Colonic Diseases
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Author | : Sushil K. Sarna |
Publisher | : Biota Publishing |
Total Pages | : 159 |
Release | : 2010-11-01 |
Genre | : Medical |
ISBN | : 1615041516 |
Download Colonic Motility Book in PDF, Epub and Kindle
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.
Author | : Jean-Claude Givel |
Publisher | : Springer Science & Business Media |
Total Pages | : 803 |
Release | : 2009-11-14 |
Genre | : Medical |
ISBN | : 3540694196 |
Download Anorectal and Colonic Diseases Book in PDF, Epub and Kindle
This fully revised new edition focuses on the clinical, diagnostic, and therapeutic aspects of conditions encountered by the coloproctologist and gastroenterological surgeon, who are faced with an increasing number of precise and specific treatment modalities.
Author | : Timothy R. Koch |
Publisher | : Springer Science & Business Media |
Total Pages | : 557 |
Release | : 2003-04-30 |
Genre | : Medical |
ISBN | : 1592593143 |
Download Colonic Diseases Book in PDF, Epub and Kindle
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.
Author | : Juerg Hodler |
Publisher | : Springer |
Total Pages | : 262 |
Release | : 2018-03-20 |
Genre | : Medical |
ISBN | : 3319750194 |
Download Diseases of the Abdomen and Pelvis 2018-2021 Book in PDF, Epub and Kindle
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.
Author | : Steven D. Wexner |
Publisher | : CRC Press |
Total Pages | : 840 |
Release | : 2016-04-19 |
Genre | : Medical |
ISBN | : 1420018574 |
Download Diseases of the Colon Book in PDF, Epub and Kindle
This first reference to comprehensively address both the medical and surgical management of diseases affecting the colon, this source spans the wide array of colorectal disorders including rectal prolapse, irritable bowel syndrome, benign and malignant colonic tumors, fissures and ulcers, and Crohn's colitis, among other ailments. With chapters by
Author | : |
Publisher | : ScholarlyEditions |
Total Pages | : 138 |
Release | : 2012-01-09 |
Genre | : Medical |
ISBN | : 1464927871 |
Download Colonic Diseases: Advances in Research and Treatment: 2011 Edition Book in PDF, Epub and Kindle
Colonic Diseases: Advances in Research and Treatment: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Colonic Diseases. The editors have built Colonic Diseases: Advances in Research and Treatment: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Colonic Diseases in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Colonic Diseases: Advances in Research and Treatment: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author | : |
Publisher | : ScholarlyEditions |
Total Pages | : 133 |
Release | : 2012-01-09 |
Genre | : Medical |
ISBN | : 1464927979 |
Download Functional Colonic Diseases: Advances in Research and Treatment: 2011 Edition Book in PDF, Epub and Kindle
Functional Colonic Diseases: Advances in Research and Treatment: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Functional Colonic Diseases. The editors have built Functional Colonic Diseases: Advances in Research and Treatment: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Functional Colonic Diseases in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Functional Colonic Diseases: Advances in Research and Treatment: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author | : Godfrey Lule |
Publisher | : BoD – Books on Demand |
Total Pages | : 292 |
Release | : 2012-01-05 |
Genre | : Medical |
ISBN | : 9533079576 |
Download Current Concepts in Colonic Disorders Book in PDF, Epub and Kindle
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.
Author | : Bo Shen |
Publisher | : Academic Press |
Total Pages | : 382 |
Release | : 2018-01-16 |
Genre | : Medical |
ISBN | : 0128113898 |
Download Interventional Inflammatory Bowel Disease: Endoscopic Management and Treatment of Complications Book in PDF, Epub and Kindle
Interventional Inflammatory Bowel Diseases: Endoscopic Management and Treatment of Complications covers the preparation, principle, techniques, and damage control of complications in endoscopic therapy, providing the ultimate guidance in endoscopic management of IBD. With contributions from a panel of international leading experts in the field, perspectives are included from GI pathologists, GI radiologists, gastroenterologists, advanced endoscopists, IBD specialists and colorectal surgeons. Recommendations from experts are also included within each chapter. By bridging medical and surgical treatment modalities for IBD, this is the perfect reference for GI researchers, medical students, therapeutic GI endoscopists, IBD specialists, surgeons and advanced health care providers. Incorporates state-of-the-art of research in the area of therapeutic endoscopy in Crohn’s Disease and Ulcerative Colitis Makes the connection between the understanding of the complex nature and disease course of IBD with corresponding advanced endoscopic procedures Explores endoscopic treatment as the missing link between medical and surgical treatment for complex Crohn’s Disease and Ulcerative Colitis Contains access to videos demonstrating important procedural concepts
Author | : |
Publisher | : ScholarlyEditions |
Total Pages | : 210 |
Release | : 2012-12-26 |
Genre | : Medical |
ISBN | : 1464997713 |
Download Colonic Diseases—Advances in Research and Treatment: 2012 Edition Book in PDF, Epub and Kindle
Colonic Diseases—Advances in Research and Treatment: 2012 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about Colonic Diseases in a concise format. The editors have built Colonic Diseases—Advances in Research and Treatment: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Colonic Diseases in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Colonic Diseases—Advances in Research and Treatment: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.