Current Concepts In Colonic Disorders
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Current Concepts In Colonic Disorders
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Author : Godfrey Lule
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-01-05
Current Concepts In Colonic Disorders written by Godfrey Lule and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-05 with Medical categories.
The 21st Century has seen a resurgence of research of the gastrointestinal tract, especially since it was established that it plays a central role as an immune system organ and consequentially has a huge impact on causation, impact and transmission of most human ailments. New diseases such as the Acquired Immunodeficiency Syndrome, hepatitis and tumours of the gastrointestinal tract have emerged and they are currently subjects of intensive research and topics of scientific papers published worldwide. Old diseases like diarrhea have become extremely complex to diagnose with new and old pathogens, drugs, tumours and malabsorptive disorders accounting for the confusion. This book has set out algorithms on how to approach such conditions in a systematic way both to reach a diagnosis and to make patient management cheaper and more efficient. "Current Concepts in Colonic Disorders" attempts to put all the new information into proper perspective with emphasis on aetiopathogenesis and providing rational approach to management of various old and new diseases. As the book editor, I have found this first edition extremely interesting and easy to understand. Comments on how to improve the content and manner of presentation for future editions are extremely welcome.
Colonic Motility
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Author : Sushil K. Sarna
language : en
Publisher: Biota Publishing
Release Date : 2010-11-01
Colonic Motility written by Sushil K. Sarna and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-01 with Medical categories.
Three distinct types of contractions perform colonic motility functions. Rhythmic phasic contractions (RPCs) cause slow net distal propulsion with extensive mixing/turning over. Infrequently occurring giant migrating contractions (GMCs) produce mass movements. Tonic contractions aid RPCs in their motor function. The spatiotemporal patterns of these contractions differ markedly. The amplitude and distance of propagation of a GMC are several-fold larger than those of an RPC. The enteric neurons and smooth muscle cells are the core regulators of all three types of contractions. The regulation of contractions by these mechanisms is modifiable by extrinsic factors: CNS, autonomic neurons, hormones, inflammatory mediators, and stress mediators. Only the GMCs produce descending inhibition, which accommodates the large bolus being propelled without increasing muscle tone. The strong compression of the colon wall generates afferent signals that are below nociceptive threshold in healthy subjects. However, these signals become nociceptive; if the amplitudes of GMCs increase, afferent nerves become hypersensitive, or descending inhibition is impaired. The GMCs also provide the force for rapid propulsion of feces and descending inhibition to relax the internal anal sphincter during defecation. The dysregulation of GMCs is a major factor in colonic motility disorders: irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and diverticular disease (DD). Frequent mass movements by GMCs cause diarrhea in diarrhea predominant IBS, IBD, and DD, while a decrease in the frequency of GMCs causes constipation. The GMCs generate the afferent signals for intermittent short-lived episodes of abdominal cramping in these disorders. Epigenetic dysregulation due to adverse events in early life is one of the major factors in generating the symptoms of IBS in adulthood.
Ct Colonography For Radiographers
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Author : Joel H. Bortz
language : en
Publisher: Springer Nature
Release Date : 2023-11-29
Ct Colonography For Radiographers written by Joel H. Bortz and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-29 with Medical categories.
This second edition, comprising 28 chapters, explains every aspect of the role of radiographers in performing CT colonography (CTC) and interpreting CTC images with the aim of enabling radiographers to extend the scope of their practice. It provides information required with respect to communication with the patient, procurement of informed consent, the principles of CT as well as dual-energy CT and photon counting CT, radiation dose, patient preparation and positioning, the use of contrast media, the performance of diagnostic and screening CTC studies, the interpretation and reporting of images, legal and professional requirements, and the importance of clinical audits. A wide range of CTC findings is described and depicted, covering normal anatomy, artefacts, haemorrhoids, polyps, colon cancer, diverticular disease, lipomas, extracolonic structures, opportunistic screening for osteoporosis and metabolic associated fatty disease, and CTC in incomplete or failed colonoscopy. The role of other modalities such as ultrasound, magnetic resonance imaging, and nuclear medicine in colorectal cancer patients is discussed. In addition, the text covers the role of artificial intelligence and machine learning in imaging of the colon for the detection of polyps, diagnosis and staging of colorectal cancer. Lastly, a chapter focusing on self-assessment of image interpretation will aid learning. This book provides the support that radiographers need in order to perform CTC studies to the standard required in terms of advances in imaging and interpretation of images.
Gastrointestinal Emergencies
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Author : Autumn Graham
language : en
Publisher: Springer
Release Date : 2019-02-05
Gastrointestinal Emergencies written by Autumn Graham and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-05 with Medical categories.
This book answers key questions asked by emergency clinicians faced with complex gastrointestinal and abdominal pain presentations. Instead of a traditional format that includes epidemiology, pathophysiology, diagnosis, and treatment options, this book takes an approach that mirrors the way clinicians interact with patients – by asking and answering specific clinical care questions. The book is organized into sections by presentation – gastrointestinal bleeding, for example – each of which contains chapters on specific questions, such as “What is the best clinical risk score for low risk GIB patients?” Each clinical question comes with a detailed, evidence-based response and a summary that gives best practices, recommendations, and references. Additionally, at the end of each section is a chapter titled “Expert Corner,” which asks the same clinical questions to a surgical or gastrointestinal specialist and includes key pearls these experts have for emergency medicine practitioners. Gastrointestinal Emergencies: Evidence-Based Answers to Key Clinical Questions is an essential guide for emergency medicine physicians, residents, and medical students who want to review and improve their care of acute gastrointestinal emergencies.
Cumulated Index Medicus
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Author :
language : en
Publisher:
Release Date : 1995
Cumulated Index Medicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Medicine categories.
Colonic Diseases
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Author : Timothy R. Koch
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-04-30
Colonic Diseases written by Timothy R. Koch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-04-30 with Medical categories.
The Scientification of Gastroenterology During the 20th Century * Science contributes to medicine in three ways: It provides a body of relatively secure knowl edge. Some of that knowledge has been applied to develop technologies which have had a major impact upon the practice and effectiveness of medicine. Last, science offers to medicine a way of thinking. - 1. McCormick [(1993) The Contribution of Science to Medicine. Perspect. Bioi. Med. 16,315.] Awareness of the digestive system began with the dawn of civilization, when man, observing the feeding habits of animals in the surrounding environment, experimented with foods, edible and inedible. Identity came with discoveries of the digestive organs during the 16th and 17th centuries. Function was revealed by physiologic studies of digestion, absorp tion and secretion, metabolism, and motility during the 18th and 19th centuries. Diagnostic access improved with the technological advances of the 20th century. Understanding of gas trointestinal (GI) disease followed the growth of the basic sciences and gastroenterology's involvement in scientific research during the latter half of the 20th century. Early in the 20th century, gastroenterology was yet an undefined activity without clinical or scientific guidelines. Diagnostic approach to the digestive tract was minimal. Valid con cepts of disease were lacking. Visceroptosis, sitophobia, and "colonic autointoxication" were common "diagnoses." Therapeutic resources were scarce.
Bibliography Of Medical Reviews
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Author :
language : en
Publisher:
Release Date : 1966
Bibliography Of Medical Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Medicine categories.
Bibliography Of Medical Reviews
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Author : National Library of Medicine (U.S.)
language : en
Publisher:
Release Date : 1973
Bibliography Of Medical Reviews written by National Library of Medicine (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Medicine categories.
Innovative Concepts In Inflammatory Bowel Disease
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Author : J. Emmrich
language : en
Publisher: Springer Science & Business Media
Release Date : 1999-01-31
Innovative Concepts In Inflammatory Bowel Disease written by J. Emmrich and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-31 with Medical categories.
Chronic inflammatory bowel diseases represent an important medical problem, since they have a devastating impact on the quality of life and require longstanding medical care. Many medical disciplines are involved in tackling the immensely complex studies on pathogenesis, clinical expression and treatment possibilities. This book, the proceedings of the Falk Symposium 105 on `Innovative Concepts in Inflammatory Bowel Diseases', held in Rostock, Germany, on April 30 - May 2, 1998, brought together experts from different fields of science to allow a unified view on clinical and basic research. The main themes of the meeting were genetics, animal models, immunology, epithelial cells, endotoxin, diagnostic procedures, malignancy, medical therapies, and surgery. In each section of the book experts present state-of-the-art reviews with the very latest developments in the respective research areas followed by chapters on different aspects of inflammatory bowel diseases. They provide suggestions concerning future research and clinical management of patients with inflammatory bowel diseases.
Literature Search
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Author : National Library of Medicine (U.S.)
language : en
Publisher:
Release Date : 1970
Literature Search written by National Library of Medicine (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Medicine categories.