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Cardiovascular Risk Factors Cause Cortical Thinning in Cognitively... » Isaúde
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Alzheimer Disease and Associated Disorders
2012-04-01 00:00:00

Cardiovascular Risk Factors Cause Cortical Thinning in Cognitively Impaired Patients: Relationships Among Cardiovascular Risk Factors, White Matter Hyperintensities, and Cortical Atrophy

Descrição: Cardiovascular risk factors are associated with cognitive impairments. However, the effects of cardiovascular risk factors on the topography of cortical thinning have not yet been studied in patients with mild cognitive impairment (MCI) or dementia. Thus, we aimed to evaluate the topography of cortical thinning related to cardiovascular risk factors and the relationships among cardiovascular risk factors, white matter hyperintensities (WMH), and cortical atrophy. Participants included 226 patients with Alzheimer disease or subcortical vascular dementia and 135 patients with amnestic MCI or subcortical vascular MCI. We automatically measured the volume of WMH and cortical thickness. Hypertension was associated with cortical thinning in the frontal and perisylvian regions, and cortical thinning related to diabetes mellitus (DM) occurred in the frontal region. In path analyses, hypertension accounted for 0.04 of the frontal thinning with the mediation of WMH and 0.16 without the mediation of WMH. In case of DM, it accounted for 0.02 of the frontal thinning with the mediation of WMH and 0.13 without the mediation of WMH. Hypertension and DM predominantly affected frontal thinning both with and without the mediation of WMH, where the effects without the mediation of WMH were greater than those with the mediation of WMH.

Seção: Original Articles
Volume: 0
Autor: Luchsinger, Jos? A.; Cheng, Derek; Tang, Ming Xin; Schupf, Nicole; Mayeux, Richard


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