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Combination of f 18 fdg pet and cerebrospinal fluid biomarkers as a better predictor of the progression to alzheimer's disease in mild cognitive impairment patients
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2013 (English)In: Journal of Alzheimer's Disease, ISSN 1387-2877, Vol. 33, no 4, 929-939 p.Article in journal (Refereed) Published
Abstract [en]

The biomarker-based new diagnostic criteria have been proposed for Alzheimer's disease (AD) spectrum. However, any biomarker alone has not been known to have satisfactory AD predictability. We explored the best combination model with baseline demography, neuropsychology, F-18-fluorodeoxyglucose positron emission tomography (FDG-PET), cerebrospinal fluid (CSF) biomarkers, and apolipoprotein E (APOE) genotype evaluation to predict progression to AD in mild cognitive impairment (MCI) patients. Alongitudinal clinical follow-up (mean, 44 months; range, 1.6-161.7 months) of MCI patients was done. Among 83 MCI patients, 26 progressed to AD (MCI-AD) and 51 did not deteriorate (MCI-Stable). We applied that univariate and multivariate logistic regression analyses, and multistep model selection for AD predictors including biomarkers. In univariate logistic analysis, we selected age, Rey Auditory Verbal Retention Test, parietal glucose metabolic rate, CSF total tau, and presence or not of at least one APOE epsilon 4 allele as predictors. Through multivariate stepwise logistic analysis and model selection, we found the combination of parietal glucose metabolic rate and total tau representing the best model for AD prediction. In conclusion, our findings highlight that the combination of regional glucose metabolic assessment by PET and CSF biomarkers evaluation can significantly improve AD predictive diagnostic accuracy of each respective method.

Place, publisher, year, edition, pages
2013. Vol. 33, no 4, 929-939 p.
Keyword [en]
Biomarkers, combination, mild cognitive impairment, predictor
National Category
Medical and Health Sciences Psychology
URN: urn:nbn:se:su:diva-88314DOI: 10.3233/JAD-2012-121489ISI: 000313964200004OAI: diva2:611852


Available from: 2013-03-19 Created: 2013-03-12 Last updated: 2013-03-19Bibliographically approved

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Almkvist, Ove
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Department of Psychology
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