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Diffusion-weighted imaging–detected ischemic lesions associated with flow-diverting stents in intracranial aneurysms: safety, potential mechanisms, clinical outcome, and concerns
Abstract : It was initially considered safe for flow-diverting stents to cover the ostia of branching vessels during endovascular procedures for the treatment of intracranial aneurysms. As more recent evidence suggests, however, their use is not always free of ischemic concerns in terms of covered arterial ostia. The authors sought to determine the frequency of silent and clinically evident diffusion-weighted imaging (DWI)-detected abnormalities related to stent placement as a means of elucidating potential clinical risks.
Keywords :
ACA = anterior cerebral artery
AChA = anterior choroidal artery
ACoA = anterior communicating artery
ARU = aspirin reaction unit
DSA = digital subtraction angiography
DWI = diffusion-weighted imaging
ECA = external carotid artery
MCA = middle cerebral artery
OKM = O'Kelly and Marotta
PCoA = posterior communicating artery
PRU = P2Y12 reactivity unit
SAH = subarachnoid hemorrhage
VA = vertebral artery
brain ischemia
cICA = cavernous segment of the internal carotid artery
diffusion-weighted imaging
intracranial aneurysms
mRS = modified Rankin Scale
stent
vascular disorders
https://hal-unilim.archives-ouvertes.fr/hal-01646668
Contributeur : Elisabeth Grelier <>
Soumis le : jeudi 23 novembre 2017 - 16:18:56
Dernière modification le : lundi 13 janvier 2020 - 09:14:04
Contributeur : Elisabeth Grelier <>
Soumis le : jeudi 23 novembre 2017 - 16:18:56
Dernière modification le : lundi 13 janvier 2020 - 09:14:04
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