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Advocating for Evidence Based Marijuana Policy

Cannabis-related Stroke: Myth or Reality?

Cannabis-related Stroke:  Myth or Reality?

Valérie Wolff, MD; Jean-Paul Armspach, PhD; Valérie Lauer, MD; Olivier Rouyer, MD, PhD; Marc Bataillard, MD; Christian Marescaux, MD; Bernard Geny, MD, PhD

Author Affiliations

From the Unité Neuro-Vasculaire, Hôpitaux Universitaires de Strasbourg, Strasbourg Cedex, France (V.W.,V.L.,O.R.,M.B.,C.M.); Université de Strasbourg, EA 3072, Faculté de Médecine, Strasbourg Cedex, France (V.W.,O.R.,B.G.); and Université de Strasbourg, CNRS UMR-7237, Faculté de Médecine, Strasbourg Cedex, France (V.W.,J.-P;A.).

Journal Reference:  Stroke. 2013; 44: 558-563.  Published online before print December 27, 2012, doi: 10.1161/ STROKEAHA.112.671347

Link to complete article:  http://stroke.ahajournals.org/content/44/2/558.full

WTR-RI Research Team Note:

This study involves a review of “59 cannabis-related stroke cases in 30 published articles including 4 reviews and only 1 report linking cannabis use and cardiovascular events.”  In their conclusions, the authors report:

“In regard to the literature, cannabis-related stroke is not a myth, and a likely mechanism of stroke in most cannabis users is the presence of reversible MIS induced by this drug.  The reality of the relationship between cannabis and stroke is, however, complex because other confounding factors have to be considered (ie, lifestyle and genetic factors).”

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