Cerebral small-vessel disease and progression of brain atrophy: the SMART-MR study.

Abstract:

OBJECTIVES:To investigate whether severity and progression of periventricular and deep white matter lesions (WML) and lacunar infarcts were associated with progression of brain atrophy. METHODS:Within the SMART-MR study, a prospective cohort on MRI changes in patients with symptomatic atherosclerotic disease, 565 patients (57 ± 9 years) without large infarcts had vascular screening and 1.5 T MRI at baseline and after a mean follow-up of 3.9 years. With automated brain segmentation, total brain, cortical gray matter, ventricular, and WML volumes were estimated and expressed relative to intracranial volume (%). Lacunar infarcts were rated manually. RESULTS:Using linear regression analyses adjusted for demographics and vascular risk factors, periventricular WML volume at baseline was associated with greater decrease in cortical gray matter volume (B = -1.73%, 95% confidence interval [CI] -3.15% to -0.30%, per 1% WML volume increase) and greater increase in ventricular volume (B = 0.12%, 95% CI 0.04% to 0.20%). Progression of periventricular WML volume corresponded with a greater decrease in cortical gray matter volume (B = -0.45%, 95% CI -0.9% to 0%) and greater increase in ventricular volume (B = 0.15%, 95% CI 0.1% to 0.2%). Presence of lacunar infarcts was associated with greater decline in total brain volume (B = -0.25%, 95% CI -0.49% to -0.01%) and progression of lacunar infarcts with a greater decrease of total brain (B = -0.30%, 95% CI -0.59% to 0.01%) and cortical gray matter volume (B = -0.81%, 95% CI -1.43% to -0.20%). CONCLUSIONS:In patients with symptomatic atherosclerotic disease, presence and progression of periventricular WML and lacunar infarcts is associated with greater progression of brain atrophy independent of vascular risk factors.

journal_name

Neurology

journal_title

Neurology

authors

Kloppenborg RP,Nederkoorn PJ,Grool AM,Vincken KL,Mali WP,Vermeulen M,van der Graaf Y,Geerlings MI,SMART Study Group.

doi

10.1212/WNL.0b013e3182749f02

subject

Has Abstract

pub_date

2012-11-13 00:00:00

pages

2029-36

issue

20

eissn

0028-3878

issn

1526-632X

pii

WNL.0b013e3182749f02

journal_volume

79

pub_type

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