Articles: chronic-pain.
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In Western industrial countries, low back pain is one of the most frequent causes of illness. Between the 4th and 5th decades of life approximately 80% of adults complain of low back pain, lasting for fairly long periods. About 10% of this population must undergo disc surgery once during life. ⋯ CT control examinations showed clear regression in the extent of disc herniation in 15 patients, in 18 a moderate decrease, and in 9 cases the CT findings had not changed. A favorable tendency towards regression was observed in disc herniations at the level of L5-S1 and in cases showing sequestration of the disc. Herniations of the disc at higher levels between L4-5 and L3-4 or a lateral herniation, reaching the intervertebral foramen, showed on unfavorable prognosis.
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Subcutaneous self-administration of morphine with a "pain pen", a semiautomatic mechanical injection system about the size of a penholder, was tested in nine patients with severe chronic pain of malignant origin. During a period of treatment of 12-100 days (on an outpatient basis in three patients) side-effects of subcutaneous morphine could only be observed during a short-lasting initial period of adaptation. ⋯ There were no hygienic problems, and the patients learned the technique of self-injection within a few days. This system may be especially suitable for patients with gastrointestinal incompatibility of oral opiate preparations, e.g. patients with multiple drug intake.
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Tick-borne borreliosis (Borrelia burgdorferi) is a common and complex disorder affecting the skin, the joints and the nervous system. It progresses through different clinical stages. The clinical spectrum of neuroborreliosis has expanded since the introduction and widespread application of specific serological tests. ⋯ Therefore, borreliosis can be assumed to produce a painful skin dystrophy like SRD or ACA by direct injury to the sympathetic nerves even in the early clinical stage of the infection. The main conditions to be considered in the differential diagnosis are polymyalgia rheumatica; lumbar disk herniation; inflammatory radiculopathies of other origin (e.g. herpes zoster); painful neuropathies, including the diabetic thoraco-abdominal form; internal disorders of chest and abdomen with referred pain; lymphocytic meningitis of other origin, encephalomyelitis; and sympathetic reflex dystrophy. High-dose penicillin G i.v. is a potent analgesic in all patients with tick-borne neuroborreliosis.
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This article reviews the methods currently in use for the measurement of chronic pain. The most important items for inclusion in questionnaires about the history and in pain diaries to elicit data on the time-course of pain are presented, and both the aims and the advantages and disadvantages of various strategies are discussed. The documentation of chronic pain in outpatients would allow answers to some questions concerned with medical epidemiology if practiced in a large number of therapeutic institutions, especially if the data were processed and evaluated by microcomputer.