European neurology
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Comparative Study Clinical Trial Controlled Clinical Trial
Effects of gabapentin on the different components of peripheral and central neuropathic pain syndromes: a pilot study.
Anticonvulsants are widely used in the treatment of neuropathic pain, and are assumed to act preferentially on lancinating, shooting pain. In the present study, the effects of gabapentin, a novel anticonvulsant, were evaluated systematically on both spontaneous and evoked pain in 18 patients with peripheral nerve injuries or central lesions. Gabapentin was administered orally in gradually increasing doses up to a maximum of 2,400 mg/day. ⋯ In contrast, no effects were observed on detection and pain thresholds to static mechanical and hot stimuli. Side effects were generally minor and did not interfere with everyday activities. The present study suggests that gabapentin has preferential antihyperalgesic and/or antiallodynic effects, and is equally effective in pain due to peripheral nerve injuries and central lesions.
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Thrombotic thrombocytopenic purpura (TTP) is an uncommon multisystem disease characterized by microangiopathic hemolytic anemia, thrombocytopenic purpura, fluctuating neurologic dysfunctions, renal disease, and fever. Delayed diagnosis and treatment may lead to a high mortality rate that can be as great as 90%. ⋯ Four patients recovered completely. In patients with focal neurologic disorders in whom infectious CNS diseases were excluded TTP should be considered in the differential diagnosis.