Cerebral Small Vessel Disease Progression and the Risk of Dementia: A 14-Year Follow-Up Study

Mina A. Jacob, Mengfei Cai, Vera van de Donk, Mayra Bergkamp, José Marques, David G. Norris, Roy P.C. Kessels, Jurgen A.H.R. Claassen, Marco Duering, Anil M. Tuladhar, Frank Erik de Leeuw

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)


OBJECTIVE: Cerebral small vessel disease (SVD) is considered the most important vascular contributor to cognitive decline and dementia, although a causal relation between its MRI markers and dementia still needs to be established. The authors investigated the relation between baseline SVD severity as well as SVD progression on MRI markers and incident dementia, by subtype, in individuals with sporadic SVD over a follow-up period of 14 years. METHODS: The study included 503 participants with sporadic SVD, and without dementia, from the prospective Radboud University Nijmegen Diffusion Tensor and Magnetic Resonance Cohort (RUN DMC) study, with screening for baseline inclusion conducted in 2006. Follow-ups in 2011, 2015, and 2020 included cognitive assessments and MRI scans. Dementia was diagnosed according to DSM-5 criteria and stratified into Alzheimer's dementia and vascular dementia. RESULTS: Dementia as an endpoint was available for 498 participants (99.0%) and occurred in 108 participants (21.5%) (Alzheimer's dementia, N=38; vascular dementia, N=34; mixed-etiology Alzheimer's dementia/vascular dementia, N=26), with a median follow-up time of 13.2 years (interquartile range, 8.8-13.8). Higher baseline white matter hyperintensity (WMH) volume (hazard ratio=1.31 per 1-SD increase, 95% CI=1.02-1.67), presence of diffusion-weighted-imaging-positive lesions (hazard ratio=2.03, 95% CI=1.01-4.04), and higher peak width of skeletonized mean diffusivity (hazard ratio=1.24 per 1-SD increase, 95% CI=1.02-1.51) were independently associated with all-cause dementia and vascular dementia. WMH progression predicted incident all-cause dementia (hazard ratio=1.76 per 1-SD increase, 95% CI=1.18-2.63). CONCLUSIONS: Both baseline SVD severity and SVD progression were independently associated with an increase in risk of all-cause dementia over a follow-up of 14 years. The results suggest that SVD progression precedes dementia and may causally contribute to its development. Slowing SVD progression may delay dementia onset.

Original languageEnglish
Pages (from-to)508-518
Number of pages11
JournalThe American journal of psychiatry
Issue number7
Early online date19 Apr 2023
Publication statusPublished - 1 Jul 2023
Externally publishedYes


  • Alzheimer’s Disease
  • Cognitive Decline
  • Dementia
  • MRI
  • Neuroimaging
  • Small Vessel Disease
  • NLA


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