Evidence map›Paper›PMID 42347114›Full record

ArticleNeurology international2026

White Matter Hyperintensities and Clinical Phenotype in Late-Onset Psychiatric Disorders: A Multidimensional Clinical-Neuroimaging Study.

Tânia Silva, Cesar Nunes, Andreia Ribeiro, Isabel Santana, Joaquim Cerejeira

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Article in Neurology international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Tânia SilvaDepartment of Psychiatry, Unidade Local de Saúde de Coimbra, University Hospital, 3000-075 Coimbra, Portugal.ORCID 0000-0002-6467-3875
Cesar NunesDepartment of Neuroradiology, Unidade Local de Saúde de Coimbra, University Hospital, 3000-075 Coimbra, Portugal.
Andreia RibeiroDepartment of Psychiatry, Unidade Local de Saúde de Coimbra, University Hospital, 3000-075 Coimbra, Portugal.
Isabel SantanaUniversity of Coimbra, Faculty of Medicine, 3000-370 Coimbra, Portugal.
Joaquim CerejeiraUniversity of Coimbra, Faculty of Medicine, 3000-370 Coimbra, Portugal.

Funding

Fundação para a Ciência e Tecnologia UID/04539/2025
6 · The paper itself

Abstract

backgroundWhite matter hyperintensities (WMHs) have been implicated in late-onset psychiatric disorders, but their contribution to this clinical phenotype remains insufficiently understood.

methodsWe conducted a cross-sectional transdiagnostic study of 90 consecutively admitted acute patients with schizophrenia, bipolar disorder (BD), and major depressive disorder (MDD) meeting the predefined inclusion criteria. Patients with a late onset were compared to earlier onset (EO) psychiatric patients. Late onset was defined as the median age of the disorder onset of the sample (≥40 years). Multidimensional clinical, cognitive, psychomotor, metabolic, and neuroimaging data were evaluated (WHM burden and cerebral atrophy), and a cognitive-psychopathologic composite index was derived. Correlations and sensitivity analysis were performed. A multivariable linear regression was performed to assess the independent effects of age, vascular risk factors, and WMH severity on cognitive performance and psychiatric symptoms.

resultsIn patients with LO psychiatric disorders, greater WMH burden was significantly associated with poorer global cognition and specific cognitive domains, lower delusional symptoms severity, and greater suicidal thoughts/behavior intensity. These associations were markedly weaker or not present in EO patients. The regression model explained 36.5% of the variance in the cognitive-psychopathologic composite index. After adjusting for age and cumulative risk factors, Fazekas was the only significant independent predictor (β = -0.495,

conclusionsWMH burden was associated with differences in clinical characteristics in LO psychiatric disorders, including cognitive and neuropsychiatric symptoms. Our findings support a possible vascular-neuropsychiatric interaction in LO phenotypes.

Indexed as

cerebral small-vessel diseaselate-onset psychiatric disordersneuropsychiatricvascular cognitive impairmentwhite matter hyperintensities

Identifiers

PMID42347114
PMCPMC13304622

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