Der Schmerz
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There are no valid data available for Germany on the prevalence of migraine using the new diagnostic and classification criteria of the International Headache Society (IHS). ⋯ For methodological reasons our study may underestimate the true prevalence of migraine in Germany. Taking our rather "conservative" figures into account, our study reveals, however, that there are more than 2 million migraine sufferers in Germany between 16 and 69 years of age.
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The article describes the interdisciplinary treatment of chronic pain at the Center of Pain Studies (CPS). The CPS is an intergral part of the Rehabilitation Institute in Chicago. An essential part of the program is a 1-day outpatient evaluation in which members of all disciplines take part. ⋯ General aims of the treatment are to return to productive life, improve emplopyability, increase activity level, improve mobility, apply pain management techniques, and improve coping. The program is monitored by an evaluation/follow-up system. Success criteria of the 6-month follow-up for the years 1987-91, such as less daily downtime in 58-78% of the patients, more time out on weekends in 40-68%, return to work in 50-67% and reduced depression in 37-70%, give an impression of the effectiveness of the pain management program.
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A total of 97 patients with an acute monoradicular lumbosacral compression syndrome and a herniated disc at the same level were reinvestigated an average of 25 months after the acute event. Assessment was based on CT investigation and "root score", which was compiled from reports of subjective complaints and neurological deficits. All patients had initially undergone conservative treatment as inpatients. ⋯ In the majority of cases, during the further course of the disease the herniated disc causes no pain. It appears, therefore, that the course of disease following a disc herniation can be influenced very favourably by non-operative treatment and that in more than 50% of cases the condition becomes clinically silent. It follows that in neuroradicular compression syndromes a neurological deficit associated with the acute event does not mean operative intervention is indicated.
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Despite its importance for chronic pain diseases, pain-related disability is a poorly defined concept with theoretical deficits. The distinction between impairment, disability, and handicap proposed by the WHO is an important contribution to clarification of the disability construct. With reference to four criteria (underlying disability construct, degree of behaviour generalization, assessment mode, scope) different assessment procedures of pain-related disability are presented and the advantages and disadvantages of each are discussed. ⋯ The results from four data sets concerning different aspects of reliability and validity confirm the good psychometric properties of the instrument. The instrument can be used in chronic pain research as well as in clinical contexts. It is recommended that subjective disability data be complemented by behavioral observation and additional data sources (e.g. assessment of disability by the spouse/partner).