Journal
ALZHEIMERS & DEMENTIA
Volume 11, Issue 5, Pages 523-532Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jalz.2014.05.1753
Keywords
Dementia; Alzheimer's disease; Clinical practice; Diagnostic impact; Assessment of cognitive disorders; Cerebrospinal fluid; Amyloid-beta(1-42); Tau; Biomarkers
Categories
Funding
- Alzheimer Nederland
- Stichting VUmcfonds
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Background: We aimed to assess the impact of cerebrospinal fluid (CSF) biomarkers for Alzheimer's disease on decision making and patient management in a tertiary memory clinic. Methods: We included all patients, for 1 year, visiting the VUmc Alzheimer Center for cognitive screening. Neurologists completed questionnaires before and after CSF disclosure. We assessed the change of diagnosis, diagnostic confidence, and impact on patient management. Results: A total of 438 patients (age 63 +/- 8 years, 39% women) were included, of whom 351 (80%) underwent lumbar puncture. After the disclosure of CSF 23/351 diagnoses (7%) were changed. Diagnostic confidence increased from 84% to 89% (P < .001). There were consequences for management in 44/351 patients (13%) with CSF, and 13/87 patients (15%) because of unavailable CSF. There was no effect of age on these results. Conclusions: CSF biomarkers aid clinicians with decision making during diagnostic work-up of cognitive disorders. This study may be useful for developing guidelines for the implementation of CSF biomarkers in daily practice. (C) 2015 The Alzheimer's Association. Published by Elsevier Inc. All rights reserved.
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