Neuropsychiatric symptoms cluster and fluctuate over time in behavioral variant frontotemporal dementia.

IF 5 3区 医学 Q1 CLINICAL NEUROLOGY Psychiatry and Clinical Neurosciences Pub Date : 2025-03-13 DOI:10.1111/pcn.13810
Christopher B Morrow, Vidyulata Kamath, Bradford C Dickerson, Mark Eldaief, Neguine Rezaii, Bonnie Wong, Scott McGinnis, Ryan Darby, Adam M Staffaroni, Maria I Lapid, Belen Pascual, Julio C Rojas, Joseph C Masdeu, Kyrana Tsapkini, Edward D Huey, Daniel W Fisher, Alexander Pantelyat, Akshata Balaji, Eric Sah, Irene Litvan, Katya Rascovsky, Nupur Ghoshal, Kimiko Domoto-Reilly, John Kornak, Chiadi U Onyike
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引用次数: 0

Abstract

Aim: Cognitive and behavioral phenomena define behavioral variant frontotemporal dementia (bvFTD), but neuropsychiatric symptoms (NPS) outside the core criteria are common throughout the illness. Identifying how NPS cluster in bvFTD may guide development of future therapies.

Methods: Participants (n = 354) with sporadic and genetic bvFTD were enrolled in the ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration Consortium. Dementia stage was defined as early (CDR® plus NACC FTLD ≤1) or advanced (CDR® plus NACC FTLD ≥1). Baseline and annual follow-up visit data were analyzed to compare NPS across stages of bvFTD. Psychiatric states were captured using the Neuropsychiatric Inventory-Questionnaire and Clinician Judgment of Symptoms. Polychoric cluster analysis was used to describe NPS clusters.

Results: NPS were highly prevalent (≥90%) in early and late bvFTD. Four NPS clusters were identified based on magnitude of factor loadings: affective, disinhibited, compulsive, and psychosis. Neuropsychiatric symptoms fluctuated across visits. In the affective cluster, depression showed the least visit-to-visit stability. In the disinhibited cluster, elation showed the least stability. Symptoms in the psychosis and compulsive clusters (hallucinations, delusions, obsessions/compulsions, and hyperorality) were largely stable, persisting from visit-to-visit in more than 50% of cases. Symptoms in the affective and disinhibited cluster were associated with the highest caregiver burden, while symptoms in the obsessive cluster were associated with the most functional impairment.

Conclusion: NPS in bvFTD are frequent and cluster into four discrete groups. The fluctuating nature of some NPS in bvFTD suggests that they may not be reliable markers of disease progression or stage.

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来源期刊
CiteScore
7.40
自引率
4.20%
发文量
181
审稿时长
6-12 weeks
期刊介绍: PCN (Psychiatry and Clinical Neurosciences) Publication Frequency: Published 12 online issues a year by JSPN Content Categories: Review Articles Regular Articles Letters to the Editor Peer Review Process: All manuscripts undergo peer review by anonymous reviewers, an Editorial Board Member, and the Editor Publication Criteria: Manuscripts are accepted based on quality, originality, and significance to the readership Authors must confirm that the manuscript has not been published or submitted elsewhere and has been approved by each author
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