Automated Quantification Of Mitral Valve Morphology And Dynamics Using Real Time 3d Echocardiography
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Automated Quantification Of Mitral Valve Morphology And Dynamics Using Real Time 3d Echocardiography
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Author : Alison M. Pouch
language : en
Publisher:
Release Date : 2013
Automated Quantification Of Mitral Valve Morphology And Dynamics Using Real Time 3d Echocardiography written by Alison M. Pouch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
3d Echocardiography
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Author : Takahiro Shiota
language : en
Publisher: CRC Press
Release Date : 2020-12-29
3d Echocardiography written by Takahiro Shiota and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-29 with Medical categories.
Since the publication of the second edition of this volume, 3D echocardiography has penetrated the clinical arena and become an indispensable tool for patient care. The previous edition, which was highly commended at the British Medical Book Awards, has been updated with recent publications and improved images. This third edition has added important new topics such as 3D Printing, Surgical and Transcatheter Management, Artificial Valves, and Infective Endocarditis. The book begins by describing the principles of 3D echocardiography, then proceeds to discuss its application to the imaging of • Left and Right Ventricle, Stress Echocardiography • Left Atrium, Hypertrophic Cardiomyopathy • Mitral Regurgitation with Surgical and Nonsurgical Procedures • Mitral Stenosis and Percutaneous Mitral Valvuloplasty • Aortic Stenosis with TAVI / TAVR • Aortic and Tricuspid Regurgitation • Adult Congenital Heart Disease, Aorta • Speckle Tracking, Cardiac Masses, Atrial Fibrillation KEY FEATURES In-depth clinical experiences of the use of 3D/2D echo by world experts Latest findings to demonstrate clinical values of 3D over 2D echo One-click view of 263 innovative videos and 352 high-resolution 3D/2D color images in a supplemental eBook.
Fully Automated Segmentation O
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Author : Kin-Wai Tsui
language : en
Publisher: Open Dissertation Press
Release Date : 2017-01-26
Fully Automated Segmentation O written by Kin-Wai Tsui and has been published by Open Dissertation Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-26 with Computers categories.
This dissertation, "Fully Automated Segmentation of Mitral Valve in Real-time Three-dimensional Ultrasound Data and Its Applications" by Kin-wai, Tsui, 徐健威, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Being the critical gateway that regulates the oxygenated blood flow from the left atrium to the left ventricle, the mitral valve has been extensively studied by clinical experts. In order to derive quantitative parameters that could lead to significant clinical decisions, the anatomy and the dynamics of the live mitral valve must first be imaged through the use of ultrasound devices. In recent years, the most commonly used non-invasive imaging modality is real-time three-dimensional transesophageal echocardiography (RT3DTEE). Although this latest imaging technology enables unprecedented in-vivo visualization of the mitral valve and its surrounding tissues, clinical experts are still required to spend hours to trace the mitral valve manually in three-dimensional (3D) and four-dimensional (4D) settings. This time-consuming and laborintensive manual work often requires a very demanding level of eye-hand coordination and mental concentration in order to have clinically-qualified delineations. Additionally, the inferior image quality of RT3DTEE causes many readily or commercially available solutions stumble. Hence, being able to fully automatically segment the mitral valve from RT3DTEE has always been a challenging problem. This thesis first presents the background information on mitral valve and RT3DTEE technology. By exploiting the approximately radial-symmetric geometry of the mitral valve, a simple yet effective technique is proposed to determine whether the valve is in systole(closed-valve) or diastole(open-valve) from only what it is available in RT3DTEE images. This labeling exercise is often considered to be a sub-problem in the mitral valve segmentation problem. By doing so, clinical experts can then study the anatomy and dynamics with respect to the valve states, while algorithmic approaches can make use of such information to track the mitral valve in various time instances. Next, this thesis focuses on a practical solution that fully automatically delineates the mitral valve by formulating the segmentation problem as a machine learning problem, of which the solution is further optimized by an energy minimization function. It is then demonstrated, when compared to other state-of-the-art approaches, the described approach can further reduce the initial size of the pre-collected training data from clinicians, can still perform well regardless of how the mitral valve is being imaged and, most importantly, is able to extract the mitral valve in a cardiac cycle while preserving its volumetric details. Finally, the applicability of the presented methods is demonstrated through the derivations of several important clinical morphological parameters of the mitral valve by comparing them against clinical experts' measurements which is the gold standard in the experiments. Altogether, this work steers the mitral valve segmentation task to a even more systematic and automatic direction. Subjects: Mitral valve - Imaging Transesophageal echocardiography Three-dimensional imaging in medicine
Real Time 3d Echocardiography For Congenital Heart Disease
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Author : Shuping Ge
language : en
Publisher: PMPH-USA
Release Date : 2013-10-31
Real Time 3d Echocardiography For Congenital Heart Disease written by Shuping Ge and has been published by PMPH-USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-31 with Medical categories.
This project is intended for the first teaching text in this field. It will describe the new concepts, methodology, and application of real-time 3 dimensional echocardiography for congenital heart diseases. It will concentrate on a step-wised approach for each and every major CHD Congenital heart disease (CHD) is a major cause of mortality and morbidity in young infants. This monograph will be the first text to focus on a relatively new technology, i.e. real time 3- dimensional echocardiography, and its history, technology, approaches, normal study, and clinical application in a variety of congenital heart diseases from fetuses to adults. This technology first became available around the turn of this century. In the last few years, this field has seen rapid progress in technological advancement and expanding current and potential clinical applications. This technology is particularly suited for congenital heart disease in which there is a clear need for more clear and accurate delineation of the congenital heart defects from a 3- dimensional perspective for diagnosis, assessment, and prognosis of these defects. Although there are two monographs for real-time 3D echocardiography adults with heart diseases (Shiota, and Nanda), mostly coronary heart disease, valve heart disease, etc, there is no published monograph related to real-time 3D echocardiography in children with congenital heart disease. This project will fill a gap for potentially a diverse audience including pediatric cardiologists, congenial heart surgeons, anesthesiologists, high risk Ob/Gyn specialists, neonatologists, adult congenital disease specialists, pediatric residents, fellows, nurses, physician assistants, and other health care professionals.
Three Dimensional Echocardiography
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Author : Navin Chandar Nanda
language : en
Publisher:
Release Date : 2007
Three Dimensional Echocardiography written by Navin Chandar Nanda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Echocardiography categories.
Valvular Heart Disease
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Author : Robert O. Bonow
language : en
Publisher: Elsevier Health Sciences
Release Date : 2020-06-10
Valvular Heart Disease written by Robert O. Bonow and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-10 with Medical categories.
Covering the full range of diagnosis and treatment for valvular heart disease, this award-winning reference provides the information you need for safe and effective practice. Part of the Brauwald’s family of heart disease references, Valvular Heart Disease, 5th Edition, brings you fully up to date with the latest procedures, imaging modalities, basic science, diagnostic criteria, and treatment guidelines in this fast-changing area. Internationally renowned authors Dr. Catherine M. Otto and Dr. Robert O. Bonow help you apply today's best, evidence-based medical and surgical approaches in your daily practice. Covers current topics such as transcatheter aortic valve replacement (TAVR), timing of intervention for mitral regurgitation, imaging guidance of transcatheter valve procedures, management of prosthetic valve, advanced imaging of the aortic and mitral valves, management of valve disease in pregnant women, and advances in diagnosis and treatment of endocarditis. Contains new chapters on the imaging approach before TAVR, transcatheter valve-in-valve implantation for prosthetic valve stenosis, and management of pulmonic valve disease. Provides summaries of ACC, AHA, and ESC guidelines for guidance on best practices. Includes all the latest imaging modalities for a full understanding of tools needed for the most accurate physiologic understanding and accurate diagnoses. Offers access to 80 videos that help you visualize heart valve anatomy and dysfunction, as well as important techniques and procedures. Features an extensive number of new and updated illustrations of anatomy and physiology, methodology, flow charts, and clinical examples—750 high-quality images in all. Reorganizes chapters to closely link imaging and interventional approaches for aortic and mitral valve disease. Emphasizes evidence-based approaches with outcome data and relevant references. 2014 BMA Medical Book Awards 1st Prize Award Winner in Cardiology category.
Comprehensive Insights Into Mitral Valve Prolapse From Biology To Future Perspectives Of Treatment Passing Through Diagnostic Tools Surgical Techniques And Transcatheter Options
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Author : Christophe Tribouilloy
language : en
Publisher: Frontiers Media SA
Release Date : 2023-09-11
Comprehensive Insights Into Mitral Valve Prolapse From Biology To Future Perspectives Of Treatment Passing Through Diagnostic Tools Surgical Techniques And Transcatheter Options written by Christophe Tribouilloy and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-11 with Medical categories.
Mitral valve prolapse (MVP), consisting of an abnormal protrusion of mitral leaflets into the left atrium, is the main cause of severe mitral regurgitation and it often requires surgical or interventional correction. It mainly represents a typical adult disease with an average prevalence in industrialized countries ranging from 2 to 8%, but even the pediatric population may be affected showing specific features concerning both anatomy and treatment. Although its existence and clinical characteristics are known for several decades, every aspect of this pathological condition is in continuous evolution, being the subject of biologists’, cardiologists’ and surgeons’ active research. The aim of the present Research Topic is to address the MVP entity in its completeness, trying to describe all actual knowledge concerning molecular mechanisms, different clinical presentations (fibroelastic degeneration in elderly people or Barlow disease in young patients), diagnostic findings and tools (mainly represented by echocardiography and Nuclear Magnetic Resonance), their specific application to newly developed transcatheter and minimally invasive treatments, indications, surgical management and interventional strategies. For all these big chapters, special attention will be addressed to show temporal knowledge evolution and new elements acquisition, since the central message is that MVP is in flux and far from full comprehension.
Development Of Virtual Mitral Valve Leaflet Models From Three Dimensional Echocardiography
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Author : David A. Icenogle
language : en
Publisher:
Release Date : 2012
Development Of Virtual Mitral Valve Leaflet Models From Three Dimensional Echocardiography written by David A. Icenogle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Computer simulation categories.
Mitral valve (MV) disease is responsible for approximately 2,581 deaths and 41,000 hospital discharges each year in the US. Mitral regurgitation (MR), retrograde blood from through the MV, is often an indicator of MV disease. Surgical repair of MVs is preferred over replacement, as it is correlated with better patient quality of life. However, replacement rates are still near 40% because MV surgical repair expertise is not spread across all hospitals. In addition, 15-80% of surgical repair patients have recurrent MR within 10 years. Quantitative patient-specific models could aid these issues by providing less experienced surgeons with additional information before surgery and a quantitative map of patient valve changes after surgery. Real-time 3D echocardiography (RT3DE) can provide high quality 3D images of MVs and has been used to generate quantitative models previously. However, there is not currently an efficient, dynamic, and validated method that is fast enough to use in common practice. To fill this need, a tool to generate quantitative 3D models of mitral valve leaflets from RT3DE in an efficient manner was created. Then an in vitro echocardiography correction scheme was devised and a dynamic, in vitro validation of the tool was performed. The tool demonstrated that it could generate dynamic, complex MV geometry accurately and more efficiently than current methods available. In addition, the ability for mesh interpolation techniques to reduce segmentation time was demonstrated. The tool generated by this study provides a method to quickly and accurately generate MV geometry that could be applied to dynamic patient specific geometry to aid surgical decisions and track patient geometry changes after surgery.
Right Heart Pathology
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Author : Silviu Ionel Dumitrescu
language : en
Publisher: Springer
Release Date : 2018-05-31
Right Heart Pathology written by Silviu Ionel Dumitrescu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-31 with Medical categories.
This book reviews the management of right heart diseases, incorporating etiology, physiopathology, prevention, diagnosis and treatment. The frequency of this pathology has increased in recent years, while techniques for its treatment have evolved. This book therefore represents a complete, detailed and updated presentation of this pathology, reviewing the expanded treatment options while considering the management of patients in detail. Right Heart Pathology: From Mechanism to Management provides a comprehensive insight into right heart pathology, current diagnostic methods, treatments and postsurgical management. Written by experienced cardiologists and cardiovascular surgeons who have addressed significant issues in this topic area, it represents the essential reference in this specialty.
The Washington Manual Of Echocardiography
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Author : Ravi Rasalingam
language : en
Publisher: Lippincott Williams & Wilkins
Release Date : 2012-06-28
The Washington Manual Of Echocardiography written by Ravi Rasalingam and has been published by Lippincott Williams & Wilkins this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-28 with Medical categories.
Supervised and edited by faculty from the Washington University School of Medicine, The Washington Manual of Echocardiography provides quick insight into the successful performance and interpretation of echocardiographic images. Ideal for today’s cardiology fellow, this outstanding reference is both sufficiently comprehensive to guide users through training, and accessible enough as a quick consult for general physicians who are interested in echocardiography. Your keys to excellence in cardiac echo... • Tips and pearls from cardiologists and sonographers offer guidance on proper set-up, correct transduction technique, and image optimization • Easy-to-navigate sections address diagnostic markers of valvular heart disease, cardiomyopathies, and congenital anomalies, as well as applications of trans-esophageal echocardiography • Abundant high-quality images enhance visual learning and improve diagnostic accuracy • Succinct yet comprehensive descriptions present critical pieces of information on key areas of echocardiography and Doppler techniques • Free online companion website with hundreds of echo clips in addition to the full text for you to access anytime, anywhere