European journal of pain : EJP
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Pain has become the most common accompanying symptom in patients seeking medical advice, and it is one of the main issues in public health. In Spain, there are no reliable data about the impact of pain in general population. The aim of the study was to estimate the prevalence of acute and chronic pain in the Spanish general population. ⋯ Regarding treatment, 61.7% of people complaining of pain said they were taking drugs. Source of drug treatment advice was a physician or a nurse in 66.4% of cases and self-prescription in 29%. It is concluded that pain, particularly chronic pain, has a high prevalence in the Spanish general population and a significant impact on occupational and social relationships.
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Past research examined measures of pain among seniors who were experiencing movement-related exacerbations of musculoskeletal pain and obtained clear support for the utility of the behavioural coding of pain-related body movements (e.g., bracing, guarding). Support for the utility of the Facial Action Coding System (FACS), which involves the objective coding of facial reactions, was not as strong. The findings concerning FACS could have been an artifact of the methodology that was used. ⋯ Facial reactions were coded using FACS. Facial reactions varied as a function of the degree to which the various activities were strenuous. The results support the utility of FACS in the assessment of musculoskeletal pain among seniors undergoing rehabilitation following knee surgery.
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Secondary hyperalgesia, an exaggerated response to stimuli applied to undamaged tissue surrounding an injury, is a common consequence of tissue injury and inflammation. It is well established that the etiology of secondary hyperalgesia is sensitization of central neurons but the exact mechanism and its role in certain clinical pain states is unclear. In the present experiments, we studied responses to punctate and non-punctate mechanical stimuli and to heat applied to the plantar aspect of the hindpaw remote to an incision in the gastrocnemius region of the rat hindlimb. ⋯ Reduced withdrawal thresholds were blocked by i.t. administration of morphine and by local anesthetic injection at the test site 2h and 2 days after gastrocnemius incision. These pharmacological data provide evidence that reduced withdrawal thresholds after gastrocnemius incision are nociceptive behaviors indicating persistent secondary hyperalgesia. Because the behaviors have a similar time course to secondary hyperalgesia in postoperative patients, the model will be useful to evaluate the mechanisms for secondary mechanical hyperalgesia after incision, its pharmacological characteristics and its potential role in persistent postoperative pain.
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Two-third of patients with metastatic cancer suffer from pain. Pain originating from skeletal metastases is the most common form of cancer pain. Bone pain, often exacerbated by pressure or movement, limits the patient's autonomy and social life. ⋯ Radiotherapy is used for preventing pathological fracture by treating osteolytic lesions especially in the weight-bearing bones such as the spinal column and long bones. Radiotherapy is the treatment of choice in spinal cord compression, which is the most serious complication caused by bone secondaries. Radiotherapy provides efficient, well-tolerated and cost-effective palliative care.
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The aim of this study is to estimate the prevalence and diagnostic pattern of pain at the primary care level during one year in a group practice. This practice serves the patients of a geographically defined area with approximately 14,000 inhabitants. ⋯ Painful states of the musculoskeletal system constitute more than 2/3 of painful states in primary care. Viewed from a primary care perspective, pain has a great impact on GPs' day-to-day activities and on health economy in general.