Current pain and headache reports
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Curr Pain Headache Rep · Feb 2012
ReviewDefining the differences between episodic migraine and chronic migraine.
Chronic migraine (CM) and episodic migraine (EM) are part of the spectrum of migraine disorders, but they are distinct clinical entities. Population-based studies have shown that those with CM demonstrate higher individual and societal burden because they are significantly more disabled than those with EM and have greater impaired quality of life both inside and outside the home. ⋯ Diagnosis enables the initiation of appropriate treatments and risk-factor modification, which ultimately improve functional status and quality of life for persons with migraine. Recognizing that both disorders are on the spectrum of migraine, this review serves as a guide to define the disease state of CM as distinct from EM in terms of clinical, epidemiological, sociodemographic, and comorbidity profiles.
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Curr Pain Headache Rep · Feb 2012
ReviewRadiofrequency treatment of facet-related pain: evidence and controversies.
Pain originating from the lumbar facet joints is estimated to represent about 15% of all low back pain complaints. The diagnostic block is considered to be a valuable tool for confirming facetogenic pain. It was demonstrated that a block of the ramus medialis of the ramus dorsalis is preferred over an intra-articular injection. ⋯ There is one well-conducted comparative trial assessing the value of one or two controlled diagnostic blocks to none. The results of the seven randomized trials on the use of radiofrequency treatment of facet joint pain demonstrate that good patient selection is imperative for good clinical outcome. Therefore, we suggest one block of the ramus medialis of the ramus dorsalis before radiofrequency treatment.
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Chronic daily headache (CDH) may be primary or secondary. Secondary causes can be suspected through "red flags" in the history and examination. With a prevalence of at least 1% and several associations, primary CDH is a common, often complex, chronic pain syndrome in children and adolescents. ⋯ Treatment is still based on consensus, not evidence. Girls, migraineurs, and those with psychiatric comorbidity, medication overuse, and CDH onset before the age of 13 years and lasting for 2 years or longer, are at high risk for persistence; hence, such patients should be followed up into adult life. A classification for CDH should be included in the third edition of the International Classification of Headache Disorders.