European journal of pain : EJP
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It is unknown how familial factors influence the recovery from low back pain (LBP) and the maintenance activity behaviours. We aimed to investigate whether individual and within-family physical activity (PA) and sedentary behaviour influenced recovery from LBP, and maintenance of PA and sedentary behaviour in people with and without LBP. ⋯ This study was the first to investigate how familial activity behaviours influence recovery from LBP and ongoing activity behaviours. People with LBP living within a sedentary family likely require specific interventions to reduce their sedentary behaviours.
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Reports of the overall chronic pain prevalence and its associated demographic characteristics among adolescents vary greatly across existing studies. Using internationally comparable data, this study investigates age, sex and country-level effects in the prevalence of chronic single-site and multi-site pain among adolescents during the last six months preceding the survey. ⋯ Chronic pain co-occurrence is common during adolescence across countries, the prevalence being among girls and in older age groups. Significant cross-country variations in the chronic pain prevalence and chronic pain patterns among adolescents exist. Significant country differences emerge for specific chronic pain patterns in association with adolescent demographics.
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Actigraphy is a quantitative method for the investigation of human physical activity and is normally based on accelerometric and/or kinematic data. ⋯ People with chronic pain move differently. Movement quality is difficult to evaluate during daily activities, yet it may prove more informative than quantitative measurements. We proposed a new approach for computing movement complexity and found out that patients' movements get more stereotyped when higher spinal acceleration is required.
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Withdrawal symptoms have been widely shown to be a useful indicator of the severity of opioid dependence. One of the most used instruments to assess them is the Adjective Rating Scale for Withdrawal (ARSW). However, there is a lack of adaptations and validations for its use with prescription opioids, even less for chronic pain patients under treatment with these analgesics. Thus, the aims of this study were to analyse the psychometric properties and invariance across gender of the ARSW in a sample of chronic noncancer pain patients. ⋯ Findings supported the reliability and validity of the ARSW to assess withdrawal of prescription opioids in individuals with chronic noncancer pain. The instrument can be applied indistinctly in men and women. An increase in the ARSW scores could be used as an indicator of potential risk of prescription opioid-use disorder during long-term treatments.
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Observational Study
Blood monoamines as potential biomarkers for conditioned pain modulation efficacy: An exploratory study in paediatrics.
Monoaminergic pathways are involved in the process of pain inhibition and facilitation. The objective of this study was to investigate the role of blood monoamines as biomarkers of conditioned pain modulation (CPM) efficacy. ⋯ We were able to demonstrate an association between CPM and circulating monoamines. In the clinical setting, sampling ME could provide the clinician an idea of the individual's pain modulation potential. This may be particularly important for children with cognitive impairment, for whose CPM paradigm cannot be used.