Results: Treatment effects were assessed using sleep diary and questionnaires over the course of the treatment and at ~9 month follow-up. The results were encouraging with all targeted sleep parameters demonstrating improvements that met dual criteria for clinical significance. The gains were well maintained even at ~9 months after treatment. These improvements in sleep were accompanied by a reduction in sleep-related anxiety and dysfunctional beliefs and attitudes about sleep. Whilst the patient also reported a corresponding improvement in daytime functioning and general anxiety, no gains were observed in depression and social anxiety. Conclusions: These findings highlight the potential benefits of incorporating brief CBT-I into existing treatments for social phobia and encourage further research on the intricate relationship between sleep, mood and social anxiety.

Background Promoting physical activity is key to the management of chronic pain, but little is understood about the factors facilitating an individual's engagement in physical activity on a day-to-day basis. This study examined the within-person effect of sleep on next day physical activity in patients with chronic pain and insomnia. Methods 119 chronic pain patients monitored their sleep and physical activity for a week in their usual sleeping and living environment. Physical activity was measured using actigraphy to provide a mean activity score each hour. Sleep was estimated with actigraphy and an electronic diary, providing an objective and subjective index of sleep efficiency (A-SE, SE) and a sleep quality rating (SQ). The individual and relative roles of these sleep parameters, as well as morning ratings of pain and mood, in predicting subsequent physical activity were examined in multilevel models that took into account variations in relationships at the 'Day' and 'Participant' levels. Results Of the 5 plausible predictors SQ was the only significant within-person predictor of subsequent physical activity, such that nights of higher sleep quality were followed by days of more physical activity, from noon to 11pm. The temporal association was not explained by potential confounders such as morning pain, mood or effects of the circadian rhythm. Conclusions In the absence of interventions, chronic pain patients spontaneously engaged in more physical activity following a better night of sleep. Improving nighttime sleep may well be a novel avenue for promoting daytime physical activity in patients with chronic pain.

  A thinking process central to the etiology of emotional disorders, rumination is commonly observed in chronic pain. However, very little is understood about the characteristics of pain-related rumination and the mechanisms through which rumination impacts on pain perception and disability. This study began investigating this cognitive phenomenon by qualitatively examining chronic pain patients ’ experience of rumination. Semistructured interviews were conducted with 20 chronic pain patients. Themes were extracted from interview transcripts using thematic analysis. Six themes were extracted from interviews with frequent ruminators. These elucidated the pattern of rumination and suggested a reciprocal relationship of rumination with not only pain, but also negative emotions and sleeplessness. Frequent ruminators appeared to hold positive beliefs about rumination and negative beliefs about self in overcoming pain. Two themes were extracted from interviews with infrequent ruminators: implicating negative beliefs about rumination and the flexible use of disengagement strategies in these individuals. Rumination occurs frequently and can be easily triggered by pain, negative emotions and sleeplessness in patients who lack alternative coping strategies and believe rumination is a way to problem-solve. A tentative model of pain-related rumination has been proposed, outlining interesting hypotheses for rigorous empirical investigations.

Background. This paper reviews and integrates the growing literature concerning the prevalence of and risk factors for suicidality in chronic pain. Method. A series of systematic searches in MEDLINE and PsychINFO identified 12 relevant articles examining suicide, suicide attempts, and suicidal ideation in chronic pain. A selection of theoretical and empirical work identifying psychological processes that have been implicated in both the pain and suicide literature and which may be related to increased suicidality was also reviewed. Results. Relative to controls, risk of death by suicide appeared to be at least doubled in chronic pain patients. The lifetime prevalence of suicide attempts was between 5% and 14% in individuals with chronic pain, with the prevalence of suicidal ideation being ~20%. Eight risk factors for suicidality in chronic pain were identified, including the type, intensity and duration of pain and sleep-onset insomnia co-occuring with pain, which appeared to be pain-specific. Helplessness and hopelessness about pain, the desire for escape from pain, pain catastrophizing and avoidance, and problem-solving deficits were highlighted as psychological processes relevant to the understanding of suicidality in chronic pain. Conclusions. Programmatic research is urgently required to investigate the role of both general and pain-specific risk factors for suicidality, to examine how the psychological processes mentioned above mediate or exacerbate suicidality, and to develop enhanced interventions for pain patients at risk.