Current pain and headache reports
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Headache poses diagnostic challenges to the clinician for many reasons. It is an extremely common complaint, and may be associated with acute illness or serious pathology such as brain tumor or cerebral aneurysm. However, the majority of patients experiencing recurrent headache in the population suffer either from a variant of tension-type headache or migraine. ⋯ This article reviews the standard diagnostic criteria for migraine, while also addressing the primary and secondary headache syndromes that may be considered in a differential diagnosis. The indications and roles for specific investigative procedures such as neuroimaging are reviewed. Specific emphasis is placed on the clinical recognition of migraine in the context of an assortment of headache conditions.
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The term "migrant variant" is not used in the headache classification of the International Headache Society (IHS), but it includes those forms of migraine that are not typical of migraine with or without aura. Headaches that do not quite fulfill all of the IHS criteria are termed "migrainous disorder." Migraine associated with auras arising from unusual sites includes basilar migraine, retinal migraine, and ophthalmoplegic migraine. ⋯ Migrainous infarct has occurred when the aura lasts more than 1 week or imaging studies are positive and other etiologies have been ruled out. If the migraine attack is prolonged beyond 3 days the term "status migrainousus" is applied.
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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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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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Neuropathic pain, or pain after nervous system injury, can be very refractory to pharmacologic interventions. Through a better understanding of the pathophysiology of neuropathic pain, it has been suggested that nonopioid agents, such as antidepressants and anticonvulsants, may be more efficacious in the treatment of neuropathic pain than common analgesics, such as opioids or nonsteroidal anti-inflammatory drugs. ⋯ Therefore, we must develop a better understanding of the preclinical models of neuropathic pain to better understand the application of new and old drugs to the human neuropathic pain state. This article provides an overview of the commonly used preclinical neuropathic pain models, followed by a summary of the efficacy of currently available agents in preclinical pain models and human correlates.