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. 2023 Mar;19(3):821-830.
doi: 10.1002/alz.12708. Epub 2022 Jun 16.

Cardiometabolic multimorbidity accelerates cognitive decline and dementia progression

Abigail Dove  1 , Anna Marseglia  2 , Ying Shang  3 , Giulia Grande  1 , Davide Liborio Vetrano  1 , Erika J Laukka  1   4 , Laura Fratiglioni  1   4 , Weili Xu  1
Affiliations

Cardiometabolic multimorbidity accelerates cognitive decline and dementia progression

Abigail Dove et al. Alzheimers Dement. 2023 Mar.

Abstract

Introduction: Cardiometabolic diseases (CMDs) have been individually associated with adverse cognitive outcomes, but their combined effect has not been investigated.

Methods: A total of 2577 dementia-free participants 60 years of age or older were followed for 12 years to observe changes in cognitive function and to detect incident cognitive impairment, no dementia (CIND) and dementia. CMDs (including type 2 diabetes, heart disease, and stroke) were assessed at baseline through medical records and clinical examinations. Cardiometabolic multimorbidity was defined as the presence of two or more CMDs. Data were analyzed using multi-adjusted linear mixed-effects models, Cox regression, and Laplace regression.

Results: CMD multimorbidity was associated with cognitive decline, CIND (hazard ratio [HR] 1.73; 95% confidence interval CI 1.23 to 2.44), and its progression to dementia (HR 1.86; 95% CI 1.17 to 2.97). CMD multimorbidity accelerated the onset of CIND by 2.3 years and dementia by 1.8 years.

Conclusions: CMD multimorbidity accelerates cognitive decline and increases the risk of both CIND and its conversion to dementia.

Highlights: We explored the combined impact of cardiometabolic diseases (CMDs) on cognition. An increasing number of CMDs dose-dependently accelerated cognitive decline. CMD multimorbidity increased the risk of both cognitive impairment and dementia. Co-morbid CMDs could be ideal targets for interventions to protect cognitive health.

Keywords: cardiometabolic disease; cognitive decline; cognitive impairment; dementia; heart disease; population‐based cohort study; stroke; type 2 diabetes.

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References

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