European journal of pain : EJP
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Low back pain (LBP) is a global public health challenge, which causes high healthcare costs and the highest burden on society in terms of years lived with disability. While patients' expectations for improvement may have effects on LBP treatment outcomes, it remains unclear if psychological profiles modify this relationship. Therefore, the objectives of this study were to investigate if (a) patients' expectations predicted short-term outcome, and (b) psychological profile, pain intensity and self-rated health modified the relationship between expectations and outcome. ⋯ This study confirms the importance of patients' expectations in a clinical setting. Patients' expectations predict the short-term outcome of chiropractic care for LBP. Pain intensity, psychological profile and self-rated health did not modify this relationship.
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Evaluating outcomes in routine clinical practice is a significant challenge for specialist pain clinics due to the complexity of interventions provided and the subjective nature of pain. This study reports findings from implementation of Patient Reported Outcomes (PROMs) in pain clinics in England and Wales between 2011 and 2013. ⋯ No nationwide evaluation of the effectiveness of specialist pain clinics had previously been attempted. Comparison of patient outcomes from services enables improvement. This work provides a platform to improve methods of routine PROMs capture in pain clinics, measure clinical effectiveness and identify areas for potential research.
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Review Meta Analysis
A systematic review and meta-analysis of memantine for the prevention or treatment of chronic pain.
N-methyl-D-aspartate (NMDA) receptors are involved in pain signalling and neuroplasticity. Memantine has been shown to have analgesic properties in pre-clinical and small clinical studies. We conducted a systematic review and meta-analysis to assess the efficacy of memantine to prevent or reduce chronic pain. ⋯ Despite a sound rationale, the benefit of using memantine for chronic pain is unclear. Our systematic review and meta-analysis show that memantine may have the potential to decrease pain. However, it can also increase common adverse effects. Considering the small number of studies with potential for bias and inconclusive evidence, there was low to very low certainty. Hence, no clear recommendations can be made about its routine clinical use until larger and more definitive studies are conducted.
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Splinting is a quite common intervention for the first carpometacarpal (CMC) osteoarthritis, however, underlying mechanisms of biomechanical and analgesic effects has not been fully investigated. The aim of this study was to develop an experimental basal thumb pain model and to elucidate the effects of CMC splinting on the pain profile and motor function. ⋯ Newly developed experimental basal thumb pain model decreased tip pinch strength approximately 50%, concomitant with the reduction of intrinsic muscle activities. Splinting for the first carpometacarpal joint significantly improved experimental pain, loss of pinch strength and inhibited intrinsic muscle activity compared with bare hand.