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- W4313458551 abstract "Background: Frontal-variant of Alzheimer’s disease (fvAD) was purposed for patients with AD pathology that, despite the typical amnestic presentation, show early and progressive deterioration of behavior and executive functions, closely resembling the behavioral-variant of frontotemporal dementia (bvFTD). This leads to a challenging differential diagnosis where neuropsychological evaluation and in vivo pathological evidence are essential. Objective: To evaluate the contribution of a comprehensive neuropsychological assessment (NP) battery in distinguishing between fvAD-dementia and bvFTD supported by cerebrospinal fluid (CSF) biomarkers. Methods: We included 40 patients with a baseline NP profile with prominent early executive and/or behavioral dysfunction, who meet both diagnosis of bvFTD and fvAD-dementia, according to international criteria. All patients underwent comprehensive NP assessment and CSF-AD biomarker evaluation. Neuropsychological domains as well as clinical and sociodemographic features, and APOE genotype were compared between groups. Results: 21 patients (52.5%) met the biological criteria for AD (decreased Aβ42 together with increased T-tau or P-tau in CSF) and were therefore classified as fvAD (mean age was 64.57, with 47.6% female). There were no differences between groups regarding age/age-at-onset, gender, or educational level. Regarding neuropsychological profile, performances in language and memory functions were equivalent in both groups. Significant differences were found in visuo-constructional abilities (p = 0.004), Trail Making Test A (p < 0.001), and Raven’s Colored Progressive Matrices (p = 0.019), with fvAD patients showing worst performances. Conclusion: In patients with an early prominent frontal profile, a higher impairment in attention and visuo-spatial functions, signaling additional right hemisphere fronto-parietal dysfunction, point towards a diagnosis of fvAD-dementia and may be useful in clinical practice." @default.
- W4313458551 created "2023-01-06" @default.
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- W4313458551 date "2023-02-14" @default.
- W4313458551 modified "2023-10-15" @default.
- W4313458551 title "Neuropsychological Assessment in the Distinction Between Biomarker Defined Frontal-Variant of Alzheimer’s Disease and Behavioral-Variant of Frontotemporal Dementia" @default.
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- W4313458551 doi "https://doi.org/10.3233/jad-220897" @default.
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