Der Internist
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Migraine has a very high lifetime prevalence with a severe illness-related burden. As a result, extensive long-term and regular treatment is required, which cannot be covered solely by neurologists. This is particularly the case for the long-term monitoring of migraine, which often takes place over several decades. ⋯ If this therapy is unsuccessful, prophylactic substances must be used that require more specialized knowledge, which is also reflected in the formal prescription requirements. Neurologists and pain therapists should then be involved in the treatment. This is particularly true for the use of Onabotulinumtoxin A and monoclonal CGRP-(receptor)-antibodies.
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The peripheral nervous system is subject to changes during the aging process, e.g., deep tendon reflexes decrease, as proprioception does. In contrast, polyneuropathies have to be distinguished from age-associated changes as independent diseases with etiologies similar to those in younger ages. Incidence of polyneuropathies is reported about 118/100,000, the overall prevalence in the general population is estimated to be about 1% and rises to up to 7% in the elderly. ⋯ It is essential to try to identify the underlying cause by a systematic approach including history, clinical investigation, neurophysiological and lab exams. Treatment of polyneuropathies is based on therapy of underlying conditions and requires management of neuropathic pain in the majority of cases. Physiotherapy and rehabilitation target pain relief and sustaining activities of daily living.
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The diagnosis of polyneuropathy (PNP) is based on the anamnesis and description of complaints of the patient and clinical findings. The type of distribution as well as known diseases and drug toxic factors can provide indications. Electromyography and electroneurography can be used to differentiate between axonal and demyelinating PNP. ⋯ Depending on the neuropathy and context, the diagnostic approach is structured differently. The special diagnostics for small fiber neuropathy and amyloid neuropathy as well as for diabetes and alcohol abuse are dealt with in detail in this article. Numerous cases of polyneuropathy remain unexplained and regularly have a favourable prognosis.
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Approximately one of three people with diabetes is affected by distal symmetric sensorimotor polyneuropathy (DSPN) which is associated with marked impairment in quality of life due to partly excruciating neuropathic pain on the one hand and painless foot ulcers on the other hand. The prevalence of painful DSPN may reach up to one quarter of patients with diabetes, while DSPN may be asymptomatic in up to half of the patients affected. ⋯ The management of DSPN includes three cornerstones: (1) lifestyle modification, causal treatment aimed at near-normoglycemia and multifactorial cardiovascular risk intervention, (2) pathogenesis-derived treatment and (3) symptomatic treatment of neuropathic pain. Multimodal pain treatment should not only aim at pain relief, but also allow for improvement in quality of sleep, mobility, and general quality of life.