Cerebral bypass procedures

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Physicians are surely being asked by patients and their relatives about cerebral revascularization, a relatively new neurosurgical procedure that allows creation of new collateral blood channels to supply the brain. The technique may be useful in treatment of cerebrovascular disease, orbital ischemia, and conditions in which deliberate sacrifice of a major intracranial vessel is required. This article provides an overview of this important method and summarizes the experience to date with its use.