期刊
BRAIN PATHOLOGY
卷 27, 期 1, 页码 77-85出版社
WILEY-BLACKWELL
DOI: 10.1111/bpa.12365
关键词
atherosclerosis; brain; cerebrovascular disease; epidemiology; infarction; pathology
资金
- National Institutes of Health [P30 AG10161, R01 AG15819, R01 AG17917, R01 AG40039, R01 NS084965, R01 AG043379]
The relationship of cerebral vessel pathology to brain microinfarcts is not fully understood. We examined associations of cerebral vessel pathology with microinfarcts among community-dwelling persons who came to autopsy. Brain specimens were derived from 1,066 deceased subjects (mean age-at-death=88 years, 65% women) participating in a cohort study of aging. Microinfarcts were classified by number, age and location. Severity of vessel pathologies was graded semi-quantitatively. Almost a third of subjects (n=300; 28%) had at least one chronic microinfarct, including 128 cortical only, 120 subcortical only, and 47 with both. Moderate-to-severe atherosclerosis was present in 430 (41%) subjects, arteriolosclerosis in 382 (36%), and amyloid angiopathy in 374 (35%). The odds of one or multiple microinfarct(s) was increased for more severe atherosclerosis (OR =1.22; 95%CI: 1.03-1.45), arteriolosclerosis (OR =1.18; 95%CI: 1.02-1.37) and amyloid angiopathy (OR =1.13; 95%CI: 1.00-1.28). Separately, the odds of subcortical microinfarct(s) was increased for atherosclerosis (OR =1.49; 95%CI: 1.20-1.84) and arteriolosclerosis (OR =1.39; 95%CI: 1.16-1.67) but not amyloid angiopathy; whereas the odds of cortical microinfarct(s) was increased for amyloid angiopathy (OR =1.26; 95%CI: 1.09-1.46) only. While cerebral vessel pathologies are associated with microinfarct burden, atherosclerosis and arteriolosclerosis are associated with subcortical microinfarcts, and amyloid angiopathy with cortical microinfarcts.
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