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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Clinical Manifestations.

Nikita Nukala1, Ryan T Muir2, Andrew E Beaudin1

  • 1University of Calgary, Calgary, AB, Canada.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

Individuals with cerebral amyloid angiopathy (CAA) show increased depressive symptoms and cognitive impairment. Screening and treating depression in CAA patients is recommended, though it may not significantly improve cognition.

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Area of Science:

  • Neurology
  • Neuroscience
  • Psychiatry

Background:

  • Cerebral amyloid angiopathy (CAA) is a significant factor in cognitive decline and dementia.
  • Depressive symptoms are frequently observed in CAA patients and are linked to poorer cognitive outcomes.
  • This study investigates the relationships between CAA, cognitive impairment, and depressive symptoms.

Purpose of the Study:

  • To examine the association between cerebral amyloid angiopathy (CAA) and cognitive impairment.
  • To determine the prevalence of depressive symptoms in individuals with CAA.
  • To explore the mediating role of depression in the relationship between CAA and cognitive function.

Main Methods:

  • Analysis of cross-sectional data from a prospective cohort study comparing CAA patients and controls.
  • Neuropsychological testing converted to z-scores for episodic memory, executive function, and processing speed.
  • The 15-item Geriatric Depression Scale: Short Form (GDS) used to assess depressive symptoms; multivariable regression and mediation analyses performed.

Main Results:

  • Participants with CAA had higher Geriatric Depression Scale (GDS) scores and poorer performance in episodic memory, executive function, and processing speed compared to controls.
  • CAA group status was significantly associated with higher odds of possible depression (OR 11.92, p=0.003).
  • Depression did not significantly mediate the effect of CAA on cognitive domains, with mediation proportions ranging from 2% to 7%.

Conclusions:

  • Individuals with CAA exhibit more depressive symptoms and worse cognitive function than controls.
  • Screening for and treating depression in patients with CAA is clinically indicated.
  • While depression management is important, it is unlikely to substantially enhance cognitive function in the context of CAA.