학술논문

Vascular dysfunction-The disregarded partner of Alzheimer's disease
Document Type
Source
Alzheimers & Dementia. 15(1):158-167
Subject
Neurosciences
Neurovetenskaper
Alzheimer's disease
Vascular
Blood-brain barrier
Cerebral blood flow
MRI
Biomarkers
cerebral-blood-flow
mild cognitive impairment
small vessel disease
diminished glucose-transport
brain-barrier breakdown
white-matter
risk-factors
cerebrovascular reactivity
neurovascular dysfunction
longitudinal evaluation
Neurosciences & Neurology
dougal db
proceedings of the national academy of sciences of the united states of america
v87
p1357
Language
English
ISSN
1552-5260
Abstract
Increasing evidence recognizes Alzheimer's disease (AD) as a multifactorial and heterogeneous disease with multiple contributors to its pathophysiology, including vascular dysfunction. The recently updated AD Research Framework put forth by the National Institute on Aging-Alzheimer's Association describes a biomarker-based pathologic definition of AD focused on amyloid, tau, and neuronal injury. In response to this article, here we first discussed evidence that vascular dysfunction is an important early event in AD pathophysiology. Next, we examined various imaging sequences that could be easily implemented to evaluate different types of vascular dysfunction associated with, and/or contributing to, AD pathophysiology, including changes in blood-brain barrier integrity and cerebral blood flow. Vascular imaging biomarkers of small vessel disease of the brain, which is responsible for >50% of dementia worldwide, including AD, are already established, well characterized, and easy to recognize. We suggest that these vascular biomarkers should be incorporated into the AD Research Framework to gain a better understanding of AD pathophysiology and aid in treatment efforts. (C) 2018 the Alzheimer's Association. Published by Elsevier Inc. All rights reserved.