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Cannabis use, ischemic stroke, and multifocal intracranial vasoconstriction: a prospective study in 48 consecutive

Valérie Wolff1, Valérie Lauer, Olivier Rouyer

  • 1Unite´ Neuro-Vasculaire, Hôpitaux Universitaires de Strasbourg, France. valerie.wolff@chru-strasbourg.fr

Stroke
|April 23, 2011
PubMed
Abstract

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An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...