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Motor Function Of The Pharynx Esophagus And Its Sphincters

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Motor Function Of The Pharynx Esophagus And Its Sphincters

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Author : Ravinder Mittal
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2011

Motor Function Of The Pharynx Esophagus And Its Sphincters written by Ravinder Mittal and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Medical categories.

Deglutition or a swallow begins as a voluntary act in the oral cavity but proceeds autonomously in the pharynx and esophagus. Bilateral sequenced activation and inhibition of more than 25 pairs of muscles of mouth, pharynx, larynx, and esophagus is required during a swallow. A single swallow elicits peristalsis in the pharynx and esophagus along with relaxation of upper and lower esophageal sphincters. Multiple swallows, at closely spaced time intervals, demonstrate deglutitive inhibition; sphincters remain relaxed during the entire period, but only the last swallow elicits peristalsis. Laryngeal inlet closure or airway protection is very important during swallow. Upper part of the esophagus that includes upper esophageal sphincter is composed of skeletal muscles, middle esophagus is composed of a mixture of skeletal and smooth muscles, and lower esophagus, including lower esophageal sphincter, is composed of smooth muscles. Peristalsis progresses in seamless fashion, despite separate control mechanism, from the skeletal to smooth muscle esophagus. The esophagus's circular and longitudinal muscle layers contract synchronously during peristalsis. Sphincters maintain continuous tone; neuromuscular mechanisms for tonic closure in the upper and lower esophageal sphincters are different. Lower esophageal sphincter transient relaxation, belching mechanism, regurgitation, vomiting, and reflux are mediated via the brain stem. Table of Contents: Introduction / Central Program Generator and Brain Stem / Pharynx-Anatomy, Neural Innervation, and Motor Pattern / Upper Esophageal Sphincter / Neuromuscular Anatomy of Esophagus and Lower Esophageal Sphincter / Extrinsic Innervation: Parasympathetic and Sympathetic / Interstitial Cells of Cajal / Recording Techniques / Motor Patterns of the Esophagus-Aboral and Oral Transport / Deglutitive Inhibition and Muscle Refractoriness / Peristalsis in the Circular and Longitudinal Muscles of the Esophagus / Neural and Myogenic Mechanism of Peristalsis / Central Mechanism of Peristalsis-Cortical and Brain Stem Control / Peripheral Mechanisms of Peristalsis / Central Versus Peripheral Mechanism of Deglutitive Inhibition / Neural Control of Longitudinal Muscle Contraction / Modulation of Primary and Secondary Peristalsis / Neural Control of Lower Esophageal Sphincter and Crural Diaphragm / Lower Esophageal Sphincter / Swallow-Induced LES Relaxation / Crural Diaphragm Contribution to EGJ and Neural Control / Transient LES Relaxation and Pharmacological Inhibition / Compliance of the EGJ / References

Motor Function Of The Pharynx Esophagus And Its Sphincters

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Author : Ravinder Mittal
language : en
Publisher: Biota Publishing
Release Date : 2011-03-01

Motor Function Of The Pharynx Esophagus And Its Sphincters written by Ravinder Mittal and has been published by Biota Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-01 with Science categories.

Neurogenic Dysphagia

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Author : Tobias Warnecke
language : en
Publisher: Springer Nature
Release Date : 2021-03-05

Neurogenic Dysphagia written by Tobias Warnecke and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-05 with Medical categories.

This book is a clinical manual that covers the whole spectrum of swallowing and its disorders. It starts with physiology of swallowing, pathophysiology of disordered deglutition, diagnostic methods (clinical and instrumental) and ends with an in-depth’s and up-to-date presentation of current treatment options. The clinically most relevant topics of dysphagia management on the stroke unit and the intensive care unit are dealt with in separate chapters. Also the closely intertwined issue of nutritional management is specifically addressed. Most importantly, the book covers all obligatory topics of the Flexible Endoscopic Evaluation of Swallowing (FEES)-curriculum, an educational initiative that started in Germany in 2014 and is currently being extended to other European and non-European countries. The book is richly illustrated and an online video section provides a number of typical patient cases. FEES is probably the most commonly chosen method for the objective assessment of swallowing and its disorders. It is used in stroke units, intensive care facilities, geriatric wards but also in rehabilitation clinics and within dedicated outpatient services. This book on neurogenic dysphagia therefore addresses a wide range of different medical disciplines, such as neurologists, geriatricians, intensive care physicians, rehabilitation physicians, gastroenterologists, otolaryngologists, phoniatrists and also speech-language pathologists.

Principles Of Deglutition

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Author : Reza Shaker
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-09-20

Principles Of Deglutition written by Reza Shaker 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 2012-09-20 with Medical categories.

Principles of Deglutition is the first in class comprehensive multidisciplinary textbook to encompass the entire field of normal and disordered deglutition. It is designed as the definitive text for all those who desire to further their knowledge of the dynamic and expanding field of deglutology. The text is created to serve as a treasured reference for clinicians, educators and trainees from such diverse backgrounds as gastroenterology, speech language pathology, otolaryngology, rehabilitation medicine, radiology and others. Principles of Deglutition brings together the state-of-knowledge from 12 disciplines involved in dysphagia through contributions of over one hundred thought leaders and master clinicians for the benefit of patients and providers alike. It concisely organizes the wealth of knowledge that exists in each of the contributing disciplines into one comprehensive information platform. Principles of Deglutition provides a one-stop destination for members of all specialties to obtain state-of-the-art and critically reviewed information regarding deglutition physiology, pathophysiology, diagnosis and management. It delivers a comprehensive and in depth review of deglutition related cerebral cortical, brainstem, peripheral nerves, and neuromuscular mechanisms, advanced diagnostic modalities and standard of care and cutting edge medical, rehabilitative and surgical treatments. It is an essential reference for all deglutologists.

Geriatric Imaging

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Author : Giuseppe Guglielmi
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-05

Geriatric Imaging written by Giuseppe Guglielmi 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 2013-04-05 with Medical categories.

In the elderly, the coexistence of various diseases, the presence of involutional and degenerative changes, and the occurrence of both physical and cognitive problems represent “the norm.” It is therefore important to know how to distinguish the healthy elderly from those in need of treatment as a sound basis for avoiding overdiagnosis and overtreatment. This aspect is a central theme in Geriatric Imaging, which covers a wide range of applications of different imaging techniques and clearly explains both the potential and the limitations of diagnostic imaging in geriatric patients. Individual sections are devoted to each major region or system of the body, and a concluding section focuses specifically on interventional procedures. The book, written by recognized experts in the field, is superbly illustrated and will be an ideal resource for geriatricians, radiologists, and trainees.

Gastrointestinal Physiology

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Author : Menizibeya Osain Welcome
language : en
Publisher: Springer
Release Date : 2018-06-20

Gastrointestinal Physiology written by Menizibeya Osain Welcome and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-20 with Medical categories.

This book offers one of the most comprehensive reviews in the field of gastrointestinal (GI) physiology, guiding readers on a journey through the complete digestive tract, while also highlighting related organs and glandular systems. It is not solely limited to organ system physiology, and related disciplines like anatomy and histology, but also examines the molecular and cellular processes that keep the digestive system running. As such, the book provides extensive information on the molecular, cellular, tissue, organ, and system levels of functions in the GI system. Chapters on the roles of the gut as an endocrine, exocrine and neural organ, as well as its microbiome functions, broaden readers’ understanding of the multi-organ networks in the human body. To help illustrate the interconnections between the physiological concepts, principles and clinical presentations, it outlines clinical examples such as pathologies that link basic science with clinical practice in special “clinical correlates” sections. Covering both traditional and contemporary topics, it is a valuable resource for biomedical students, as well as healthcare and scientific professionals.

Anatomy Physiology

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Author : Lindsay Biga
language : en
Publisher:
Release Date : 2019-09-26

Anatomy Physiology written by Lindsay Biga and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-26 with categories.

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Pediatric And Neonatal Mechanical Ventilation

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Author : Peter C. Rimensberger
language : en
Publisher: Springer
Release Date : 2014-11-12

Pediatric And Neonatal Mechanical Ventilation written by Peter C. Rimensberger and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-12 with Medical categories.

Written by outstanding authorities from all over the world, this comprehensive new textbook on pediatric and neonatal ventilation puts the focus on the effective delivery of respiratory support to children, infants and newborns. In the early chapters, developmental issues concerning the respiratory system are considered, physiological and mechanical principles are introduced and airway management and conventional and alternative ventilation techniques are discussed. Thereafter, the rational use of mechanical ventilation in various pediatric and neonatal pathologies is explained, with the emphasis on a practical step-by-step approach. Respiratory monitoring and safety issues in ventilated patients are considered in detail, and many other topics of interest to the bedside clinician are covered, including the ethics of withdrawal of respiratory support and educational issues. Throughout, the text is complemented by numerous illustrations and key information is clearly summarized in tables and lists.

The Laryngectomee Guide

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Author : Itzhak Brook
language : en
Publisher:
Release Date : 2021

The Laryngectomee Guide written by Itzhak Brook and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Laryngectomees categories.

The Sages Manual Of Foregut Surgery

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Author : Jayleen Grams
language : en
Publisher: Springer
Release Date : 2018-10-06

The Sages Manual Of Foregut Surgery written by Jayleen Grams and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-06 with Medical categories.

The field of benign foregut surgery continues to evolve with new diagnostic methods and treatment modalities. The text lays the foundation in understanding the foregut through review of the anatomy and physiology, followed by subsequent chapters focusing on the diagnosis and management of specific benign diseases of the foregut: gastroesophageal reflux disease and diaphragmatic hernia, Barrett’s esophagus, disorders of esophageal dysmotility, benign esophageal and gastric tumors, peptic ulcer disease and gastric outlet obstruction, and gastroparesis. Written by experts, each of these sections addresses the evaluation and management of the disease process, technical conduct of the most common endoscopic and surgical procedures, postoperative management including complications, and revisional operations. Additionally, expert commentary will serve to highlight and clarify controversies in the field. The SAGES Manual of Foregut Surgery provides a comprehensive, state-of- the art review and will serve as a valuable resource for clinicians and surgeons.

Motor Function Of The Pharynx Esophagus And Its Sphincters

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