Best practice & research. Clinical rheumatology
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Chronic pain states are common in the general population. Genetic factors can explain a significant amount of the variability in the perception of pain. Fibromyalgia syndrome (FMS) and related conditions are syndromes characterized by generalized pain sensitivity as well as a constellation of other symptoms. ⋯ Environmental factors may trigger the development of these disorders in genetically predisposed individuals. Future large well-designed studies are needed to further clarify the role of genetic factors in FMS and related conditions. The knowledge of these gene polymorphisms may help with better subgrouping of FMS patients and in designing a more specific pharmacologic treatment approach.
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This chapter reviews the impact of chronic musculoskeletal pain on patients' health-related quality of life. In addition to the physical health consequences, chronic musculoskeletal pain can have a profound negative impact on an individual's emotional and social well-being. Although efforts in the health sector are obviously of crucial importance in the management of chronic musculoskeletal pain, a high level of patient and societal involvement is key to reducing the burden of this condition. ⋯ Family members should encourage their loved ones to be as independent as possible. The employer of a person with chronic musculoskeletal pain has a vital role in returning him or her to work as soon as possible. Removing all barriers to the use of preventive and therapeutic services will help us to reduce the burden of musculoskeletal pain conditions on both patients and society.
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This chapter defines and describes the condition that is known by the term myofascial trigger point pain syndrome. An outline is given of the current state of knowledge of the pathophysiology of myofascial trigger points, including the latest details from needle microdialysis in near real-time. The clinical features of this pain syndrome are summarised in general terms and the reliability of the clinical diagnosis is discussed. The clinical evidence for and against the common therapeutic interventions used in the management of myofascial pain is reviewed in detail and some tentative conclusions are reached with respect to needling therapies.
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Many soft tissue complaints are associated with the development of neuropathic pain. This pain is produced by pathophysiological processes that are different to the processes involved in the generation of the inflammatory or nociceptive pain more commonly encountered in soft tissue disorders. One of the consequences of this is that neuropathic pain can often be less responsive to standard analgesic therapies. ⋯ This chapter aims to outline some of the clinical features associated with neuropathic pain, the aetiological factors leading to its development and the evidence base (or lack) behind current treatment strategies. It will try to provide a rational approach to the management of neuropathic pain in patients with soft tissue disorders, particularly focusing on pharmacological management. Neuropathic pain is the focus of much current research activity, particularly pharmacological research, and this chapter will attempt to identify gaps in our clinical knowledge and highlight opportunities for further research.
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Muscle injuries are one of the most common traumas occurring in sports. Despite their clinical importance, there are only a few clinical studies on the treatment of muscle injuries. Lack of clinical studies is most probably attributable to the fact that there is not only a high heterogeneity in the severity of injuries, but also the injuries take place in different muscles, making it very demanding to carry out clinical trials. ⋯ However, the duration of immobilisation should be limited to a period sufficient to produce a scar of sufficient strength to bear the forces induced by remobilisation without re-rupture and the return to activity (mobilisation) should then be started gradually within the limits of pain. Early return to activity is needed to optimise the regeneration of healing muscle and recovery of the flexibility and strength of the injured skeletal muscle to pre-injury levels. The rehabilitation programme should be built around progressive agility and trunk stabilisation exercises, as these exercises seem to yield better outcome for injured skeletal muscle than programmes based exclusively on stretching and strengthening of the injured muscle.