Normal Pressure Hydrocephalus (NPH) is a clinical condition that induces cognitive deterioration that can be reverted, at least in part, by introducing ventricular-peritoneal diversion controlled by a miniaturized valve system. Mechanisms involved in such an improvement of cognitive function after liquor diversion are unknown. Oxysterols are a family of cholesterol-related compounds having diverse biological functions. Among others, they are involved in cholesterol homeostasis in the brain and are detectable in liquor, potentially impacting neurodegeneration. NPH is an ideal clinical model to study oxysterol distribution in liquor before and after ventricular-peritoneal diversion.
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Oxysterol levels in peripheral and central brain liquor
Timeframe: 2 months
Correlation between oxysterol levels in the peripheral and central liquor and MMSE score
Timeframe: 2 months