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Introduction Portal hypertension (PHT) occurs when there is an abnormal increase in pressure in the veins that carry blood from the visceral organs to the liver. This can be explained by Ohm’s law, where the change in pressure is equal…
Multiple indications exist for constructing an extracranial–intracranial (EC-IC) bypass. The indications that are encountered most frequently in contemporary practice are symptomatic occlusion of the internal carotid artery (ICA), stenosis or occlusion of the intracranial vasculature, usually at the level of…