Author(s): van der Steen A, Geervliet JP
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Abstract Various types of collateral circulation and of intra- and extracerebral stealmechanisms have been described during the past two decades. The object of this short report is to discuss the clinical-angiographic data of two patients with extracranial cerebro-vascular occlusion, also in relation with current literature. Two case histories are described. The first showed a double extracerebral steal plus intracerebral interhemispheric steal, due to innominate artery obstruction. The second had only a external vertebral collateral circulation due to proximal subclavian occlusion. The factors which precipitate collateral circulation to steal are discussed.
This article was published in Clin Neurol Neurosurg
and referenced in Journal of Antivirals & Antiretrovirals