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  • Title: Pharmacology of nimodipine, a calcium antagonist with preferential cerebrovascular activity.
    Author: Kazda S.
    Journal: Neurochirurgia (Stuttg); 1985 May; 28 Suppl 1():70-3. PubMed ID: 4010868.
    Abstract:
    In isolated vessels in vitro nimodipine inhibits spasms induced by depolarization independently of the vessel's origin. The spasms induced by spasmogenic agonists such as serotonin, catecholamines, histamine, thromboxane, or whole blood are inhibited only in the cerebral vessels and not in the peripheral vessels. In vivo, nimodipine inhibits cerebrovascular spasms and brain damage in acute and chronic animal experiments. In chronic studies on stroke-prone, spontaneously hypertensive rats, nimodipine prevents cerebral tissue damage and prolongs the survival time without affecting the high blood pressure. Nimodipine inhibits the transmembraneous calcium influx in the smooth muscle cells of the cerebral vessels and thus prevents cerebral hypoperfusion after spasmogenic stimulation. In chronic cerebrovascular stress nimodipine prevents harmful calcium overloading and thus ensures the integrity of the cerebral parenchyma.
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