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Piracetam: a review of pharmacological properties and clinical uses.

机译:拉西坦:药理特性和临床用途的综述。

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摘要

Piracetam, a derivative of the neurotransmitter gamma-aminobutyric acid (GABA), has a variety of physiological effects that may result, at least in part, from the restoration of cell membrane fluidity. At a neuronal level, piracetam modulates neurotransmission in a range of transmitter systems (including cholinergic and glutamatergic), has neuroprotective and anticonvulsant properties, and improves neuroplasticity. At a vascular level, it appears to reduce erythrocyte adhesion to vascular endothelium, hinder vasospasm, and facilitate microcirculation. This diverse range of physiological effects is consistent with its use in a range of clinical indications. Its efficacy is documented in cognitive disorders and dementia, vertigo, cortical myoclonus, dyslexia, and sickle cell anemia. While high doses are sometimes necessary, piracetam is well tolerated.
机译:吡拉西坦是神经递质γ-氨基丁酸(GABA)的衍生物,具有多种生理效应,这些生理效应可能至少部分是由于细胞膜流动性的恢复。在神经元水平上,吡乙酰胺调节一系列递质系统(包括胆碱能和谷氨酸能)的神经传递,具有神经保护和抗惊厥作用,并改善神经可塑性。在血管水平上,它似乎减少了红细胞对血管内皮的粘附,阻碍了血管痉挛,并促进了微循环。这种多样的生理效应与其在一系列临床适应症中的使用相一致。在认知障碍和痴呆,眩晕,皮质肌阵挛,阅读障碍和镰状细胞性贫血中有记载。虽然有时需要高剂量,但吡乙酰胺耐受性良好。

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