Neuropsychiatric profiles and conversion to dementia in mild cognitive impairment, a latent class analysis

Neuropsychiatric profiles and conversion to dementia in mild cognitive impairment, a latent class analysis

Abstract Neuropsychiatric symptoms (NPS) have been recently addressed as risk factors of conversion to Alzheimer’s disease (AD) and other dementia types in patients diagnosed with Mild Cognitive Impairment (MCI). Our aim was to determine profiles based on the prominent NPS in MCI patients and to exp...

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Autores principales: Natalia Roberto, Maria J. Portella, Marta Marquié, Montserrat Alegret, Isabel Hernández, Ana Mauleón, Maitee Rosende-Roca, Carla Abdelnour, Ester Esteban de Antonio, Silvia Gil, Juan P. Tartari, Liliana Vargas, Ana Espinosa, Gemma Ortega, Alba Pérez-Cordón, Ángela Sanabria, Adelina Orellana, Itziar de Rojas, Sonia Moreno-Grau, Laura Montrreal, Emilio Alarcón-Martín, Agustín Ruíz, Lluís Tárraga, Mercè Boada, Sergi Valero
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
Materias:
Medicine
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Science
Q
Acceso en línea:https://doaj.org/article/d6cf2e70476341558301fab5679ef006
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Sumario:Abstract Neuropsychiatric symptoms (NPS) have been recently addressed as risk factors of conversion to Alzheimer’s disease (AD) and other dementia types in patients diagnosed with Mild Cognitive Impairment (MCI). Our aim was to determine profiles based on the prominent NPS in MCI patients and to explore the predictive value of these profiles on conversion to specific types of dementia. A total of 2137 MCI patients monitored in a memory clinic were included in the study. Four NPS profiles emerged (classes), which were defined by preeminent symptoms: Irritability, Apathy, Anxiety/Depression and Asymptomatic. Irritability and Apathy were predictors of conversion to dementia (HR = 1.43 and 1.56, respectively). Anxiety/depression class showed no risk effect of conversion when compared to Asymptomatic class. Irritability class appeared as the most discriminant neuropsychiatric condition to identify non-AD converters (i.e., frontotemporal dementia, vascular dementia, Parkinson’s disease and dementia with Lewy Bodies). The findings revealed that consistent subgroups of MCI patients could be identified among comorbid basal NPS. The preeminent NPS showed to behave differentially on conversion to dementia, beyond AD. Therefore, NPS should be used as early diagnosis facilitators, and should also guide clinicians to detect patients with different illness trajectories in the progression of MCI.

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