Current pain and headache reports
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Curr Pain Headache Rep · Apr 2001
ReviewPsychological assessment and treatment of patients with neuropathic pain.
Studies on the psychological assessment and treatment of neuropathic pain conditions, including postherpetic neuralgia (PHN), diabetic neuropathy, complex regional pain syndrome, post spinal cord injury, post amputation, and AIDS-related neuropathy, are reviewed. Although limited information is currently available, the findings are consistent with the larger literature on chronic pain and indicate that the assessment of neuropathic pain needs to include measurement of multiple dimensions of quality of life. ⋯ Case series of successful treatment of neuropathic pain are reported, primarily in the area of biofeedback. As with other chronically painful conditions, it is likely that cognitive-behavioral interventions will improve the quality of life in neuropathic pain conditions.
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Migraine is a highly prevalent headache disorder that has a substantial impact on the individual and society. Over the past decade, substantial advances in research have increased understanding of the pathophysiology, diagnosis, epidemiology, and treatment of the disorder. This article reviews data on the epidemiology and impact of migraine. It also highlights the increased awareness of migraine, citing examples from the popular media and the Internet.
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Drug selection for the acute treatment of migraine is based on comorbid disorders, coexistent diseases, and the patient's pain profile and specific needs and expectations. Patients should be instructed to tailor their treatment strategy to meet their specific needs by varying their medications according to pain intensity. This will aid in successful headache management, by increasing compliance and decreasing disability and cost.
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Of the nearly 20 million American women suffering with migraine, approximately 12 million experience a worsening of their migraines in association with their menstrual cycle. Prior to puberty the prevalence of migraine is slightly higher in boys; however, after puberty there is an emerging female predominance. Estrogen likely plays an important role in explaining this gender difference; however, hormones unlikely explain the entire epidemiologic variation. This article reviews the diagnosis and treatment options for menstrually associated migraine.
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Quantitative sensory testing (QST) refers to a group of protocols that allows for quantitative measures of somesthetic function. Several protocols evaluate perceptual threshold, whereas others evaluate perception of stimuli above threshold. Each protocol has its own advantages and disadvantages, but one must always weigh a trade-off between accuracy (with longer protocols) and expediency (with shorter protocols). ⋯ QST studies, using either neuropathic pain patients or healthy volunteers who have been rendered temporarily hyperalgesic, have demonstrated that pain abnormalities can be modality specific. The fact that various pain abnormalities can exist independently of each other suggests that (at least partially) different neuropathologic processes are responsible for each one. Current research suggests that both peripheral sensitization and central sensitization play a role in these abnormal pain conditions, and identification of precise neuropathologic mechanisms is under active investigation.