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White Matter Cerebrovascular Reactivity: Effects of Microangiopathy and Proximal Occlusions on the Dynamic BOLD Response
CONCLUSION: Our results suggest additive effects of microvascular and macrovascular disease upon white matter CVR, but with greater overall effects relating to macrovascular SOD than to apparent microangiopathy. Dynamic ACZ-BOLD presents a promising path towards a quantitative stroke risk imaging biomarker.BACKGROUND: Cerebral white matter (WM) microangiopathy manifests as sporadic or sometimes confluent high intensity lesions in MR imaging with T2-weighting, and bears known associations with stroke, cognitive disability, depression and other neurological disorders 1-5 . Deep white matter is particularly susceptible to isc...
Source: Atherosclerosis - July 3, 2023 Category: Cardiology Authors: J Michael Gee Xiuyuan Wang Siddhant Dogra Jelle Veraart Koto Ishida Seena Dehkharghani Source Type: research

The relationship of carotid artery disease with mental and neurocognitive disorders
Psychiatriki. 2022 May 26. doi: 10.22365/jpsych.2022.083. Online ahead of print.ABSTRACTCarotid stenosis constitutes a common vascular disease that significantly affects cerebral blood flow and thus is associated with patients' cognitive functions. Carotid revascularization techniques [carotid endarterectomy (CEA) and carotid artery stenting (CAS)] may benefit cognition, though there are opposing findings, reporting an apparent decrement in cognitive function, no effect, or an apparent improvement after revascularization. A great number of studies are trying to evaluate the effect of carotid revascularization (CEA, CAS) on...
Source: Psychiatriki - May 27, 2022 Category: Psychiatry Authors: Christos Ch Liapis Source Type: research

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