Download or read book The Cerebral Circulation written by Marilyn J. Cipolla and published by Biota Publishing. This book was released on 2016-07-28 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book The Cerebral Circulation written by Marilyn J. Cipolla and published by Morgan & Claypool Publishers. This book was released on 2010 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: This presentation 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 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. This chapter will review these special features of the cerebral circulation and how they contribute to the physiology of the brain. Table of Contents: Introduction / Anatomy and Ultrastructure / Perivascular Innervation / Regulation of Cerebrovascular Tone / Control of Cerebral Blood Flow / Barriers of the CNS / Summary / References
Download or read book Basic Physiology for Anaesthetists written by David Chambers and published by Cambridge University Press. This book was released on 2019-07-25 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Easily understood, up-to-date and clinically relevant, this book provides junior anaesthetists with an essential physiology resource.
Download or read book Cerebral Autoregulation written by Stephen Payne and published by Springer. This book was released on 2016-06-24 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Brief provides a comprehensive introduction to the control of blood flow in the brain. Beginning with the basic physiology of autoregulation, the author goes on to discuss measurement techniques, mathematical models, methods of analysis, and relevant clinical conditions, all within this single volume. The author draws together this disparate field, and lays the groundwork for future research directions. The text gives an up-to-date review of the state of the art in cerebral autoregulation, which is particularly relevant as cerebral autoregulation moves from the laboratory to the bedside. Cerebral Autoregulation will be useful to researchers in the physical sciences such as mathematical biology, medical physics, and biomedical engineering whose work is concerned with the brain. Researchers in the medical sciences and clinicians dealing with the brain and blood flow, as well as industry professionals developing techniques such as ultrasound, MRI, and CT will also find this Brief of interest.
Download or read book Physics Pharmacology and Physiology for Anaesthetists written by Matthew E. Cross and published by Cambridge University Press. This book was released on 2014-03-06 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quick reference to basic science for anaesthetists, containing all the key information needed for FRCA exams.
Download or read book Cerebral Blood Flow Regulation written by Nodar Prokof'evich Mitagvariia and published by Nova Biomedical Books. This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of the mechanisms relating blood supply to the brain appeared to be, in some sense, at a deadlock. Despite extensive application of different methodical approaches, no qualitative progress has been observed in these studies at the present time. This is perhaps due to the traditional, but not understandable, separation of neurophysiological and "circulatory" studies. It may seem very paradoxical, but the study of cerebral blood circulation proceeds almost in complete isolation from the knowledge about brain functions and does not take into account the specificity of the working brain as a part of the whole body. This book comprehensively addresses the issues of blood flow regulation. It is well known that the brain belongs to the group of organs having a high level of oxygen consumption. Oxygen consumption by the brain is an average 4.6 ml per 100 g of tissue per minute. In humans, the level of oxygen consumption by the whole brain attains 46 ml/min. This makes up approximately 20% of the total oxygen volume consumed by the organism. Consequently, the cerebral tissue is characterised by highly energetic processes. There is evidence indicating that even in functionally resting conditions, 18% of the entire energy expenditure of the body is utilised by the brain Calculations made by Rushmer indicate that the intensity of energy consumption by the human brain appears to be on average 20 Watt.
Download or read book Core Topics in Neuroanaesthesia and Neurointensive Care written by Basil F. Matta and published by Cambridge University Press. This book was released on 2011-10-13 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Core Topics in Neuroanesthesia and Neurointensive Care is an authoritative and practical clinical text that offers clear diagnostic and management guidance for a wide range of neuroanesthesia and neurocritical care problems. With coverage of every aspect of the discipline by outstanding world experts, this should be the first book to which practitioners turn for easily accessible and definitive advice. Initial sections cover relevant anatomy, physiology and pharmacology, intraoperative and critical care monitoring and neuroimaging. These are followed by detailed sections covering all aspects of neuroanesthesia and neurointensive care in both adult and pediatric patients. The final chapter discusses ethical and legal issues. Each chapter delivers a state-of-the art review of clinical practice, including outcome data when available. Enhanced throughout with numerous clinical photographs and line drawings, this practical and accessible text is key reading for trainee and consultant anesthetists and critical care specialists.
Download or read book Gupta and Gelb s Essentials of Neuroanesthesia and Neurointensive Care written by Arun Gupta and published by Cambridge University Press. This book was released on 2018-06-21 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition presents core clinical neuroanesthesia and neurointensive care knowledge in a practical, user-friendly format.
Download or read book Progress in Brain Research written by J. P. Schadé and published by . This book was released on 1963 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cerebral Blood Flow and Metabolism written by Lars Edvinsson and published by . This book was released on 2002 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written and edited by the world's foremost authorities, the Second Edition of this landmark work is a current, comprehensive reference on cerebral blood flow and metabolism. The book covers the entire field in a systematic and coherent way and synthesizes the diverse body of basic science and clinical literature. The reader will gain a complete understanding of the anatomical, physiological, and pharmacological bases of the cerebral circulation, its regulation in health and disease, and the pathophysiological disturbances occurring in cerebrovascular disorders. Coverage includes stimulating discussions of future directions for research and therapeutic intervention.
Download or read book Oxford Textbook of Neurocritical Care written by Martin Smith and published by Oxford University Press. This book was released on 2016 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Oxford Textbook of Neurocritical Care provides an authoritative and up-to-date summary of the scientific basis, clinical techniques and management guidelines in this exciting clinical discipline. Authored by an international team of expert practitioners this textbook reflects world-wide practice.
Download or read book Monitoring of Cerebral Blood Flow and Metabolism in Intensive Care written by Andreas Unterberg and published by Springer. This book was released on 2012-02-28 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until recently, monitoring of cerebral blood flow and metabolism was an unattained goal. Determination of cerebral blood flow was limited to intermittent measurements and particularly difficult to perform in critically ill patients. Meanwhile there are techniques available, however, to monitor cerebral blood flow and cerebral oxygenation, both globally and regionally. Therefore we thought it worthwhile to discuss these new continuous techniques and to compare them with well-known techniques which discontinuously measure CBF. For that purpose, an international workshop with some leading experts in the field was held in October 1992 in Berlin. The workshop consisted of about 20 lectures, either reviews on a special topic, or latest results. These contributions were given by invitation and were extensively discussed. Unfortunately it is impossible to reproduce the discussions. On the other hand, all speakers delivered a manuscript promptly after the meeting so that we were able to edit them within a short time. Since monitoring of cerebral blood flow in intensive care is a rapidly growing and changing topic, the written contributions should be quickly available. Authors, editors and publishers have tried to come close to this ideal. As editors we would like to thank the authors and the publishers who enabled us to come out with this volume of the proceedings as early as possible.
Download or read book Critical Care of the Stroke Patient written by Stefan Schwab and published by Cambridge University Press. This book was released on 2014-06-05 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and groundbreaking therapeutic options for the critical care of patients with cerebrovascular disease have improved patient management, minimized morbidity, reduced in-patient care, improved quality of life, and had a positive economic impact on health service provision. This volume integrates these approaches and suggests the best therapy option for all cerebrovascular conditions. The early chapters of the book focus on monitoring techniques and interventions. Subsequent sections address the critical care of a wide range of cerebrovascular diseases: ischemic stroke, intracranial hemorrhage, subarachnoid hemorrhage, arteriovenous malformations, cerebral venous thrombosis and traumatic injury. The editors and authors are internationally recognized experts in their field, and the text is supplemented by tables and illustrations to demonstrate important clinical findings. This book will meet the needs of stroke physicians, neurologists, neurosurgeons, neurointensivists and interventional neuroradiologists seeking to maximize positive outcomes for their patients.
Download or read book Anesthesiology Core Review written by Brian Freeman and published by McGraw Hill Professional. This book was released on 2014-07-06 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: A rigorous, high-yield review for the new ABA Part 1: BASIC Examination The year 2014 marks the beginning of a new phase in board certification for anesthesiology residents in the United States. The Part 1 exam is now split into two written examinations: Basic and Advanced. Anesthesiology. Residents who are unable to pass the Basic examination will not be allowed to finish their training. That's why this book is a true must read for every anesthesiology resident. It is the single best way to take the stress out of this make-or-break exam, focus your study on nearly 200 must-know topics found on the board exam outline, and identify your areas of strength and weakness. Written by program directors with many years of board examination advising experience, Anesthesiology Core Review Part One: BASIC Exam is designed to be the cornerstone of your study preparation. Each chapter of Anesthesiology Core Review succinctly summarizes key concepts in basic science and clinical anesthesia practice. Space is conveniently provided throughout the book to add notes from other study resources. Anesthesiology Core Review Part One: BASIC Exam is logical divided into four sections: Basic Science Clinical Sciences Organ-Based Sciences Special Issues in Anesthesiology (covering important topics such as professionalism and licensure, ethics, and patient safety) With its expert authorship and concise yet thorough coverage, Anesthesiology Core Review Part One: BASIC Exam is biggest step you can take to assure effective preparation for the new ABA BASIC Examination.
Download or read book Cardiovascular Pharmacology Endothelial Control written by and published by Academic Press. This book was released on 2010-12-16 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cardiovascular disease remains a major cause of death and disability in developed countries and, increasingly so, in the developing world. Presented in this volume of Advances in Pharmacology are some of the most promising possibilities for treating large numbers of individuals afflicted with these conditions. - Contains up-to-date reviews of the most important emerging cardiovascular therapies written by world leaders in the field
Download or read book Advances in Cerebral Blood Flow written by Korte Nils and published by . This book was released on 2021-12-24 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cerebral Blood Flow And Metabolism A Quantitative Approach written by Stephen John Payne and published by World Scientific. This book was released on 2017-10-06 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the way in which the human brain is supplied with blood and how the brain uses this to provide nutrients, primarily oxygen and glucose, to brain cells in order to maintain healthy brain function. In particular, it focuses on the quantitative nature of blood flow and metabolism. The book covers models of blood flow and metabolism and how these can be measured using a variety of imaging and non-imaging techniques. It also examines how cerebral blood flow is controlled in response to a wide variety of challenges and how it changes with normal physiological variation and in response to a large number of pathological conditions, including stroke and dementia.As the first substantial book for over ten years in a fast-changing field, it highlights how the subject has progressed in the last couple of decades. It tackles the subject in a quantitative way, underlining its importance in both technical and clinical fields. Audiences with a technical or clinical background, especially researchers and postgraduate students in biomedical engineering or medicine, will find this a valuable read.
