Results 21 to 30 of about 137,354 (293)
Anatomical variants of circle of Willis [PDF]
Praxis Medica, 2020 Introduction: The circle of Willis is the major source of collateral blood flow between the carotid and vertebrobasilar system. Its potential depends on the presence and size of arteries that vary greatly among normal individuals and therefore their ...
Milenković Aleksandra +6 more
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Anatomical variations of the circle of Willis and cerebrovascular accidents in transitional Albania [PDF]
, 2023 Aim: The purpose of this study was twofold: i) in a case-control design, to determine the relationship between anatomical variations of the circle of Willis and cerebrovascular accidents; ii) to assess the association between anatomical variations ...
Cekaj, Elton +3 more
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Normal Variants of the Circle of Willis in patients undergoing CT Angiography
Journal of College of Medical Sciences-Nepal, 2017 Background & Objectives: The Circle of Willis represents the important anastomotic cerebral vessels at the base of the brain. Variation in the Circle of Willis is common. A complete or normal Circle of Willis varies widely in the literature.
V Natraj Prasad +2 more
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Evidence and Mechanisms for Embolic Stroke in Contralateral Hemispheres From Carotid Artery Sources
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2023 Background Disambiguation of embolus pathogenesis in embolic strokes is often a clinical challenge. One common source of embolic stroke is the carotid arteries, with emboli originating due to plaque buildup or perioperatively during revascularization ...
Ricardo Roopnarinesingh +2 more
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Isolated left vertebral artery and its consequences for aortic arch repair
Journal of Vascular Surgery Cases and Innovative Techniques, 2019 A left vertebral artery (LVA) originating directly from the aortic arch is the second most common supra-aortic branching anomaly. This isolated LVA can also terminate in the posterior inferior cerebellar artery without contributing to the circle of ...
Emma van der Weijde, MD +3 more
doaj +1 more source
Journal of Nepal Medical Association, 2020 Introduction: Variation in Circle of Willis is a commonly encountered entity in patients undergoing computed tomography angiography, identification of which is crucial in the management of patients with vascular pathologies.
Prajwal Dhakal +5 more
doaj +1 more source
Segmentation of Circle of Willis from 7T TOF-MRI data and immersive exploration using VR
Current Directions in Biomedical Engineering, 2022 7T TOF MRI scans provide high resolution images of intracranial vasculature. When segmented, the Circle of Willis is detailed and thus opens up new possibilities, in research but also in education.
Spitz Lena +5 more
doaj +1 more source
Animals, 2023 Carnivores are a wide, diverse group of mammals whose representatives live all over the world. The study presents the results of the analysis of the arterial vascularization of the blood supply to the cerebral arterial circle of selected species in the ...
Maciej Zdun +3 more
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Computational modelling of emboli travel trajectories in cerebral arteries: Influence of microembolic particle size and density [PDF]
, 2014 This article has been made available through the Brunel Open Access Publishing Fund.Ischaemic stroke is responsible for up to 80 % of stroke cases. Prevention of the reoccurrence of ischaemic attack or stroke for patients who survived the first symptoms ...
A Adboix +15 more
core +2 more sources
Angiography Analysis of Variations of the Posterior Segment of the Circle of Willis
Biomolecules & Biomedicine, 2005 Cerebral-vascular diseases present one of the leading problems of the modern mankind. They are followed by the risk of high mortality rate, and as such cause high level of disability with people who survive cerebral-vascular incident (stroke, apoplexy).
Alma Voljevica +3 more
doaj +1 more source