Pain
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Meta Analysis
Positive affect and chronic pain: a preregistered systematic review and meta-analysis.
Chronic noncancer pain (CNCP) is a significant health burden among adults. Standard behavioral therapies typically focus on targeting negative affect (NA) and yield only modest treatment effects. The aims of this study were to systematically review and investigate the association between positive affect (PA) and pain severity among adults with CNCP. ⋯ Subgroup analyses showed a significant effect for gender and marginally significant effects for age in studies that adjusted for NA. On average, effect sizes for observational studies were larger in studies with a higher proportion of female respondents and in studies that did not adjust for NA. Finally, larger effect sizes were found in intervention studies with older compared with younger samples.
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This review identified prospective cohort studies in the general population, which showed incidence (23 papers) and risk factors (37 papers) for fibromyalgia and chronic widespread pain. Median incidence of physician diagnosed fibromyalgia in the general population was 4.3 per 1000 person-years (range = 0.33-18.8) but 14.0 (1.2-32.7) if medical illness was present. ⋯ The strongest associations were with sleep disorders, headaches and other pains, depression, and illness behaviour. These data suggest strongly that there are many aetiological routes into fibromyalgia, and future research could be enhanced by studying the underlying mechanisms relating to these risk factors.
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Clinical practice guidelines recommend a biopsychosocial approach for the management of musculoskeletal pain conditions, but physiotherapists have reported feeling inadequately trained and lacking in confidence to deal with psychosocial issues. Although a growing number of studies are exploring physiotherapists' perceptions of biopsychosocial training, the results have not been synthesized. Therefore, the aim of this systematic review and metasynthesis of qualitative studies was to explore physiotherapists' perceptions of learning and implementing a biopsychosocial intervention to treat musculoskeletal pain conditions. ⋯ Four main themes emerged from the data: changed understanding and practice, professional benefits, clinical challenges, and learning requirements. The results of this study indicate that although the physiotherapists reported a shift towards more biopsychosocial and person-centered approaches, the training interventions did not sufficiently help them feel confident in delivering all the aspects. Planning future implementation interventions and training physiotherapists through a biopsychosocial approach should focus on adequate training and individualized mentoring related to psychosocial factors, and discussion of role boundaries, patient expectations, and organizational factors such as time constraints and referral pathways.