More advanced Alzheimer's disease may be associated with a decrease in cerebrospinal fluid pressure

• Main Authors: De Deyn Peter, Audenaert Kurt, Wostyn Peter
• Format: Article
• Language: English
• Published: BMC 2009-11-01
• Series: Cerebrospinal Fluid Research
• Online Access: http://www.cerebrospinalfluidresearch.com/content/6/1/14

<p>Abstract</p> <p>In a recent article, elevated cerebrospinal fluid pressure (CSFP) consistent with very early normal pressure hydrocephalus (NPH), was found in a small subset of Alzheimer's disease (AD) patients (possible AD-NPH hybrids) enrolled in a clinical trial for chronic low-flow cerebrospinal fluid drainage. Also in the same study, was another interesting finding that merits further discussion: a substantial proportion of AD patients had very low CSFP. Based on the characteristics of these subjects, we hypothesize that more advanced AD may be associated with a decrease in CSFP. Reduced CSFP among a group of AD patients could provide a clue towards a better understanding of the high rate of comorbidity reported between AD and glaucoma since it has been shown that mean CSFP is lower in subjects with primary open-angle glaucoma. This could result in an abnormally high trans-lamina cribrosa pressure difference and lead to glaucomatous damage.</p>