Surgical Occlusion of Anterior Choroidal Arteries in Parkinsonism

SINCE OCCLUSION of one or both anterior choroidal arteries was introduced for the amelioration of parkinsonism by various investigators have explored the effects of occluding this artery in man and in primates. As a result of these investigations, further information has been presented concerning the pattern of arterial circulation of certain of the basal ganglia and their associated and neighboring structures, as well as the neural mechanism which causes alternating rest tremor. In a previous paper: early results of surgical occlusion of the anterior choroidal artery in four parkinsonian patients were presented. The present report deals with the follow-up clinical and neuropathologic observations on these four patients as well as one additional patient, all five of whom were refractory to medical treatment.

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