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- Title
The Synergic Effect of AT(N) Profiles and Depression on the Risk of Conversion to Dementia in Patients with Mild Cognitive Impairment.
- Authors
Marquié, Marta; García-Gutiérrez, Fernando; Orellana, Adelina; Montrreal, Laura; de Rojas, Itziar; García-González, Pablo; Puerta, Raquel; Olivé, Clàudia; Cano, Amanda; Hernández, Isabel; Rosende-Roca, Maitée; Vargas, Liliana; Tartari, Juan Pablo; Esteban-De Antonio, Ester; Bojaryn, Urszula; Ricciardi, Mario; Ariton, Diana M.; Pytel, Vanesa; Alegret, Montserrat; Ortega, Gemma
- Abstract
Few studies have addressed the impact of the association between Alzheimer's disease (AD) biomarkers and NPSs in the conversion to dementia in patients with mild cognitive impairment (MCI), and no studies have been conducted on the interaction effect of these two risk factors. AT(N) profiles were created using AD-core biomarkers quantified in cerebrospinal fluid (CSF) (normal, brain amyloidosis, suspected non-Alzheimer pathology (SNAP) and prodromal AD). NPSs were assessed using the Neuropsychiatric Inventory Questionnaire (NPI-Q). A total of 500 individuals with MCI were followed-up yearly in a memory unit. Cox regression analysis was used to determine risk of conversion, considering additive and multiplicative interactions between AT(N) profile and NPSs on the conversion to dementia. A total of 224 participants (44.8%) converted to dementia during the 2-year follow-up study. Pathologic AT(N) groups (brain amyloidosis, prodromal AD and SNAP) and the presence of depression and apathy were associated with a higher risk of conversion to dementia. The additive combination of the AT(N) profile with depression exacerbates the risk of conversion to dementia. A synergic effect of prodromal AD profile with depressive symptoms is evidenced, identifying the most exposed individuals to conversion among MCI patients.
- Subjects
MILD cognitive impairment; DISEASE risk factors; DEMENTIA patients; ALZHEIMER'S disease; MENTAL depression; CEREBROSPINAL fluid
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 2, p1371
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms24021371