Hemodialysis patients with intracranial hypertension should undergo CT venography of the chest to facilitate the timely diagnosis of this treatable condition

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Abstract

Background: Central venous obstruction (stenosis or occlusion) is common in patients with renal failure on hemodialysis and may be associated with intracranial hypertension (IH).Causes include vein injury from an endoluminal device, lumen obstruction from a device or thrombus, external vein compression, and high venous flow leading to vein intimal hyperplasia. A combination of high venous flow and central venous obstruction can lead to intracranial venous hypertension, impaired cerebrospinal fluid (CSF) resorption, and subsequent IH.

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