Der Schmerz
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Neuropathic pain is one of the problem areas in the management of cancer pain. In a retrospective study, prevalence and characteristics of neuropathic pain in 1318 cancer patients attending a pain clinic were examined. Of the patients, 135 suffered from neuropathic, 285 from neuropathic and nociceptive, 890 from nociceptive and 8 from unknown pain conditions. ⋯ Of 110 clinically analysed neuropathic pain conditions, 44% were neuralgic, 31% radicular, 13% sympathically maintained, and 10% caused by deafferentiation, while in 3% the nature was unknown. To evaluate the efficacy of cancer pain treatment, nocicepetive pain has to be differentiated from neuropathic pain. In addition to this, neuropathic pain has to be divided into subgroups.
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Epidural steroid injections are frequently used in the conservative treatment of backache, although they are still subject to critical discussion. Relief of pain is attributed to the anti-inflammatory effect of the steroid. During a 3-year period, 53 patients with back pain or differing aetiology were treated with one or more epidural injections of 14 mg betamethasone (2 ml Celestan) in a prospective and retrospective fashion. ⋯ Patients with acute pain (up to 6 months) responded better than patients with chronic symptoms. No significant correlations were detected between response and other characteristics, e.g. age, sex, number of injections, type of pain, intensity of pain, or psychological overlay. For patients with acute pain epidural steroid injections seem to be a safe, appropriate and promising procedure.
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A group study on the comparative efficacy of EMG biofeedback and progressive relaxation is presented. Sixteen children aged between 8 and 14 years with chronic tension headache and combined headache participated in the study. Six sessions of relaxation training and 12 (shorter) biofeedback sessions were held with each child. ⋯ Other variables indicate further positive effects of treatment (e.g., medication consumption, absence from school). After 6 months of follow-up the children treated by relaxation had achieved event further reductions in headache activity. Suggestions for further improvement in the clinical and economic efficiency of treatment formats are presented, and perspectives for future research are discussed.
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A case history of therapy resistent trigeminal neuralgia was presented by Wechsung and Müller. This patient was previously treated without any succes with glycerol injections, "electrocauterisation", a Janetta operation and 2 reexplorations of the posterior fossa. Attempts with oral carbamazepine and baclofen were unsuccesful too. ⋯ The most succesful surgical procedure is the radiofrequency thermal lesion of the Gasserian ganglion (Sweet). Data from the literature from 8500 patients and own data (from over 600 patients) show that therapy resistance is very infrequent (0.5%). The costs of clinical implantation of a pump with intrathecally administered baclofen are 10-15 times higher than ambulant radiofrequency lesioning.
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Because of distinct pain symptoms in the presence of an ascending partial paralysis-Brown-Sequard Syndrome-from T 5/6 upward in a 56-year-old patient, therapy with paravasalic injections of bupivacaine 0.125% in the area of the femoral artery (right) was given. The patient kept a pain diary with entries every 2 h for 61 weeks. Evaluation of the documentation demonstrates the success of the therapy and shows the possibilities of different kinds of evaluation of well-documented pain data.