期刊
NEUROLOGY
卷 78, 期 14, 页码 1043-1050出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1212/WNL.0b013e31824e8e7f
关键词
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资金
- UK Medical Research Council (MRC) [G0500247, G0400074]
- Newcastle Centre for Brain Ageing and Vitality
- BBSRC
- EPSRC
- ESRC
- MRC, LLHW
- Alzheimer's Research (ARUK)
- National Institutes of Health (NINDS)
- Newcastle NIHR Biomedical Research Centre in Ageing and Age Related Diseases
- Alzheimer's Society
- Journe'es de Neurologie de Langue Francaise society
- Alzheimer's Research Trust
- MRC [G0500247, G0900652, G0700718, G0900582, G0400074, G1100540, G0300126, G0502157] Funding Source: UKRI
- Alzheimers Research UK [ART-ESG2010-6, ART-PhD2009-2] Funding Source: researchfish
- Medical Research Council [G0700718, G0500247, G0300126, G0400074, G0900582, G0502157, G1100540, G0900652] Funding Source: researchfish
Objective: Most pathologic studies indicate that significant vascular changes are found in the majority of elderly persons, either alone or in association with neurodegenerative processes such as Alzheimer disease (AD) or dementia with Lewy bodies (DLB). Cumulative burden of cerebrovascular lesions can explain cognitive decline described as vascular cognitive impairment, but because there is a lack of consensus in the best way to quantify vascular pathology, the relationship between cognitive decline and cerebrovascular disease remains uncertain. We developed a rating scheme for cerebrovascular lesions using postmortem brains from patients with dementia from 2 European tertiary care memory clinics. Methods: A total of 135 brains with a neuropathologic diagnosis of vascular dementia (VaD) (n = 26), AD + VaD (n = 39), DLB + VaD (n = 21), AD + DLB + VaD (n = 9), AD (n = 19), and DLB (n = 21) were investigated in this study. Cerebrovascular lesions were rated on large sections from the hippocampus, the temporal lobe, the frontal lobe, and basal ganglia. Results: In patients with dementia, vessel wall modifications such as arteriolosclerosis or amyloid angiopathy are the most common and presumably the earliest changes. Modifications in perivascular spaces and myelin loss are the next most common. Lacunar or regional infarcts may occur as a consequence of an independent process or in the final phase of small vessel diseases. Conclusion: A staging system based on this conceptual model of cerebrovascular pathology could enable the neuropathologic quantification of the cerebrovascular burden in dementia. Further studies are needed to determine whether this system can be used in large-scale studies to understand clinical-cerebrovascular pathologic correlations. Neurology (R) 2012;78:1043-1050
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