Migraine versus probable migraine.
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Biomedical subjects
Publications and source records attributed to Seymour Solomon.
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Retinal migraine is a primary headache disorder, clinically manifested by attacks of transient monocular visual loss associated with migraine headache. Although isolated reports suggest that retinal migraine is rare, it likely is under-recognized. Retinal migraine usually is reported in women of childbearing age who have a history of migraine with aura. It typically is characterized by negative monocular visual phenomena lasting less than 1 hour. More than half of reported cases with recurrent transient monocular visual loss subsequently experienced permanent monocular visual loss. Although the International Headache Society diagnostic criteria for retinal migraine require reversible visual loss, our findings suggest that irreversible visual loss is part of the retinal migraine spectrum, likely representing an ocular form of migrainous infarction.
OBJECTIVE: This is a review of current concepts of chronic post-traumatic neck and head pain. In this article, I will emphasize the physiological and sociological aspects of these disorders. BACKGROUND: The pathophysiology of chronic post-traumatic neck and head pain has not been well understood. Some have emphasized the organic factors and others the psychogenic aspects of these conditions. Only in recent years have this dichotomy been integrated with sociocultural concepts. METHODS: The history of chronic post-traumatic head and neck pain is reviewed. Paradoxes are discussed, ie, the great differences in prevalence around the world, the inconsistent relationship of symptoms to degree of trauma, the curious phenomena of structural disease without symptoms, and symptoms without structural disease. The organic and pathophysiologic factors are reviewed, then those factors that modulate pain in these conditions are discussed. CONCLUSION: Chronic post-traumatic neck and head pain is rarely either organic or psychogenic. Rather physiological, social, and cultural factors play major roles in modulating pain and either perpetuate or ameliorate these chronic pain conditions.
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Cluster headache has a dramatic presentation marked by rapidly escalating intensity of pain and prominent signs of autonomic dysfunction. Despite its distinctive features, diagnostic delay and misdiagnosis are common. Prompt recognition of this headache disorder provides an opportunity for effective treatment. This article provides a practical approach to the diagnosis and management of patients with cluster headache in the emergency room setting.
Temporal arteritis was first described in the late nineteenth century. Despite considerable progress in understanding the disease, its rarity in the young and in those who are not of Scandinavian ethnicity remains unexplained. Microbiologic agents and immunologic mechanisms have been implicated as causative factors. Although steroids remain the drug of choice, the use of other immunologic therapies has been proposed. This paper reviews the disease's history, probable etiologies, clinical manifestations, and its diagnostic and treatment challenges.
Butalbital compounds are of proven efficacy in the treatment of tension headache. Decades of experience have established their value in the treatment of other mild-to-moderate headaches. Untold numbers of people rely on these medications as their drug of choice or use them when vasoconstrictors, opioids, or nonsteroidal anti-inflammatory agents are contraindicated. The medications are cost-effective with only occasional and minor immediate adverse effects. Their overuse may cause the evolution of episodic primary headaches to chronic daily headaches; however, removal of these agents from the market would reduce the chronic daily headache in the general population by a small fraction of 1%.
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A person's response to pain treatment may be due to factors other than the direct effect of analgesics. Amelioration of pain is often associated with modalities that appear to make no scientific sense. This review outlines the mechanisms of pain amelioration other than that by medication. These mechanisms help to explain why pain relief may follow the administration of allopathic modalities. Pain is modulated, enhanced, or diminished by both cerebral and peripheral mechanisms. Cerebral factors include the placebo response, psychological phenomena, and conscious cognitive activation. In addition to evoking endogenous opioids, these central mechanisms activate antinociceptive pathways beginning in the limbic forebrain and relayed in the periaqueductal gray matter to primary afferent nociceptive sites in the spinal cord dorsal horn (and medullary nucleus caudalis). Obvious peripheral factors that may diminish pain perception are those that decrease afferent stimuli. Paradoxically, stimulation of afferent neurons may also ameliorate pain by activating spinal or supraspinal inhibitory mechanisms. Finally, improvement in pain or other symptoms is often falsely attributed to a therapy when remission occurs because the underlying illness has run its normal course.
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