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Author : Maarten Koeners,Fredrik Palm
Publisher : Frontiers Media SA
Page : 111 pages
File Size : 55,9 Mb
Release : 2018-10-18
Category : Electronic
ISBN : 9782889456178
Author : Anonim
Publisher : Unknown
Page : 0 pages
File Size : 45,8 Mb
Release : 2018
Category : Electronic
ISBN : OCLC:1368438173
Kidney disease is a complex health problem, often coinciding with cardiovascular pathology (e.g. hypertension) and metabolic disturbances (e.g. obesity and diabetes). It is also a disturbingly fast growing global public health problem, e.g. chronic kidney disease affects an estimated ~9-16% of the population. Besides the public health issues this results in a large economic burden as kidney diseases contributes disproportionally to about a quarter of total health care costs. Experimental and clinical data solidly support the view that kidney tissue hypoxia plays a critical and intricate role during the genesis and progression of both chronic and acute kidney diseases. This research field is currently at the very beginning of integrating pre-clinical with clinical research in which hypoxia related mechanism are quantified by non-invasive imaging. In combination with the fact that some key questions remain unanswered, this offers exciting new research perspectives that are waiting to be explored. With this Research Topic we aim to discuss and find answers to the following research question: 1) What are the temporal relationships between hypoxia and kidney disease? 2) Can we demonstration causation between hypoxia and kidney disease? 3) Can renal hypoxia be considered as a treatment target in kidney disease? 4) Can hypoxia (e.g. in the urine) be considered a biomarker of kidney disease? 5) Does hypoxia ramp-up sympathetic activity? 6) Does hypoxia trigger inflammation? 7) Is hypoxia caused by changes in sodium reabsorption and/or mitochondrial function? 8) Which molecular mechanisms are involved in hypoxia in kidney disease? 9) Which gene expressions change due to hypoxia in kidney disease? 10) Can we generate new and translational insights using non-invasive imaging technologies? Our overall aim is identify the mediators/controllers of hypoxia in kidney disease. If we understand more about the sequence of events leading to hypoxia, its regulation and consequences in renal disease, we might be able to have a major impact in clinical practice. I.e. more accurate and earlier diagnosis, novel treatment targets, and novel therapies.
Author : Matthew R. Weir,Edgar V. Lerma
Publisher : Springer
Page : 257 pages
File Size : 48,7 Mb
Release : 2014-11-17
Category : Medical
ISBN : 9781493919826
The treatment of hypertension has become the most important intervention in the management of all forms of chronic kidney disease. Chronic Kidney Disease and Hypertension is a current, concise, and practical guide to the identification, treatment and management of hypertension in patients with chronic kidney disease. In depth chapters discuss many relevant clinical questions and the future of treatment through medications and or novel new devices. Written by expert authors, Chronic Kidney Disease and Hypertension provides an up-to-date perspective on management and treatment and how it may re-shape practice approaches tomorrow.
Author : Bi-Cheng Liu,Hui-Yao Lan,Lin-Li Lv
Publisher : Springer
Page : 709 pages
File Size : 47,6 Mb
Release : 2019-08-09
Category : Science
ISBN : 9789811388712
This book systemically presents the latest research on renal fibrosis, covering all the major topics in the field, including the possible mechanisms, biomarkers, and strategies for prevention and treatment of chronic kidney disease (CKD). Due to its high prevalence, CKD represents a huge global economic and social burden. Irrespective of the initial causes, CKD progresses to end stage kidney disease (ESKD) due to renal fibrosis, which is characterized by glomerulosclerosis, tubule atrophy and atresia, and the excessive accumulation of extracellular matrix (ECM) in the kidney. Unfortunately, an estimated 1%-2% of the adult population living with CKD will need renal replacement therapy at some point as a result of ESKD. As such, strategies for preventing or slowing CKD progression to ESKD are of utmost importance, and studies aiming to understand the mechanisms of renal fibrosis have been the focus of intensive research. Recently, novel insights into the pathophysiological processes have furthered our understanding of the pathogenesis of renal fibrosis, and more importantly, promoted studies on the early diagnosis and treatment of CKD. This book draws lessons from the extensive, state-of-the-art research in this field, elaborating the new theories and new techniques to offer readers a detailed and comprehensive understanding of renal fibrosis and as well as inspiration for future research directions.
Author : Andreas Pohlmann,Thoralf Niendorf
Publisher : Humana
Page : 0 pages
File Size : 48,5 Mb
Release : 2022-02-19
Category : Electronic
ISBN : 1071609807
Preface... Table of Contents... Contributing Authors... Part I Introduction 1. Recommendations for Preclinical Renal MRI: A Comprehensive Open-Access Protocol Collection to Improve Training, Reproducibility, and Comparability of Studies Andreas Pohlmann, Susan J. Back, Andrea Fekete, Iris Friedli, Stefanie Hectors, Neil Peter Jerome, Min-Chi Ku, Dario Livio Longo, Martin Meier, Jason M. Millward, João S. Periquito, Erdmann Seeliger, Suraj D. Serai, Sonia Waiczies, Steven Sourbron, Christoffer Laustsen, and Thoralf Niendorf Part II Animal Models, Preparation, Monitoring, and Physiological Interventions 2. Animal Models of Renal Pathophysiology and Disease Adam Hosszu, Tamas Kaucsar, Erdmann Seeliger, and Andrea Fekete 3. Preparation and Monitoring of Small Animals in Renal MRI Tamas Kaucsar, Adam Hosszu, Erdmann Seeliger, Henning M. Reimann, and Andrea Fekete 4. Reversible (Patho-)Physiologically Relevant Test Interventions: Rationale and Examples Kathleen Cantow, Mechthild Ladwig-Wiegard, Bert Flemming, Andrea Fekete, Adam Hosszu, Erdmann Seeliger 5. Preparation of Ex Vivo Rodent Phantoms for Developing, Testing, and Training MR Imaging of the Kidney and Other Organs Jason M. Millward, João S. Periquito, Paula Ramos Delgado, Christian Prinz, Thoralf Niendorf, and Sonia Waiczies Part III Basic Concepts of Measurement Techniques 6. Quantitative Assessment of Renal Perfusion and Oxygenation by Invasive Probes: Basic Concepts Kathleen Cantow, Roger G. Evans, Dirk Grosenick, Thomas Gladytz, Thoralf Niendorf, Bert Flemming, and Erdmann Seeliger 7. Ultrasound and Photoacoustic Imaging of the Kidney: Basic Concepts and Protocols Sandra Meyer, Dieter Fuchs, and Martin Meier 8. Hardware Considerations for Preclinical Magnetic Resonance of the Kidney Paula Ramos Delgado, Ekkehard Küstermann, André Kühne, Jason M. Millward, Thoralf Niendorf, Andreas Pohlmann, and Martin Meier 9. MRI Mapping of Renal T1: Basic Concept Stefanie Hectors, Sabrina Doblas, Philippe Garteiser, Gwenaël Pagé, Bernard E. Van Beers, John C. Waterton, and Octavia Bane 10. MRI Mapping of the Blood Oxygenation Sensitive Parameter T2* in the Kidney: Basic Concept Lu-Ping Li, Bradley Hack, Erdmann Seeliger, and Pottumarthi V. Prasad 11. Renal Diffusion Weighted Imaging (DWI) for Apparent Diffusion Coefficient (ADC), Intra Voxel Incoherent Motion (IVIM), and Diffusion Tensor Imaging (DTI): Basic Concept Neil Peter Jerome, Anna Caroli, and Alexandra Ljimani 12. Dynamic Contrast Enhancement (DCE)-MRI Derived Renal Perfusion and Filtration: Basic Concepts Michael Pedersen, Pietro Irrera, Walter Dastrù, Frank G. Zöllner, Kevin M. Bennett, Scott C. Beeman, G. Larry Bretthorst, Joel R. Garbow, and Dario Livio Longo 13. Non-Invasive Renal Perfusion Measurement Using Arterial Spin Labelling (ASL) MRI: Basic Concept Min-Chi Ku, María A. Fernández-Seara, Frank Kober, and Thoralf Niendorf 14. Renal pH Imaging Using Chemical Exchange Saturation Transfer (CEST)-MRI: Basic Concepts Dario Livio Longo, Pietro Irrera, Lorena Consolino, Phillip Zhe Sun, and Michael T. McMahon 15. Sodium (23Na) MRI of the Kidney: Basic Concept James T. Grist, Esben Søvsø Hansen, Frank G. Zöllner, and Christoffer Laustsen 16. Hyperpolarized Carbon (13C) MRI of the Kidneys: Basic Concepts Cornelius von Morze, Galen D. Reed, Zhen J. Wang, Michael A. Ohliger, and Christoffer Laustsen 17. Functional Imaging Using Fluorine (19F) MR Methods: Basic Concepts Sonia Waiczies, Christian Prinz, Ludger Starke, Jason M. Millward, Paula Ramos Delgado, Jens Rosenberg, Marc Nazaré, Helmar Waiczies, Andreas Pohlmann, and Thoralf Niendorf 18. MR Elastography of the Abdomen: Basic Concepts Suraj D. Serai and Meng Yin Part IV Experimental Protocols 19. Monitoring Renal H
Author : Toshio Miyata,Kai-Uwe Eckardt,Masaomi Nangaku
Publisher : Springer Science & Business Media
Page : 781 pages
File Size : 55,5 Mb
Release : 2010-12-17
Category : Science
ISBN : 9781607618577
Conditions such as oxidative stress and hypoxia, which have a generalized impact on the oxygen metabolism, have been implicated in the genesis of kidney disease. This means that deepening our understanding of the pathobiology of oxygen metabolism in such diseases could be a fruitful path towards tangible clinical benefits. Studies in Renal Disorder collects reviews from leading researchers and clinical scientists working in exactly this field, providing an overview of the latest advances. The causal role of impaired oxygen metabolism in kidney disease has numerous clinical implications. It affects our understanding of the therapeutic benefits accruing from anti-hypertensive agents; the way we control hyperglycemia/hyperinsulinemia and hyperlipidemia; and our use of dietary approaches to the correction of obesity. The defensive mechanisms against oxidative stress, such as the Nrf2-Keap1 system, and hypoxia, such as the PHD-HIF system, have recently been explored in various cells, including kidney cells. These mechanisms include intracellular sensors for oxidative stress and hypoxia. This means that novel approaches targeting these sensors may offer clinical benefits in kidney disease in which oxidative stress and/or hypoxia is a final, common pathway.
Author : Jing Zheng,Chi Zhou
Publisher : BoD – Books on Demand
Page : 456 pages
File Size : 44,6 Mb
Release : 2017-02-01
Category : Medical
ISBN : 9789535128953
This book contains a total of 21 chapters, each of which was written by experts in the corresponding field. The objective of this book is to provide a comprehensive and updated overview of cellular and molecular mechanisms underlying hypoxia's impacts on human health, as well as current advances and future directions in the detection, recognition, and management of hypoxia-related disorders. This collection of articles provides a clear update in the area of hypoxia research for biomedical researchers, medical students, nurse practitioners, and practicing clinicians in the fields of high altitude biology, cardiovascular biology and medicine, tumor oncology, obstetrics, pediatrics, and orthodontics and for others who may be interested in hypoxia.
Author : Stephanie Franzén
Publisher : Linköping University Electronic Press
Page : 53 pages
File Size : 44,8 Mb
Release : 2016-03-09
Category : Electronic
ISBN : 9789176858257
Diabetic nephropathy is one of the most common causes of end stage renal disease and develops in approximately one third of all diabetes patients. Disease progression is characterized by deteriorating glomerular filtration rate and escalating urinary albumin/protein excretion; both are used as clinical markers for disease progression. Recently, it has been proposed that intrarenal hypoxia is a unifying mechanism for chronic kidney disease, including diabetic nephropathy. Several mechanistic pathways have been linked to the development of intrarenal hypoxia and diabetic nephropathy including increased angiotensin II signaling, oxidative stress and hyperglycemia per se. Furthermore, pathological endothelin signaling has recently immerged as a possible contributing factor for chronic kidney disease and diabetic nephropathy. The overall aims of this thesis were therefore to determine the temporal relationship between development of intrarenal hypoxia and kidney disease as well as elucidate the potential link between endothelin signaling, intrarenal hypoxia and kidney disease in experimental insulinopenic diabetes. It is well established that different mouse strains have different susceptibility for kidney and cardiovascular disease. The first step was therefore to compare four commonly used mouse strains with regards to development of kidney disease after onset of insulinopenic diabetes. From the results of this study, we concluded that the NMRI mouse strain has a disease progression closest to the human disease and this strain was chosen in the subsequent studies in mice. The next step was to adapt and optimize a suitable method for repetitive measurements of intrarenal oxygen tension during the course of disease development. Electron paramagnetic resonance (EPR) oximetry had previously been used in tumor biology and was now adapted and optimized for measurements of kidney oxygenation in our diabetic mouse model. EPR oximetry in normoglycemic control mice recorded cortical oxygen tension values similar to previous reports using invasive techniques. Surprisingly, intrarenal hypoxia developed already within the first 72h after induction of hyperglycemia and persisted throughout the two-week study period. Importantly, this was well before albuminuria developed. The final part of this thesis was to investigate the role of endothelin signaling for the intrarenal hypoxia in a diabetic rat model. Endothelin 1 signals via two distinctly different receptor-mediated pathways. In normal physiology, endothelin 1 binding to endothelin receptor type A (ETA) induces vasoconstriction, which can be blocked by the specific ETA antagonist BQ123, whereas endothelin 1 binding to endothelin receptor type B (ETB) induces nitric oxide-dependent vasodilation. ETB receptors can be selectively activated by Sarafotoxin 6c. The results from blocking ETA and activating ETB receptors demonstrated that endothelin 1 signaling via ETA receptors contributes to intrarenal hypoxia in the rat diabetic kidney, and that ETB stimulation significantly reduces the diabetes-induced intrarenal hypoxia. The beneficial effects on kidney oxygen availability in diabetes by ETA blockade or ETB stimulation were mainly linked to hemodynamic improvements rather than direct effects on kidney oxygen consumption or oxidative stress status. In conclusion, by applying EPR oximetry in a mouse model of insulinopenic diabetes mimicking the human disease, we demonstrated intrarenal hypoxia already within the first couple of days after the onset of hyperglycemia, which is well before detectable signs of kidney disease development. Furthermore, blockade of ETA or activation of ETB receptors significantly reduced intrarenal hypoxia in the diabetic kidney. These results demonstrate involvement of ETA receptor signaling in diabetes-induced intrarenal hypoxia and ETA blockade or ETB activation might provide new therapeutical targets to reduce kidney hypoxia and disease progression in diabetes.
Author : T. Nakanishi,T. Kuragano
Publisher : Karger Medical and Scientific Publishers
Page : 148 pages
File Size : 53,6 Mb
Release : 2019-04-16
Category : Medical
ISBN : 9783318064247
This publication is a record of some of the outstanding presentations given at the 63rd Annual Meeting of the Japanese Society for Dialysis Therapy (JSDT). The meeting was held in Kobe in 2018, celebrating the 50-year anniversary of the founding of the JSDT as a voluntary academic association. Therapy for end-stage kidney disease (ESKD) now faces vital issues besides the management of renal anemia and chronic kidney disease-mineral and bone disorder and the selection of the optimal treatment modality for each patient. These issues include the increasing incidence of malnutrition and frailty in the elderly, fragile vascular access, and the balance between medical costs and budgets. Expert members of the JSDT present 15 articles that address these issues. This book serves to promote further progress in understanding the pathogenesis of complications associated with ESKD and providing optimal therapy for patients.
Author : Neil N. Turner,Norbert Lameire,David J. Goldsmith,Christopher G. Winearls,Jonathan Himmelfarb,Giuseppe Remuzzi
Publisher : Oxford University Press
Page : 3045 pages
File Size : 45,7 Mb
Release : 2015-10-29
Category : Medical
ISBN : 9780191017650
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 : G.B. Silva Junior,A. Ferreiro Fuentes,M. Nangaku,G. Remuzzi,C. Ronco
Publisher : Karger Medical and Scientific Publishers
Page : 369 pages
File Size : 45,8 Mb
Release : 2021-11-02
Category : Medical
ISBN : 9783318069372
Nephrology is one of the fastest growing specialties in medicine. Nevertheless, kidney disease is one of the most serious unmet health needs in many countries. To provide healthcare access with the desirable equity worldwide, the nephrology community needs to discuss this public health issue and take part in decisions for elaboration of public health policies with more justice and equity. This book brings together key current public health problems that affect kidney function and illuminates them in contributions by an international group of nephrologists and general practitioners. The chapters review current knowledge and provide guidelines to manage these conditions and decrease the disease burden. At the end, developments in the digital era and their application to kidney disease treatment are synthesized, and a broader outlook on the future of nephrology is given. Ultimately, the publication aims to gather nephrology and public health expertise from researchers from all over the world, providing a broad vision of issues that must be discussed and overcome to guarantee a better treatment for patients with kidney diseases in the world today.
Author : Anonim
Publisher : Unknown
Page : 804 pages
File Size : 51,9 Mb
Release : 2011-04-01
Category : Electronic
ISBN : 1607618583
Author : Severin Ringoir,Raymond Vanholder,Shaul G. Massry
Publisher : Springer Science & Business Media
Page : 292 pages
File Size : 46,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781468454451
The present book contains the Proceedings of a two day Symposium on Uremic Toxins organized at the University of Ghent in Belgium. A series of guest lectures, free communications and posters have been presented. An international audience of 163 scientists from 16 nationalities listened to and discussed extensively a spectrum of topics brought forward by colleagues and researchers who worked for many years in the field of Uremic Toxins. There is a striking contrast between all the new dialysis strategies available in the work to "clean" the uremic patients and the almost non-progression of our knowledge on uremic toxins in the past decade. In this sense the symposium was felt by all participants as a new start for the research in the biochemical field of the definition of uremia. If the present volume would stimulate new work in this field in order to define uremia, or identify the uremic toxins, the purpose of the organizers would be maximally fulfilled.
Author : C. Ronco,R. Bellomo,P.A. McCullough
Publisher : Karger Medical and Scientific Publishers
Page : 377 pages
File Size : 41,5 Mb
Release : 2010-05-04
Category : Medical
ISBN : 9783805594738
Critical care nephrology is an emerging multidisciplinary science in which the competences of different specialists are merged to provide a unified diagnostic and therapeutic approach to the critically ill patient. The volume at hand places great emphasis on cardiorenal syndromes and the multidisciplinary collaboration between cardiology and nephrology. Several contributions describe the cardiorenal syndrome in its different varieties and subtypes and report the results from the most recent Acute Dialysis Quality Initiative Consensus Conference, as well as proposing new diagnostic approaches based on early biomarkers of AKI. Other papers discuss advances in technology for renal replacement therapy and multiple organ support therapy. Moreover, special emphasis is placed on the potential role of extracorporeal therapies in patients affected by H1N1 influenza, and a summary of the most recent trials in the field is included.Containing the proceedings of the 2010 International Vicenza Course on Critical Care Nephrology, this publication is a state-of-the-art appraisal of today’s technology and current issues related to cardiorenal syndromes.
Author : Kusal Das,Mallanagouda Shivanagouda Biradar
Publisher : BoD – Books on Demand
Page : 146 pages
File Size : 53,8 Mb
Release : 2018-12-12
Category : Medical
ISBN : 9781789848281
The molecular deprivation of oxygen is manifested by hypoxia, a deficiency of oxygen and anoxia, or the absence of oxygen supply to the tissues. This book entitled Hypoxia and Anoxia will cover a broad range of understanding on hypoxia and anoxia from molecular mechanisms to pathophysiology. Hypoxia and anoxia stimulate multiple systems through specific cell signal transduction pathways and regulate several transcriptional factors like HIF-1, REST to encode genes for VEGF, Epo, etc. This book will also highlight different types of hypoxia and anoxia along with their impact on apoptosis, cardiovascular pathophysiology, and glucose regulatory mechanisms. This book will be a ready reckoner to give a deep understanding of the oxygen-sensing environment in vivo for researchers, academicians, and clinicians throughout the world.
