Non Invasive Characterization Of Liver Disease

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Non-Invasive Characterization of Liver Disease

Author : Markus Karlsson
Publisher : Linköping University Electronic Press
Page : 77 pages
File Size : 41,7 Mb
Release : 2019-12-13
Category : Electronic
ISBN : 9789179299422

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Non-Invasive Characterization of Liver Disease by Markus Karlsson Pdf

There is a large and unmet need for diagnostic tool that can be used to characterize chronic liver diseases (CLD). In the earlier stages of CLD, much of the diagnostics involves performing biopsies, which are evaluated by a histopathologist for the presence of e.g. fat, iron, inflammation, and fibrosis. Performing biopsies, however, have two downsides: i) biopsies are invasive and carries a small but non-negligible risk for serious complications, ii) biopsies only represents a tiny portion of the liver and are thus prone to sampling error. Moreover, in the later stages of CLD, when the disease has progressed far enough, the ability of the liver to perform its basic function will be compromised. In this stage, there is a need for better methods for accurately measuring liver function. Additionally, measures of liver function can also be used when developing new drugs, as biomarkers for drug-induced liver injury (DILI), which is a serious drug-safety issue. Magnetic resonance imaging (MRI) is a non-invasive medical imaging modality, which have shown much promise with regards to characterizing liver disease in all of the abovementioned aspects. The aim of this PhD project was to develop and validate MR-based methods that can be used to non-invasively characterize liver disease. Paper I investigated if R2* mapping, a MR-method for measuring liver iron content, can be confounded by liver fat. The results show fat does affect R2*. The conclusion was therefore that fat must be taken into account when measuring small amounts of liver iron, as a small increase in R2* could be due to either small amounts of iron or large amounts of fat. Paper II examined whether T1 mapping, which is another MR-method, can be used for staging liver fibrosis. The results of previous research have been mixed; some studies have been very promising, whereas other studies have been less promising. Unfortunately, the results in Paper II belongs to the less promising studies. Paper III focused on measuring liver function by dynamic contrast-enhanced MRI (DCEMRI) using a liver specific contrast agent, which is taken up the hepatocytes and excreted to the bile. The purpose of the paper was to extend and validate a method for estimating uptake and efflux rates of the contrast agent. The method had previously only been applied in health volunteers. Paper II showed that the method can be applied to CLD patients and that the uptake of the contrast agent is lower in patients with advanced fibrosis. Paper IV also used studied liver function with DCE-MRI in patients with primary sclerosing cholangitis (PSC). PSC is a CLD where the bile ducts are attacked by the immune system. When diagnosing PSC patients, it is common to use magnetic resonance cholangiopancreatography (MRCP), which is a method for imaging the bile ducts. Paper IV examined if there was any correlation between number and severity of the morphological changes, seen on MRCP, and measures of liver function derived using DCE-MRI. However, the results showed no such correlation. The conclusion was that the results indicates that MRCP should not be used to predict parenchymal function. Paper V developed a method for translating DCE-MRI liver function parameters from rats to humans. This translation could be of value when developing new drugs, as a tool for predicting which drugs might cause drug-induced liver injury. In summary, this thesis has shown that multimodal quantitative MR has a bright future for characterizing liver disease from a range of different aspects.

Ultrasound Elastography

Author : Monica Lupsor-Platon
Publisher : BoD – Books on Demand
Page : 148 pages
File Size : 53,9 Mb
Release : 2020-03-04
Category : Medical
ISBN : 9781789857092

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Ultrasound Elastography by Monica Lupsor-Platon Pdf

Elastography, the science of creating noninvasive images of mechanical characteristics of tissues, has been rapidly evolving in recent years. The advantage of this technique resides in the ability to rapidly detect and quantify the changes in the stiffness of soft tissues resulting from specific pathological or physiological processes. Ultrasound elastography is nowadays applied especially on the liver and breast, but the technique has been increasingly used for other tissues including the thyroid, lymph nodes, spleen, pancreas, gastrointestinal tract, kidney, prostate, and the musculoskeletal and vascular systems. This book presents some of the applications of strain and shear-wave ultrasound elastography in hepatic, pancreatic, breast, and musculoskeletal conditions.

Guidelines for the Prevention Care and Treatment of Persons with Chronic Hepatitis B Virus Infection

Author : WHO.,World Health Organization
Publisher : Unknown
Page : 0 pages
File Size : 45,6 Mb
Release : 2015
Category : Chronic diseases
ISBN : 9240694021

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Guidelines for the Prevention Care and Treatment of Persons with Chronic Hepatitis B Virus Infection by WHO.,World Health Organization Pdf

These are the first World Health Organization (WHO) guidelines for theprevention care and treatment of persons living with CHB infection andcomplement similar recent published guidance by WHO on the prevention care and treatment of infection due to the hepatitis C virus (HCV). In contrastto several recent international guidelines on the management of CHB infectionfrom the United States Europe Asia-Pacific and the United Kingdom (UK) theprimary audience for these WHO guidelines is country programme managers inall settings but particularly in LMICs to help plan the development and scale up.

Liver Research and Clinical Management

Author : Luis Rodrigo
Publisher : BoD – Books on Demand
Page : 250 pages
File Size : 55,6 Mb
Release : 2018-05-02
Category : Medical
ISBN : 9781789230901

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Liver Research and Clinical Management by Luis Rodrigo Pdf

Hepatology is the medical specialty that studies the normal functioning of the liver and its diseases. It has experienced a steady progress in recent decades, as well as occurred in other medical specialties. It deals with the acute and chronic inflammatory processes of the liver, among which is the viral hepatitis. Recently, very effective drugs have been introduced in this field that achieves the elimination of the hepatitis C virus in the great majority of patients. Nonalcoholic steatohepatitis has increased markedly worldwide especially in Western countries in relation to overweight, diabetes, and other metabolic conditions. Cirrhosis and its complications are better managed, and patients live longer, thanks also to the earlier detection of hepatocarcinoma and the generalization of the use of liver transplants. This book deals with all of these interesting topics, thanks to the excellent collaboration of a great group of specialists that have collaborated with their knowledge and expertise in this edition.

Diseases of the Abdomen and Pelvis 2018-2021

Author : Juerg Hodler,Rahel A. Kubik-Huch,Gustav K. von Schulthess
Publisher : Springer
Page : 262 pages
File Size : 43,6 Mb
Release : 2018-03-20
Category : Medical
ISBN : 9783319750194

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Diseases of the Abdomen and Pelvis 2018-2021 by Juerg Hodler,Rahel A. Kubik-Huch,Gustav K. von Schulthess Pdf

This open access book deals with imaging of the abdomen and pelvis, an area that has seen considerable advances over the past several years, driven by clinical as well as technological developments. The respective chapters, written by internationally respected experts in their fields, focus on imaging diagnosis and interventional therapies in abdominal and pelvic disease; they cover all relevant imaging modalities, including magnetic resonance imaging, computed tomography, and positron emission tomography. As such, the book offers a comprehensive review of the state of the art in imaging of the abdomen and pelvis. It will be of interest to general radiologists, radiology residents, interventional radiologists, and clinicians from other specialties who want to update their knowledge in this area.

Chronic Liver Failure

Author : Pere Ginès,Patrick S Kamath,Vicente Arroyo
Publisher : Springer Science & Business Media
Page : 583 pages
File Size : 40,8 Mb
Release : 2010-11-03
Category : Medical
ISBN : 9781607618669

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Chronic Liver Failure by Pere Ginès,Patrick S Kamath,Vicente Arroyo Pdf

Chronic liver failure is a frequent condition in clinical practice that encompasses all manifestations of patients with end-stage liver diseases. Chronic liver failure is a multiorgan syndrome that affects the liver, kidneys, brain, heart, lungs, adrenal glands, and vascular, coagulation, and immune systems. Chronic Liver Failure: Mechanisms and Management covers for the first time all aspects of chronic liver failure in a single book, from pathogenesis to current management. Each chapter is written by a worldwide known expert in their area and all provide the latest state-of-the-art knowledge. This volume is specifically designed to provide answers to clinical questions to all doctors dealing with patients with liver diseases, not only clinical gastroenterologists and hepatologists, but also to internists, nephrologists, intensive care physicians, and transplant surgeons.

Magnetic Resonance Elastography

Author : Sudhakar K. Venkatesh,Richard L. Ehman
Publisher : Springer
Page : 143 pages
File Size : 41,9 Mb
Release : 2014-10-01
Category : Medical
ISBN : 9781493915750

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Magnetic Resonance Elastography by Sudhakar K. Venkatesh,Richard L. Ehman Pdf

The first book to cover the groundbreaking development and clinical applications of Magnetic Resonance Elastography, this book is essential for all practitioners interested in this revolutionary diagnostic modality. The book is divided into three sections. The first covers the history of MRE. The second covers technique and clinical applications of MRE in the liver with respect to fibrosis, liver masses, and other diseases. Case descriptions are presented to give the reader a hands-on approach. The final section presents the techniques, sequence and preliminary results of applications in other areas of the body including muscle, brain, lung, heart, and breast.

Drug-Induced Liver Injury

Author : Anonim
Publisher : Academic Press
Page : 288 pages
File Size : 53,7 Mb
Release : 2019-07-13
Category : Medical
ISBN : 9780128173176

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Drug-Induced Liver Injury by Anonim Pdf

Drug-Induced Liver Injury, Volume 85, the newest volume in the Advances in Pharmacology series, presents a variety of chapters from the best authors in the field. Chapters in this new release include Cell death mechanisms in DILI, Mitochondria in DILI, Primary hepatocytes and their cultures for the testing of drug-induced liver injury, MetaHeps an alternate approach to identify IDILI, Autophagy and DILI, Biomarkers and DILI, Regeneration and DILI, Drug-induced liver injury in obesity and nonalcoholic fatty liver disease, Mechanisms of Idiosyncratic Drug-Induced Liver Injury, the Evaluation and Treatment of Acetaminophen Toxicity, and much more. Includes the authority and expertise of leading contributors in pharmacology Presents the latest release in the Advances in Pharmacology series

Non-Alcoholic Fatty Liver Disease

Author : Elisabetta Bugianesi
Publisher : Springer Nature
Page : 358 pages
File Size : 50,7 Mb
Release : 2020-09-28
Category : Medical
ISBN : 9783319958286

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Non-Alcoholic Fatty Liver Disease by Elisabetta Bugianesi Pdf

The goal of this book is to promote awareness of non-alcoholic fatty liver disease (NAFLD) – which is rapidly replacing viral hepatitis as the leading cause of chronic liver disease in Europe, North and South America and Asia – and to share the latest information on evolving approaches to diagnosis and treatment. The book offers a comprehensive overview of the current topics of interest in the field, and provides clinical guidance on NAFLD through a multidisciplinary approach based on the latest scientific understanding of this multisystemic disease, involving the expertise of specialists including hepatologists, diabetologists, and cardiologists. The respective contributions address various aspects, including the newly released international guidelines, novel diagnostic modalities, and new experimental drugs. The work will appeal to a broad readership, from residents in internal medicine to specialists.​

Variceal Hemorrhage

Author : Roberto de Franchis,Alessandra Dell’Era
Publisher : Springer Science & Business Media
Page : 266 pages
File Size : 43,8 Mb
Release : 2014-01-25
Category : Medical
ISBN : 9781493900022

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Variceal Hemorrhage by Roberto de Franchis,Alessandra Dell’Era Pdf

Variceal Hemorrhage provides an update of the evidence concerning several aspects of variceal hemorrhage. The book features new information on natural history, diagnosis of esophageal varices, assessment of the risk of bleeding and identification of high risk groups and patients who may benefit or be harmed from different treatments. The volume also presents a critical analysis of the different steps in the management of acute variceal bleeding. Authored by the most prominent world experts in their areas of expertise, Variceal Hemorrhage serves as a very useful reference for gastroenterologists, GI surgeons, residents in internal medicine and physicians dealing with and interested in the different aspects of this severe medical emergency.

Biomarkers in Liver Disease

Author : Victor R. Preedy,Vinood B. Patel
Publisher : Springer
Page : 0 pages
File Size : 49,5 Mb
Release : 2017-07-14
Category : Medical
ISBN : 9400776748

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Biomarkers in Liver Disease by Victor R. Preedy,Vinood B. Patel Pdf

In the past decade there has been a major sea change in the way disease is diagnosed and investigated due to the advent of high throughput technologies, such as microarrays, lab on a chip, proteomics, genomics, lipomics, metabolomics etc. These advances have enabled the discovery of new and novel markers of disease relating to autoimmune disorders, cancers, endocrine diseases, genetic disorders, sensory damage, intestinal diseases etc. In many instances these developments have gone hand in hand with the discovery of biomarkers elucidated via traditional or conventional methods, such as histopathology or clinical biochemistry. Together with microprocessor-based data analysis, advanced statistics and bioinformatics these markers have been used to identify individuals with active disease or pathology as well as those who are refractory or have distinguishing pathologies. New analytical methods that have been used to identify markers of disease and is suggested that there may be as many as 40 different platforms. Unfortunately techniques and methods have not been readily transferable to other disease states and sometimes diagnosis still relies on single analytes rather than a cohort of markers. There is thus a demand for a comprehensive and focused evidenced-based text and scientific literature that addresses these issues. Hence the formulation of Biomarkers in Disease The series covers a wide number of areas including for example, nutrition, cancer, endocrinology, cardiology, addictions, immunology, birth defects, genetics, and so on. The chapters are written by national or international experts and specialists.

Liver Cirrhosis

Author : Georgios Tsoulfas
Publisher : BoD – Books on Demand
Page : 304 pages
File Size : 49,7 Mb
Release : 2017-07-05
Category : Medical
ISBN : 9789535133094

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Liver Cirrhosis by Georgios Tsoulfas Pdf

Liver cirrhosis represents one of the major challenges for most physicians and surgeons on a global scale. This book provides practicing hepatologists, gastroenterologists and liver surgeons with a valuable tool in their efforts to understand the (molecular) mechanisms involved, be updated regarding the newest and less invasive diagnostic methods, and educate themselves about the challenges involved in the management of liver cirrhosis and its complications. The authors of this book represent a team of true global experts on the topic. In addition to the knowledge shared, the authors provide their personal clinical experience on a variety of different aspects of liver cirrhosis, giving us a well-rounded overview.

Liver Disease in Children

Author : Frederick J. Suchy,Ronald J. Sokol,William F. Balistreri
Publisher : Cambridge University Press
Page : 995 pages
File Size : 51,8 Mb
Release : 2007-05-07
Category : Medical
ISBN : 9781139464031

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Liver Disease in Children by Frederick J. Suchy,Ronald J. Sokol,William F. Balistreri Pdf

Completely revised new edition of the premier reference on pediatric liver disease. Liver Disease in Children, 3rd Edition provides authoritative coverage of every aspect of liver disease affecting infants, children, and adolescents. The book offers an integrated approach to the science and clinical practice of pediatric hepatology and charts the substantial progress in understanding and treating these diseases. Chapters are written by international experts and address the unique pathophysiology, manifestations, and management of these disorders in the pediatric population. The third edition has been thoroughly updated and features new contributions on liver development, cholestatic and autoimmune disorders, fatty liver disease, and inborn errors of metabolism. With the continued evolution of pediatric hepatology as a discipline, this text remains an essential reference for all physicians involved in the care of children with liver disease.

The Liver

Author : Irwin M. Arias,Harvey J. Alter,James L. Boyer,David E. Cohen,David A. Shafritz,Snorri S. Thorgeirsson,Allan W. Wolkoff
Publisher : John Wiley & Sons
Page : 1156 pages
File Size : 47,8 Mb
Release : 2020-03-09
Category : Medical
ISBN : 9781119436829

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The Liver by Irwin M. Arias,Harvey J. Alter,James L. Boyer,David E. Cohen,David A. Shafritz,Snorri S. Thorgeirsson,Allan W. Wolkoff Pdf

Bridging the gap between basic scientific advances and the understanding of liver disease — the extensively revised new edition of the premier text in the field. The latest edition of The Liver: Biology and Pathobiology remains a definitive volume in the field of hepatology, relating advances in biomedical sciences and engineering to understanding of liver structure, function, and disease pathology and treatment. Contributions from leading researchers examine the cell biology of the liver, the pathobiology of liver disease, the liver’s growth, regeneration, metabolic functions, and more. Now in its sixth edition, this classic text has been exhaustively revised to reflect new discoveries in biology and their influence on diagnosing, managing, and preventing liver disease. Seventy new chapters — including substantial original sections on liver cancer and groundbreaking advances that will have significant impact on hepatology — provide comprehensive, fully up-to-date coverage of both the current state and future direction of hepatology. Topics include liver RNA structure and function, gene editing, single-cell and single-molecule genomic analyses, the molecular biology of hepatitis, drug interactions and engineered drug design, and liver disease mechanisms and therapies. Edited by globally-recognized experts in the field, this authoritative volume: Relates molecular physiology to understanding disease pathology and treatment Links the science and pathology of the liver to practical clinical applications Features 16 new “Horizons” chapters that explore new and emerging science and technology Includes plentiful full-color illustrations and figures The Liver: Biology and Pathobiology, Sixth Edition is an indispensable resource for practicing and trainee hepatologists, gastroenterologists, hepatobiliary and liver transplant surgeons, and researchers and scientists in areas including hepatology, cell and molecular biology, virology, and drug metabolism.

Hepatocellular Carcinoma

Author : Yujin Hoshida
Publisher : Springer
Page : 366 pages
File Size : 46,9 Mb
Release : 2019-08-05
Category : Medical
ISBN : 9783030215408

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Hepatocellular Carcinoma by Yujin Hoshida Pdf

This book provides a comprehensive overview of the current limitations and unmet needs in Hepatocellular Carcinoma (HCC) diagnosis, treatment, and prevention. It also provides newly emerging concepts, approaches, and technologies to address challenges. Topics covered include changing landscape of HCC etiologies in association with health disparities, framework of clinical management algorithm, new and experimental modalities of HCC diagnosis and prognostication, multidisciplinary treatment options including rapidly evolving molecular targeted therapies and immune therapies, multi-omics molecular characterization, and clinically relevant experimental models. The book is intended to assist collaboration between the diverse disciplines and facilitate forward and reverse translation between basic and clinical research by providing a comprehensive overview of relevant areas, covering epidemiological trend and population-level patient management strategies, new diagnostic and prognostic tools, recent advances in the standard care and novel therapeutic approaches, and new concepts in pathogenesis and experimental approaches and tools, by experts and opinion leaders in their respective fields. By thoroughly and concisely covering whole aspects of HCC care, Hepatocellular Carcinoma serves as a valuable reference for multidisciplinary readers, and promotes the development of personalized precision care strategies that lead to substantial improvement of disease burden and patient prognosis in HCC.