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Clinical Trial
. 2012 Aug;20(8):682-90.
doi: 10.1097/JGP.0b013e318246b6cb.

Cognitive improvement following treatment in late-life depression: relationship to vascular risk and age of onset

Deanna M Barch  1 , Gina DʼAngelo, Carl Pieper, Consuelo H Wilkins, Kathleen Welsh-Bohmer, Warren Taylor, Keith S Garcia, Kenneth Gersing, P Murali Doraiswamy, Yvette I Sheline
Affiliations
Clinical Trial

Cognitive improvement following treatment in late-life depression: relationship to vascular risk and age of onset

Deanna M Barch et al. Am J Geriatr Psychiatry. 2012 Aug.

Abstract

Objectives: To test the hypothesis that the degree of vascular burden and/or age of onset may influence the degree to which cognition can improve during the course of treatment in late-life depression.

Design: Measurement of cognition both before and following 12 weeks of treatment with sertraline.

Setting: University medical centers (Washington University and Duke University).

Participants: One hundred sixty-six individuals with late-life depression.

Intervention: Sertraline treatment.

Measurements: The cognitive tasks were grouped into five domains (language, processing speed, working memory, episodic memory, and executive function). We measured vascular risk using the Framingham Stroke Risk Profile measure. We measured T2-based white matter hyperintensities using the Fazekas criteria.

Results: Both episodic memory and executive function demonstrated significant improvement among adults with late-life depression during treatment with sertraline. Importantly, older age, higher vascular risk scores, and lower baseline Mini-Mental State Examination scores predicted less change in working memory. Furthermore, older age, later age of onset, and higher vascular risk scores predicted less change in executive function.

Conclusions: These results have important clinical implications in that they suggest that a regular assessment of vascular risk in older adults with depression is necessary as a component of treatment planning and in predicting prognosis, both for the course of the depression itself and for the cognitive impairments that often accompany depression in later life.

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Figures

Figure 1
Figure 1
Graph of performance in each of the five cognitive domains at baseline and at post treatment. Significance of change in each cognitive domain was assessed with posthoc contrast (F tests with 1,165 dfs).
Figure 2
Figure 2
Graph of performance in each of the five cognitive domains at baseline and at post treatment, plotted separately for those individuals whose depression remitted by the end of treatment (MADRS score of 7 or less) and for those individuals who depression did not remit by the end of treatment.
See this image and copyright information in PMC

References

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