Cerebrovascular Reactivity

Cerebrovascular Reactivity PDF Author: Jean Chen
Publisher: Humana
ISBN: 9781071617625
Category : Medical
Languages : en
Pages : 218

Get Book Here

Book Description
This volume provides a comprehensive overview of the methodology, physiology, and contemporary and novel applications of cerebrovascular reactivity (CVR) measurements. The chapters in this book cover topics such as an introduction of the neurophysiology, neuroimaging, and clinical methods for CVR measurement; the use of CVR methods in the study of aging, cerebrovascular dysfunction, dementia, and brain tumors; and recommendations for measurement protocols and future applications in clinical translation. In Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your research center and clinical investigation. Thorough and comprehensive, Cerebrovascular Reactivity: Methodological Advances and Clinical Applications is a valuable tool that provides researchers in neuroscience and neurology with the latest resources on the measurement, interpretation, and application of CVR measurement.

Cerebrovascular Reactivity

Cerebrovascular Reactivity PDF Author: Jean Chen
Publisher: Humana
ISBN: 9781071617625
Category : Medical
Languages : en
Pages : 218

Get Book Here

Book Description
This volume provides a comprehensive overview of the methodology, physiology, and contemporary and novel applications of cerebrovascular reactivity (CVR) measurements. The chapters in this book cover topics such as an introduction of the neurophysiology, neuroimaging, and clinical methods for CVR measurement; the use of CVR methods in the study of aging, cerebrovascular dysfunction, dementia, and brain tumors; and recommendations for measurement protocols and future applications in clinical translation. In Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your research center and clinical investigation. Thorough and comprehensive, Cerebrovascular Reactivity: Methodological Advances and Clinical Applications is a valuable tool that provides researchers in neuroscience and neurology with the latest resources on the measurement, interpretation, and application of CVR measurement.

Imaging Cerebrovascular Reactivity: Physiology, Physics and Therapy

Imaging Cerebrovascular Reactivity: Physiology, Physics and Therapy PDF Author: James Duffin
Publisher: Frontiers Media SA
ISBN: 2889714543
Category : Science
Languages : en
Pages : 301

Get Book Here

Book Description
Topic Editor Prof. James Duffin contributed to the development of an automated end-tidal targeting device, RespirActTM and is employed by Thornhill Medical Inc. (Toronto, Canada). RespirActTM is currently a non-commercial research tool assembled and made available by TMI to research institutions to enable CVR studies. All other Topic Editors declare no competing interests with regards to the Research Topic subject.

Cerebrovascular Reactivity

Cerebrovascular Reactivity PDF Author: Jean Chen
Publisher: Humana
ISBN: 9781071617656
Category : Medical
Languages : en
Pages : 0

Get Book Here

Book Description
This volume provides a comprehensive overview of the methodology, physiology, and contemporary and novel applications of cerebrovascular reactivity (CVR) measurements. The chapters in this book cover topics such as an introduction of the neurophysiology, neuroimaging, and clinical methods for CVR measurement; the use of CVR methods in the study of aging, cerebrovascular dysfunction, dementia, and brain tumors; and recommendations for measurement protocols and future applications in clinical translation. In Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your research center and clinical investigation. Thorough and comprehensive, Cerebrovascular Reactivity: Methodological Advances and Clinical Applications is a valuable tool that provides researchers in neuroscience and neurology with the latest resources on the measurement, interpretation, and application of CVR measurement.

Trends in Cerebrovascular Surgery

Trends in Cerebrovascular Surgery PDF Author: Tetsuya Tsukahara
Publisher: Springer
ISBN: 9783319298856
Category : Medical
Languages : en
Pages : 0

Get Book Here

Book Description
This volume provides an overview of new concepts in neurovascular interventions based on clinical and scientific knowledge of cerebrovascular disorders. It especially focuses on subarachnoid hemorrhage and cerebrovascular malformations, e.g. aneurysms, arterio-venous malformations, and cavernomas. A separate part addresses cerebral revascularization for both complex aneurysms and ischemia. All contributions were written by recognized experts and cover original papers presented at the 7th European Japanese Stroke Surgery Conference, held in Verona, Italy in June 2014. The authors present new trends and strategies for managing emerging problems, as well as in-depth discussions on controversial issues in the field.

The Cerebral Circulation

The Cerebral Circulation PDF Author: Marilyn J. Cipolla
Publisher: Biota Publishing
ISBN: 1615047239
Category : Medical
Languages : en
Pages : 82

Get Book Here

Book Description
This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.

Manual of Neurosonology

Manual of Neurosonology PDF Author: László Csiba
Publisher: Cambridge University Press
ISBN: 1107659159
Category : Medical
Languages : en
Pages : 333

Get Book Here

Book Description
Neurosonology is non-invasive, portable, and has excellent temporal resolution, making it a valuable and increasingly popular tool for the diagnosis and monitoring of neurological conditions when compared to other imaging techniques. This guide looks beyond the use of neurovascular ultrasound in stroke to encompass a wide range of other neurological diseases and emergencies. It offers a practical approach to the examination of patients, interpretation of ultrasound studies, and the application of neurosonology to the development of management and treatment strategies. Each chapter incorporates a thorough and clear procedural methodology alongside scanning tips for trainees; this step-by-step approach is further enhanced by example images and focused diagnostic questions. Authored and edited by international experts, this practical manual of neurosonology is an invaluable resource for neurologists, neurosurgeons, intensivists, radiologists, and ultrasonographers.

QUANTITATIVE ASSESSMENT OF CEREBROVASCULAR REACTIVITY USING BRAIN SPECT

QUANTITATIVE ASSESSMENT OF CEREBROVASCULAR REACTIVITY USING BRAIN SPECT PDF Author: Nambeom Kim
Publisher:
ISBN:
Category :
Languages : en
Pages :

Get Book Here

Book Description
Background and Aims: The study aimed to develop the quantitative cerebrovascular reactivity (CVR) assessment tool using acetazolamide (ACZ) single photon emission computed tomography (SPECT), helping in the treatment and/or prevention of cerebrovascular diseases and playing a role as a useful tool for communication between doctors as well as patients. Methods: The quantitative CVR (qCVR) is measured with the ratio of u2018Base-SPECTu2019 and u2018ACZ-SPECTu2019 data. Automated preprocessing steps for creating CVR map. Here, CVR values were calculated with two approaches, u201cROI-basedu201d and u201cVoxel-basedu201d. The regional CVR (rCVR) value (%) and qCVR (from 0 to 1) were further calculated with the formulas, respectively, to remove individual difference in reactivity, basal blood flow and blood vessel perfusion. Furthermore, the nuclear medical specialists assessed the severity of patients with and without the calculated CVR values. The calculated qCVR values in all ROI regions were also ranked for further analysis.Results: Distribution of qCVR values in all regions of a representative subject was shown in Fig. 1 in which only u201cVoxel-basedu201d CVR provided the CVR distribution.Conclusions: The developed qCVR program provided not only quantitative assessment, but also improved user's convenience by configuring software program with GUI. When the distribution of u201cVoxel-basedu201d CVR values is analyzed, the range of normal subjects would be determined statistically and it would be utilized as a quantitative analysis technique to predict the risk factor related with the reduced range of CVR values in patients.

Brain Edema XI

Brain Edema XI PDF Author: A.D. Mendelow
Publisher: Springer Science & Business Media
ISBN: 3709163463
Category : Medical
Languages : en
Pages : 612

Get Book Here

Book Description
Brain edema is found in a wide variety of clinical disorders including stroke, intracerebral haemorrhage, subarachnoid haemorrhage, head injury, brain tumors and hydrocephalus. This volume brings together clinical and basic scientists from all over the world. Their expertise in the understanding of brain edema and shifts in brain water compartments has led to a further significant step in our understanding of those diseases characterized by brain edema. This book has also drawn on the expertise of the International Advisory Board of the Brain Edema Society, who have carefully summarized each section, thus providing an easy-to-read summary of the latest advances in each subject. The book is therefore much more than a collection of papers: it represents a critical appraisal and puts each paper into modern scientific context. The greatest advances have come from the rapid development of modern imaging techniques, especially with magnetic resonance imaging (MRI). Imaging can now produce "water maps” and "metabolic profiles” that bring brain metabolism and water content right into every clinic with access to MRI. This book provides the background knowledge to understand these pathophysiological changes.

Hybrid PET/MR Neuroimaging

Hybrid PET/MR Neuroimaging PDF Author: Ana M. Franceschi
Publisher: Springer
ISBN: 9783030823696
Category : Medical
Languages : en
Pages : 0

Get Book Here

Book Description
This book serves as a reference and comprehensive guide for PET/MR neuroimaging. The field of PET/MR is rapidly evolving, however, there is no standard resource summarizing the vast information and its potential applications. This book will guide neurological molecular imaging applications in both clinical practice and the research setting. Experts from multiple disciplines, including radiologists, researchers, and physicists, have collaborated to bring their knowledge and expertise together. Sections begin by covering general considerations, including public health and economic implications, the physics of PET/MR systems, an overview of hot lab and cyclotron, and radiotracers used in neurologic PET/MRI. There is then coverage of each major disease/systemic category, including dementia and neurodegenerative disease, epilepsy localization, brain tumors, inflammatory and infectious CNS disorders, head and neck imaging, as well as vascular hybrid imaging. Together, we have created a thorough, concise and up-to-date textbook in a unique, user-friendly format. This is an ideal guide for neuroradiologists, nuclear medicine specialists, medical physicists, clinical trainees and researchers.

Brain Aging

Brain Aging PDF Author: David R. Riddle
Publisher: CRC Press
ISBN: 9781420005523
Category : Medical
Languages : en
Pages : 408

Get Book Here

Book Description
Recognition that aging is not the accumulation of disease, but rather comprises fundamental biological processes that are amenable to experimental study, is the basis for the recent growth of experimental biogerontology. As increasingly sophisticated studies provide greater understanding of what occurs in the aging brain and how these changes occur