The Role Of High Resolution Intracranial Vessel Wall Imaging In Intracranial Vasculopathies
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The Role Of High Resolution Intracranial Vessel Wall Imaging In Intracranial Vasculopathies
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Author : Juliana u00c1vila Duarte
language : en
Publisher:
Release Date : 2017
The Role Of High Resolution Intracranial Vessel Wall Imaging In Intracranial Vasculopathies written by Juliana u00c1vila Duarte and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Conventional imaging techniques for intracranial arteries (CTA, MRA and DSA) demonstrate abnormalities of the vessel lumen, but may fail to demonstrate vessel wall changes. The high-resolution vessel wall magnetic resonance imaging (HR-VWI) had been used due to its directvisualization of the vessel wall.In this exhibit we provided a pictorial review of some vasculopathies in which the technique may be useful in clinical practice.
The Role Of High Resolution Intracranial Vessel Wall Imaging In Intracranial Vasculopathies
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Author : Laisson de Moura Feitoza
language : en
Publisher:
Release Date : 2017
The Role Of High Resolution Intracranial Vessel Wall Imaging In Intracranial Vasculopathies written by Laisson de Moura Feitoza and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Conventional imaging techniques for intracranial arteries (CTA, MRA and DSA) demonstrate abnormalities of the vessel lumen, but may fail to demonstrate vessel wall changes. The high-resolution vessel wall magnetic resonance imaging (HR-VWI) had been used due to its directvisualization of the vessel wall.In this exhibit we provided a pictorial review of some vasculopathies in which the technique may be useful in clinical practice.
Ultra High Field 7t Magnetic Resonance Imaging Of Intracranial Vessel Wall
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Author : Pablo López-Ojeda
language : en
Publisher:
Release Date : 2014
Ultra High Field 7t Magnetic Resonance Imaging Of Intracranial Vessel Wall written by Pablo López-Ojeda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Intracranial vessel wall imaging may be accomplished with high-field (7T) magnetic resonance (MRI). To determine its feasibility, a 7T MR protocol was defined using Polyvinyl-alcohol cryogel (PVA-C) phantom vessels and healthy subjects. A 2D matrix construct of PVA-C vessel phantoms of different diameters and wall thicknesses was scanned. Three observers measured the phantom images, one of which three times. Physical measurements were performed using a digital caliper. Ten volunteers were scanned using three different MRI sequences (TSE-3D, FLAIR, MPRAGE). Imaging assessment was performed in different circle of Willis (COW) segments. Reliability and accuracy of the measurements was analyzed by inter and intraobserver correlation and by comparison to physical measurements. Phantom measurements showed overall high inter and intraobserver reliability and accuracy (ICC≅0.9). However, precision diminished for smaller vessels (
High Resolution Vessel Wall Mri In Ruptured Cranial Dural Arteriovenous Fistulas
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Author :
language : en
Publisher:
Release Date : 2017
High Resolution Vessel Wall Mri In Ruptured Cranial Dural Arteriovenous Fistulas written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Purpose:High-resolution magnetic resonance vessel wall imaging (MR-VWI) is increasingly being used to characterize intracranial vascular diseases. Recent studies support a paradigm of avid vessel wall enhancement in ruptured or unstable (but not stable, unruptured) intracranial aneurysms. Here we report our preliminary experience in using MR-VWI in the evaluation of ruptured cranial dural arteriovenous fistulas (dAVFs).Methods:A retrospective review of a prospective intracranial MR-VWI database identified a consecutive series of patients with ruptured cranial dAVFs. All patients underwent standard imaging including non-contrast CT, CT angiography, and digital subtraction angiography (DSA). High-risk angio-architectural features, e.g., venous-side aneurysms and varices, were identified and a site-of-rupture determined, if possible, using traditional criteria. MR-VWI was used to evaluate high-risk angio-architectural features for (1) robust enhancement and (2) contiguity to hemorrhagic blood products.Results:Four of seven patients with ruptured cranial dAVFs demonstrated at least one high-risk angio-architectural feature on classical imaging thought to be the site-of-rupture. In all cases, this arterialized venous structure demonstrated robust vessel wall enhancement and was located immediately adjacent to hemorrhagic blood products on MR-VWI. In patients with multiple, high-risk angio-architectural features, only the feature in contiguity with blood and thought to be the site-of-rupture demonstrated enhancement.Conclusions:MR-VWI may be useful in the evaluation of ruptured cranial dAVFs. In particular, it may aid in site-of-rupture identification. These findings support an emerging paradigm that spontaneously ruptured, macrovascular structures, e.g., intracranial aneurysms and venous varices, demonstrate avid vessel wall enhancement. The accurate identification of the ruptured vascular substructure may inform clinical decision-making.
Neurovascular Events After Subarachnoid Hemorrhage
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Author : Javier Fandino
language : en
Publisher: Springer
Release Date : 2014-11-03
Neurovascular Events After Subarachnoid Hemorrhage written by Javier Fandino and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-03 with Medical categories.
This book contains articles presented at the 12th International Conference on Cerebral Vasospasm, held in Lucerne, Switzerland, in July 2013. The included papers represent a balanced cross-section of the enormous progress achieved in basic and clinical research on aneurysmal subarachnoid hemorrhage and its sequelae, including early neurovascular events and delayed cerebral vasospasm. The section on basic research covers a broad range of aspects, with a special focus on animal models for the study of acute events after experimental subarachnoid hemorrhage. The section on clinical topics encompasses imaging and endovascular management, surgical innovations and techniques, management and monitoring in neurocritical care, the status of clinical trials, and factors involved in aneurysm formation. This edition is of interest not only for basic researchers but also for clinicians who wish to apply state-of-the-art knowledge to the research and management of this devastating condition.
Cerebral Microbleeds
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Author : David J. Werring
language : en
Publisher: Cambridge University Press
Release Date : 2011-05-26
Cerebral Microbleeds written by David J. Werring and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-26 with Medical categories.
Stroke is a leading cause of death and disability throughout the world. About one in three symptomatic strokes are due to disease of small perforating arteries; however, most effective interventions are targeted at disease of large arteries. The underlying mechanisms and treatment of small vessel disease remain poorly understood. Microbleeds have emerged as a critical imaging marker of small vessel disease, being found in all types of stroke. With increasing evidence that microbleeds are caused by hypertensive arteriopathy and cerebral amyloid angiopathy, they are likely to play a strong future role in increasing our understanding of the causes of small vessel disease and the potential link between cerebrovascular disease and neurodegeneration. Cerebral Microbleeds summarizes our current knowledge, bringing together expert research from global authorities in the field. This authoritative and systematic text will be of interest to all clinical researchers and physicians in the fields of stroke and cognitive impairment.
Evidence Based Vascular Neuroimaging An Issue Of Neuroimaging Clinics Of North America
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Author : Ajay Malhotra
language : en
Publisher: Elsevier Health Sciences
Release Date : 2021-05-05
Evidence Based Vascular Neuroimaging An Issue Of Neuroimaging Clinics Of North America written by Ajay Malhotra and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-05 with Medical categories.
This issue of Neuroimaging Clinics focuses on Evidence-Based Vascular Neuroimaging and is edited by Drs. Ajay Malhotra and Dheeraj Gandhi. Articles will include: Unruptured Intracranial Aneurysms: Duration, Frequency and Modality Used for Surveillance; Vasospasm: Role of Imaging in Detection and Monitoring Treatment; Extracranial Vascular Disease: Carotid Stenosis and Plaque Imaging; Subarachnoid Hemorrhage: Distribution and Role of Imaging; Acute Ischemic Stroke: MRI-based Paradigms; Imaging of Intracranial Hemorrhage (Non-subarachnoid Hemorrhage); Brain Arteriovenous Malformations: The Role of Imaging in Treatment Planning and Monitoring Response; Intracranial Vascular Disease and Vessel Wall Imaging; Acute Ischemic Stroke: CT/CTA/CTP and Their Role; Imaging for Treated Aneurysms (including clipping, coiling, stents, flow-diverters); and more!
Neurovascular Imaging
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Author : Luca Saba
language : en
Publisher: Springer
Release Date : 2016-01-25
Neurovascular Imaging written by Luca Saba and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-25 with Medical categories.
Vascular Neurology, Vascular Neurosurgery and Interventional Neuroradiology are independent fields with dedicated Training Programs. Neuroimaging, and in particular what we call "Neurovascular Imaging" is a unifying factor which can be considered the intersection of these three medical specialties. With this book we aim to cover thoroughly the imaging techniques, potentialities, and present and future applications as applied to all the vascular diseases of the central nervous system from the imaging point of view. This book will comprise eight main sections: (1) The Basics, (2) Arteries of the Head and Neck (3) The basics of Intracranial Arteries (4) Diseases of the vessels (5) Stroke Imaging (6) Veins Imaging (7) Spine Imaging (8) Pediatrics.
Cerebral Small Vessel Disease
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Author : Leonardo Pantoni
language : en
Publisher: Cambridge University Press
Release Date : 2014-05
Cerebral Small Vessel Disease written by Leonardo Pantoni and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05 with Medical categories.
Up-to-date discussion of the etiology, diagnosis, treatment, and prevention of this common cause of stroke and cognitive impairment.
Clinical Vascular Anatomy And Variations
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Author : P. Lasjaunias
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Clinical Vascular Anatomy And Variations written by P. Lasjaunias and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Medical categories.
The first volume of this second edition of Surgical Neuroangiography contains the previous volumes 1 and 3 in one book. The edited and updated text provides a practical understanding of the challenges that face the modern management of vascular diseases. Additional 3-D angiographic photographs as well as new illustrations complete this classic book of vascular disease management in adults and children. The authors, Pierre Lasjaunias, Alex Berenstein, and Karel ter Brugge are highly committed to both research and teaching . This second edition is a prerequisite for anybody wishing to fully understand clinical challenges and vascular intervention.