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Author : Arnold Henry Blatt
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (228 download)
Download or read book Studies on Autoregulation of Renal Blood Flow written by Arnold Henry Blatt and published by . This book was released on 1966 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lerner B. Hinshaw
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 ( download)
Download or read book Mechanism of Autoregulation in the Intact Kidney written by Lerner B. Hinshaw and published by . This book was released on 1963 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of the investigation is the mechanism of autoregulation of blood flow in the intact kidney. The left kidney of the anesthetized dog was exposed via a flank approach. Renal venous outflow was measured during control periods and following separate elevations of renal artery pressure, renal vein pressure, and ureteral pressure. Extravascular pressure (tissue pressure) was estimated by obtaining values of (a) deep vein pressure; (b) needle pressure; (c) and (d) large vein pressure and ureteral pressure elevations resulting in significant decreases in renal blood flow. Results are in agreement with previously reported studies regarding the important role of extravascular pressure in autoregulation. Increases in renal artery pressure result in elevations of extravascular pressure which compress the renal vasculature. Increases in renal vein and ureteral pressures did not decrease renal blood flow until approximating or exceeding resting tissue pressure. Results from carotid artery occlusion experiments indicate that extrarenal humoral influences may be superimposed on the autoregulatory phenomenon. (Author).
Author : Neil N. Turner
Publisher : Oxford University Press
ISBN 13 : 0191017655
Total Pages : 3045 pages
Book Rating : 4.1/5 (91 download)
Download or read book Oxford Textbook of Clinical Nephrology written by Neil N. Turner and published by Oxford University Press. This book was released on 2015-10-29 with total page 3045 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fourth edition of the Oxford Textbook of Clinical Nephrology builds on the success and international reputation of the publication as an important resource for the practising clinician in the field. It provides practical, scholarly, and evidence-based coverage of the full spectrum of clinical nephrology, written by a global faculty of experts. The most relevant and important reference to clinical nephrology, this is an authoritative and comprehensive textbook combining the clinical aspects of renal disease essential to daily clinical practice with extensive information about the underlying basic science and current evidence available. Each section of the textbook has been critically and comprehensively edited under the auspices of a leading expert in the field. This new edition has been significantly expanded and reapportioned to reflect developments and new approaches to topics, and includes treatment algorithms to aid and enhance patient care where possible. The fourth edition offers increased focus on the medical aspects of transplantation, HIV-associated renal disease, and infection and renal disease, alongside entirely new sections on genetic topics and clinical and physiological aspects of fluid/electrolyte and tubular disorders. The emphasis throughout is on marrying advances in scientific research with clinical management. Richly illustrated throughout in full colour, this is a truly modern and attractive edition which reinforces the Oxford Textbook of Clinical Nephrology's position as an indispensable reference work of consistent quality and reliability. Enriched and refined by careful revision, this new edition continues the tradition of excellence. This print edition of The Oxford Textbook of Clinical Nephrology comes with a year's access to the online version on Oxford Medicine Online. By activating your unique access code, you can read and annotate the full text online, follow links from the references to primary research materials, and view, enlarge and download all the figures and tables. Oxford Medicine Online is mobile optimized for access when and where you need it.
Author : Esmail Koushanpour
Publisher : Springer Science & Business Media
ISBN 13 : 1475719124
Total Pages : 402 pages
Book Rating : 4.4/5 (757 download)
Download or read book Renal Physiology written by Esmail Koushanpour and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of this book was well received by updated. The two of us have made further collab orative efforts to present a better understanding of medical students, graduate students, and clinicians interested in furthering their understanding of basic the function of the kidney in conjunction with the principles of renal physiology. Most of the reviews most recent anatomical findings. of the first edition and comments from the various The second edition consists of 13 Chapters and 3 instructors who used the book were very positive Appendices. As in the first edition, the anatomical and complimentary with regard to the presentation description of the kidney is incorporated into the of the physiological information and the use of the various chapters dealing with kidney functions. Most system analysis approach to describe renal function. of the anatomical information was written by Wil These positive and encouraging comments over the helm Kriz. The physiological information was writ past nine years, since the publication of the first ten by Esmail Koushanpour, except for Chapter 12 edition, gave us the impetus to consider the prepa which was jointly written. Chapters 1 through 3 were ration of a second edition.
Author : Douglas C. Eaton
Publisher : McGraw Hill Professional
ISBN 13 : 0071613048
Total Pages : 231 pages
Book Rating : 4.0/5 (716 download)
Download or read book Vander's Renal Physiology, 7th Edition written by Douglas C. Eaton and published by McGraw Hill Professional. This book was released on 2009-07-31 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: The structure, function, and pathologies of the human kidney -- simplified and explained A Doody's Core Title for 2011! 4 STAR DOODY'S REVIEW! "This seventh edition of a concise, well written book on renal physiology continues the legacy of the book as a major contributor in the field....This well written book is an excellent review of renal function and is one of the best concise reviews of the topic."--Doody's Review Service Written in a concise, conversational style, this trusted text reviews the fundamental principles of renal physiology that are essential for an understanding of clinical medicine. Combining the latest research with a fully integrated teaching approach, Vander's Renal Physiology explains how the kidneys affect other body systems and how they in turn are affected by these systems. Filled with the learning tools you need to truly learn key concepts rather than merely memorize facts, Vander's will prove valuable to you at every stage of your studies or practice. Features: New Global case studies New An online physiology learning center that offers additional exam questions, artwork, and graphs Offers the best review of renal physiology available for the USMLE Step 1 Begins with the basics and works up to advanced principles Distills the essence of renal processes and their regulation in a concise, integrated manner that focuses on the logic of renal processes Features learning aids such as flow charts, diagrams, key concepts, clinical examples, learning objectives, and review questions with answers and explanations Explains the relationship between blood pressure and renal function Presents the normal functions of the kidney with clinical correlations to disease states Includes the most current research on the molecular and genetic principles underlying renal physiology
Author : Marilyn J. Cipolla
Publisher : Biota Publishing
ISBN 13 : 1615047239
Total Pages : 82 pages
Book Rating : 4.6/5 (15 download)
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.
Author : Charles Vacanti
Publisher : Cambridge University Press
ISBN 13 : 1139498401
Total Pages : 1191 pages
Book Rating : 4.1/5 (394 download)
Download or read book Essential Clinical Anesthesia written by Charles Vacanti and published by Cambridge University Press. This book was released on 2011-07-11 with total page 1191 pages. Available in PDF, EPUB and Kindle. Book excerpt: The clinical practice of anesthesia has undergone many advances in the past few years, making this the perfect time for a new state-of-the-art anesthesia textbook for practitioners and trainees. The goal of this book is to provide a modern, clinically focused textbook giving rapid access to comprehensive, succinct knowledge from experts in the field. All clinical topics of relevance to anesthesiology are organized into 29 sections consisting of more than 180 chapters. The print version contains 166 chapters that cover all of the essential clinical topics, while an additional 17 chapters on subjects of interest to the more advanced practitioner can be freely accessed at www.cambridge.org/vacanti. Newer techniques such as ultrasound nerve blocks, robotic surgery and transesophageal echocardiography are included, and numerous illustrations and tables assist the reader in rapidly assimilating key information. This authoritative text is edited by distinguished Harvard Medical School faculty, with contributors from many of the leading academic anesthesiology departments in the United States and an introduction from Dr S. R. Mallampati. This book is your essential companion when preparing for board review and recertification exams and in your daily clinical practice.
Author : Michitoshi Inoue
Publisher : Springer Science & Business Media
ISBN 13 : 4431683674
Total Pages : 330 pages
Book Rating : 4.4/5 (316 download)
Download or read book Regulation of Coronary Blood Flow written by Michitoshi Inoue and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author : Michael John Field
Publisher : Churchill Livingstone
ISBN 13 : 9780702033711
Total Pages : 169 pages
Book Rating : 4.0/5 (337 download)
Download or read book The Renal System written by Michael John Field and published by Churchill Livingstone. This book was released on 2010 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an integrated textbook on the renal system, covering the anatomy, physiology and biochemistry of the system, all presented in a clinically relevant context appropriate for the first two years of the medical student course. One of the seven volumes in the Systems of the Body series. Concise text covers the core anatomy, physiology and biochemistry in an integrated manner as required by system- and problem-based medical courses. The basic science is presented in the clinical context in a way appropriate for the early part of the medical course. There is a linked website providing self-assessment material ideal for examination preparation.
Author : Robert J. Alpern
Publisher : Elsevier
ISBN 13 : 0080559506
Total Pages : 2922 pages
Book Rating : 4.0/5 (85 download)
Download or read book Seldin and Giebisch's The Kidney written by Robert J. Alpern and published by Elsevier. This book was released on 2007-10-10 with total page 2922 pages. Available in PDF, EPUB and Kindle. Book excerpt: A classic nephrology reference for over 20 years, Seldin & Giebisch's The Kidney, is the acknowledged authority on renal physiology and pathophysiology. The fourth edition follows the changed focus of nephrology research to the study of how individual molecules work together to affect cellular and organ function, emphasizing the mechanisms of disease. With over 40 new chapters and over 1000 illustrations, this edition offers the most in-depth discussion anywhere of the physiologic and pathophysiologic processes of renal disease. Comprehensive, authoritative coverage progresses from molecular biology and cell physiology to clinical issues regarding renal function and dysfunction. If you research the development of normal renal function or the mechanisms underlying renal disease, Seldin & Giebisch's The Kidney is your number one source for information.* Offers the most comprehensive coverage of fluid and electrolyte regulation and dysregulation in 51 completely revised chapters unlike Brenner & Rector's The Kidney which devotes only 7 chapters to this topic.* Includes 3 sections, 31 chapters, devoted to regulation and disorders of acid-base homeostasis, and epithelial and nonepithelial transport regulation. Brenner & Rector's only devotes 5 chapters to these topics.* Previous three editions edited by Donald Seldin and Gerhard Giebisch, world renowned names in nephrology. The title for the fourth edition has been changed to reflect their considerable work on previous editions and they have also written the forward for this edition. * Over 20 million adults over age 20 have chronic kidney disease with the number of people diagnosed doubling each decade making it America's ninth leading cause of death.
Author : Thomas Anthony Hess
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (639 download)
Download or read book Autoregulation of Renal Blood Flow in the Nonfiltering Kidney written by Thomas Anthony Hess and published by . This book was released on 1979 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew E. Cross
Publisher : Cambridge University Press
ISBN 13 : 1107615887
Total Pages : 439 pages
Book Rating : 4.1/5 (76 download)
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.
Author : Roland N. Pittman
Publisher : Biota Publishing
ISBN 13 : 1615047212
Total Pages : 117 pages
Book Rating : 4.6/5 (15 download)
Download or read book Regulation of Tissue Oxygenation, Second Edition written by Roland N. Pittman and published by Biota Publishing. This book was released on 2016-08-18 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author : Thomas G. Mitchell
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (233 download)
Download or read book A Study of Intra-renal Blood Flow written by Thomas G. Mitchell and published by . This book was released on 1963 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Civil Aeromedical Research Institute (U.S.)
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (324 download)
Download or read book Mechanism of Autoregulation in the Intact Kidney written by Civil Aeromedical Research Institute (U.S.) and published by . This book was released on 1964 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ulla Kopp
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1615042318
Total Pages : 99 pages
Book Rating : 4.6/5 (15 download)
Download or read book Neural Control of Renal Function written by Ulla Kopp and published by Morgan & Claypool Publishers. This book was released on 2011 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The kidney is innervated with efferent sympathetic nerve fibers reaching the renal vasculature, the tubules, the juxtaglomerular granular cells, and the renal pelvic wall. The renal sensory nerves are mainly found in the renal pelvic wall. Increases in efferent renal sympathetic nerve activity reduce renal blood flow and urinary sodium excretion by activation of α1-adrenoceptors and increase renin secretion rate by activation of β1-adrenoceptors. In response to normal physiological stimulation, changes in efferent renal sympathetic nerve activity contribute importantly to homeostatic regulation of sodium and water balance. The renal mechanosensory nerves are activated by stretch of the renal pelvic tissue produced by increases in renal pelvic tissue of a magnitude that may occur during increased urine flow rate. Activation of the sensory nerves elicits an inhibitory renorenal reflex response consisting of decreases in efferent renal sympathetic nerve activity leading to natriuresis. Increasing efferent sympathetic nerve activity increases afferent renal nerve activity which, in turn, decreases efferent renal sympathetic nerve activity by activation of the renorenal reflexes. Thus, activation of the afferent renal nerves buffers changes in efferent renal sympathetic nerve activity in the overall goal of maintaining sodium balance. In pathological conditions of sodium retention, impairment of the inhibitory renorenal reflexes contributes to an inappropriately increased efferent renal sympathetic nerve activity in the presence of sodium retention. In states of renal disease or injury, there is a shift from inhibitory to excitatory reflexes originating in the kidney. Studies in essential hypertensive patients have shown that renal denervation results in long-term reduction in arterial pressure, suggesting an important role for the efferent and afferent renal nerves in hypertension. Table of Contents: Part I: Efferent Renal Sympathetic Nerves / Introduction / Neuroanatomy / Neural Control of Renal Hemodynamics / Neural Control of Renal Tubular Function / Neural Control of Renin Secretion Rate / Part II: Afferent Renal Sensory Nerves / Introduction / Neuroanatomy / Renorenal Reflexes / Mechanisms Involved in the Activation of Afferent Renal Sensory Nerves / Part III: Pathophysiological States / Efferent Renal Sympathetic Nerves / Afferent Renal Sensory Nerves / Conclusions / References
Author : Nicholas Graygory Andreas Mitrou
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (112 download)
Download or read book Internephron Synchronization of Renal Blood Flow Autoregulation written by Nicholas Graygory Andreas Mitrou and published by . This book was released on 2015 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Renal autoregulation is the system that maintains a constant renal blood flow when arterial pressure fluctuates. Failure of autoregulation leads to renal damage and subsequent failure. There are two mechanisms of autoregulation. First is the myogenic response, which is common to almost all microvascular beds. Second is tubuloglomerular feedback, which is a slower system that fine-tunes the delivery of solutes to each nephorn. Autoregulation is well studied. However, limitations in measurement techniques, and simplifying assumption, previously forced us to assume that all nephrons in the kidney act independently in response to local changes in blood pressure. The goal of this dissertation was to determine the presence, extent, and mechanism of network behaviour in renal autoregulation. In this dissertation I show that the mechanisms of renal autoregulation are synchronized over macroscopic regions of the renal surface, and that the spatial distribution of synchronization can be modulated by nitric oxide. Then I show that the patterns of synchronization of autoregulation on the surface of the kidney are governed by the underlying arterial anatomy. We show that the mechanism of internephron synchronization is chiefly dependent on gap junctional intercellular communication, and that removal of this communication pathway reduces the efficiency of autoregulation overall. Finally, impaired autoregulation in early diabetes is shown to coincide with a reduction in spatial smoothing of autoregulation. By the end, I have shown that internephron synchronization is present in the kidney, and 1) synchronization is modulated by an important hormonal modulator, nitric oxide, 2) that arterial anatomy determines divisions between synchronized clusters, 3) gap junctions mediate synchronization and contribute to autoregulation effectiveness, and 4) that network behaviour of autoregulation is reduced in early diabetes, linked with impaired autoregulation. Overall, this shows that internephron synchronization is an important aspect of renal autoregulation, and it must be considered in the future when studying this field.
