Abstract:
OBJECTIVE:We prospectively investigated the role of depressive symptoms (DS) on all-cause dementia in a population with small vessel disease (SVD), considering onset age of DS and cognitive performance. METHODS:The RUN DMC study (Radboud University Nijmegen Diffusion Tensor and Magnetic Resonance Cohort) is a prospective cohort study among 503 older adults with SVD on MRI without dementia at baseline (2006), with a follow-up of 5 years (2012). Kaplan-Meier curves stratified for DS and dementia risk were compared using log-rank test. We calculated hazard ratios using Cox regression analyses. RESULTS:Follow-up was available for 496 participants (mean baseline age 65.6 years [SD 8.8]; mean follow-up time 5.2 years). All-cause dementia developed in 41 participants. The 5.5-year dementia risk was higher in those with DS (hazard ratio 2.7, 95% confidence interval 1.4-5.2), independent of confounders. This was driven by those with late-onset DS. Five-year cumulative risk difference for dementia was higher in participants with depressive symptoms who had high baseline cognitive performance (no DS 0.0% vs DS 6.9%, log-rank p < 0.001) compared with those who had low cognitive performance at baseline. CONCLUSIONS:Late-onset DS increases dementia risk, independent of SVD. Especially in those with relatively high cognitive performance, DS indicate a higher risk. In contrast to current practice, clinicians should monitor those with DS who also show relatively good cognitive test scores.
journal_name
Neurologyjournal_title
Neurologyauthors
van Uden IW,van der Holst HM,van Leijsen EM,Tuladhar AM,van Norden AG,de Laat KF,Claassen JA,van Dijk EJ,Kessels RP,Richard E,Tendolkar I,de Leeuw FEdoi
10.1212/WNL.0000000000003089subject
Has Abstractpub_date
2016-09-13 00:00:00pages
1102-9issue
11eissn
0028-3878issn
1526-632Xpii
WNL.0000000000003089journal_volume
87pub_type
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