Download or read book Acoustic and afterload evaluation of left ventricular assist devices written by Per Sundbom and published by Linköping University Electronic Press. This book was released on 2019-11-12 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background: Heart Failure is a serious condition with consequences not only for the individual patient but also for the society with a 5-year mortality rate of 45-60%, and a substantial economic burden. The estimated prevalence in Sweden is 2.2% and the age adjusted prevalence increases with higher age. The fundamental treatment for heart failure is pharmaceutical in combination with life-style changes, and physiotherapy. For patients with advanced heart failure, the use of long-term circulatory support can be an option as a bridge to transplantation, or as destination therapy. However, this treatment entails a risk of multiple adverse events. The incidence of pump thrombosis increased as a clinical problem in 2012 and the need for diagnostic methods were desired. The aim of this thesis was to develop and to evaluate the use of a mock loop circuit to study the acoustics of left ventricular assist devices, to evaluate different recording devices and to study the effect of afterload on pump function. Methods: Two different mock loops, with the possibility to insert artificial thrombus and to adjust preload and afterload were created to facilitate recording of the left ventricular assist devices. An iPhone/iPodTM was used as recording device since remote monitoring is desirable. The sounds from HeartMate IITM during different conditions were studied. The iPhone/iPod was evaluated in comparison to dedicated recording equipment, and the mock loop recordings to clinical situation. The sound from HeartMate 3TM was studied, compared between in vivo and in vitro recordings, and the use of an electronic stethoscope was evaluated. The impact of afterload on left ventricular assist devices was studied in a mock loop circuit with different changes in preload and afterload. Results: Mock loop circuit is a promising method to safely change the surrounding conditions as the pump is working. The sound from both HeartMate IITM and HeartMate 3TM can be recorded and analyzed in frequency and time domain. When inserting artificial thrombus in a HeartMate IITM the frequency spectrum is altered. The use of dedicated recording devices is superior to both electronic stethoscope and iPhone/iPodTM, but these handheld devices can be used in clinical settings. The recordings from mock loop circuit and patients appear similar for both HeartMate IITM and HeartMate 3TM. The flow of the devices is affected by the afterload. The HeartMate 3TM is more resistant to increased clot analogs within the pump. For both pumps, best efficacy is seen for clean circuits. The flow rate from the monitor might be misleading since the measured flow rate and the flow rate from monitor can differ due to surrounding conditions. The estimated flow might be adjusted by fitting a parabolic curve. Conclusion: The use of mock loop circuit to study both flow and sound under different conditions is valid. It is possible to record and study the sound from both HeartMate IITM and HeartMate 3TM. The sound holds information of pump function and appears similar in vivo and in vitro. All recording devices can be used, but dedicated equipment is superior to the more handheld devices, although these might have a function as a screening device. The flow measurement on the monitor might not be valid and optimization of fluid status and afterload can further increase pump efficiency.

Download or read book Mechanical Circulatory Support Principles and Applications written by David L. Joyce and published by McGraw Hill Professional. This book was released on 2011-10-07 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: An all-in-one guide to mechanical assist devices for the treatment of heart failure This complete guide addresses all of the clinical scenarios encountered by the health care team during the pre-operative, intra-operative, and post-operative periods following device implantation. In addition, it outlines the specific attributes of various technologies that are currently utilized by clinicians, giving you a practical view of how the latest devices work. You’ll also find a mini-catalog of the spectrum of current devices, complete with their technical and clinical specifications. Drawing on the latest published data and the combined global expertise of a renowned author team, Mechanical Circulatory Support puts the field’s most essential perspectives right at your fingertips. FEATURES: The unmatched mechanical circulatory device sourcebook, covering the physiological, technical, regulatory, and clinical aspects of ventricular assist devices Full-color presentation features a wide range of photographs, radiographs, tables, and clearly labeled clinical and schematic illustrations Essential insights into the physiology of heart failure, which provides a basic foundation of knowledge for understanding the role of mechanical circulatory assistance in the management of heart failure Logical two-part organization consisting of: Clinical Considerations in mechanical circulatory support, including device history/development and indications for device therapy; perioperative management; complications; and special considerations (use in infants/children, pulmonary hypertension during LVAD support, and more) Device-Specific Considerations, which provides a mini-catalog of manufacturer’s devices—-from short-term devices to long-term continuous flow devices—-and highlights technical and clinical specifications for each product Guide to appropriate device selection using a simplified framework in an industry that produces an increasing array of short- and long-term therapies Helpful chapter introductions provide essential background information that places each chapter topic in its proper clinical and technical context Conclusions at the end of each chapter offer a concise summary of chapter material Full chapter-ending references provide opportunities for further research

Download or read book Textbook of Clinical Echocardiography written by Catherine M. Otto and published by Elsevier Health Sciences. This book was released on 2016-11-12 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today’s echocardiography continues to be a low-cost, minimal-risk procedure with the potential to yield a vast amount of detailed, precise anatomic and physiologic information. Dr. Catherine Otto’s Textbook of Clinical Echocardiography, 6th Edition, clearly outlines how to master the core principles of echocardiographic imaging in order to make an initial diagnosis and integrate this data in clinical decision making for patients with a wide range of cardiovascular diseases. Ideal for cardiology fellows, medicine residents, and cardiac sonography students, this bestselling text teaches all the essential elements of ultrasound physics, tomographic and 3D anatomy, image acquisition, advanced imaging modalities, and application in specific disease categories– all with a practical, problem-based approach. Concentrates on the foundational concepts you need to know to perform and interpret echocardiographic studies and to pass your board exams. Covers all advanced echo techniques, including contrast echo, 3D echo, and myocardial mechanics, as well as intraoperative and intra-procedural transesophageal echocardiography (TEE). Discusses what alternative diagnostic approaches to initiate when echocardiography does not provide a definitive answer. Includes new Echo Math boxes in each chapter for quick review and greater comprehension. Provides new ASE recommendations for chamber quantitation, including updated tables of normal measurements. Matches full-color anatomic drawings of heart structures with the 2D and 3D echocardiographic views. Pairs state-of-the-art echo images with more than 360 videos that illustrate the full range of cardiac disease diagnosed with this powerful imaging approach. Expert ConsultTM eBook version included with purchase. This enhanced eBook experience allows you click on each figure to see the corresponding video, as well as search all of the text, figures, and references from the book on a variety of devices.

Download or read book Acute Heart Failure written by Alexandre Mebazaa and published by Springer Science & Business Media. This book was released on 2009-12-24 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many years, there has been a great deal of work done on chronic congestive heart failure while acute heart failure has been considered a difficult to handle and hopeless syndrome. However, in recent years acute heart failure has become a growing area of study and this is the first book to cover extensively the diagnosis and management of this complex condition. The book reflects the considerable amounts of new data reported and many new concepts which have been proposed in the last 3-4 years looking at the epidemiology, diagnostic and treatment of acute heart failure.

Download or read book Encyclopedia of Cardiovascular Research and Medicine written by and published by Elsevier. This book was released on 2017-11-27 with total page 2854 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Cardiovascular Research and Medicine, Four Volume Set offers researchers over 200 articles covering every aspect of cardiovascular research and medicine, including fully annotated figures, abundant color illustrations and links to supplementary datasets and references. With contributions from top experts in the field, this book is the most reputable and easily searchable resource of cardiovascular-focused basic and translational content for students, researchers, clinicians and teaching faculty across the biomedical and medical sciences. The panel of authors chosen from an international board of leading scholars renders the text trustworthy, contemporary and representative of the global scientific expertise in these domains. The book's thematic structuring of sections and in-depth breakdown of topics encourages user-friendly, easily searchable chapters. Cross-references to related articles and links to further reading and references will further guide readers to a full understanding of the topics under discussion. Readers will find an unparalleled, one-stop resource exploring all major aspects of cardiovascular research and medicine. Presents comprehensive coverage of every aspect of cardiovascular medicine and research Offers readers a broad, interdisciplinary overview of the concepts in cardiovascular research and medicine with applications across biomedical research Includes reputable, foundational content on genetics, cancer, immunology, cell biology and molecular biology Provides a multi-media enriched color-illustrated text with high quality images, graphs and tables.

Download or read book Insights in Heart Failure and Transplantation 2022 written by Matteo Cameli and published by Frontiers Media SA. This book was released on 2023-10-25 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Essential Echocardiography written by Timothy M. Maus and published by Springer Nature. This book was released on 2022-01-24 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on the success of the previous edition, this review book includes all of the original content plus several new chapters dedicated to the education and implementation of transthoracic echocardiography and point-of-care ultrasonography. Chapters feature board review-style questions and answers to assist readers with board exam preparation. This book also includes the most up-to-date echocardiography content and practice guidelines. This book fills an educational gap in the perioperative and critical care echocardiography landscape. It addresses essential perioperative and critical care echocardiography topics in an accessible manner for those who provide acute care and resuscitation in any environment, including the operating room, intensive care unit, and the emergency department. Essential Echocardiography, 2nd edition, is expertly written for the practitioner with limited knowledge of echocardiography preparing for either the Examination of Special Competence in Basic Perioperative TEE (Basic PTEeXAM) or the Examination of Special Competence in Critical Care Echocardiography (CCEeXAM).

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1976 with total page 1586 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Critical Heart Disease in Infants and Children E Book written by Ross M. Ungerleider and published by Elsevier Health Sciences. This book was released on 2018-09-26 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt: Features comprehensive updates throughout the text, including indications, techniques, potential complications in perioperative management of patients, and surgical techniques for congenital heart disease. Covers recent advances in the treatment of pulmonary hypertension, developments in mechanical assist devices, heart and lung transplantation, and interventional cardiac catheterization. Features an all-new, full-color format that speeds navigation and helps clarify complex concepts. Contains 27 new chapters with an emphasis on the team approach to patient care in the ICU including creating multidisciplinary teams, quality and performance improvement, training , and challenges and solutions to developing a cohesive team environment. Includes a detailed chapter on bedside ultrasound, walking you through the techniques you’re most likely to encounter in the ICU. Employs well-documented tables, text boxes, and algorithms to make clinical information easy to access, and to provide a more complete understanding of echocardiography, imaging modalities, pulmonary hypertension, and more. Describes the basic pharmacology and clinical applications of new pharmacologic agents. Examines issues affecting adults with congenital heart disease.

Download or read book The Right Ventricle written by Marvin A. Konstam and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is quite natural that literature related to car heart disease, cardiomyopathy, pulmonary and diac structure, function, pathology, and patho pulmonary vascular disease, trauma, acquired valvular disease, congenital disease, and surgi physiology has emphasized the left heart and systemic circulation. The relative lack of im cal considerations. The pathologic and clinical relevance of myocardial infarction of the right portance of the right ventricle was supported by studies performed in the 1940s and 1950s ventricle has only been documented over the which suggested that the right ventricular free last 15 years. The chapter on right ventricular wall could be effectively destroyed in an animal infarction integrates clinical, functional, patho model without detectable untoward hemody physiologic, and pathologic observations to pro namic consequences. The relative inadequacy vide the reader with a thorough review, equally of noninvasive tools to study right ventricular relevant to the clinician and investigator. The contribution on dilated cardiomyopathy pro structure and function obviated detailed and systematic investigation. However, over the vides novel insight into the impact of right ventricular performance on the functional in past 15 years there has been a resurgence of interest in the right ventricle by a variety of capacity accompanying left heart failure. A book dealing with the right ventricle would investigators. The skeptic would argue that this renewed interest resulted from an exhaustion be incomplete without at least cursory reference we have of clinically-related observations that could be to the pulmonary circulation.

Download or read book Multislice CT written by Maximilian F Reiser and published by Springer Science & Business Media. This book was released on 2008-10-20 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by numerous experts

Download or read book Diagnosis and Management of Hypertrophic Cardiomyopathy written by Barry J. Maron and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diagnosis and Management of Hypertrophic Cardiomyopathy is aunique, multi-authored compendium of information regarding thecomplexities of clinical and genetic diagnosis, natural history,and management of hypertrophic cardiomyopathy (HCM)—the mostcommon and important of the genetic cardiovasculardiseases—as well as related issues impacting the health oftrained athletes. Edited by Dr. Barry J. Maron, a world authority on HCM, and withmajor contributions from all of the international experts in thisfield, this book provides a single comprehensive source ofinformation concerning HCM. Recent advances in the field arediscussed, including the importance of left ventricular outflowtract obstruction, the use of implantable defibrillators for theprevention of sudden death in young people, definition of thegenetic basis for HCM and its role in clinical diagnosis and riskstratification, the development of more precise strategies forassessing the level of risk for sudden death among all patientswith HCM, and the evolution of invasive interventions for heartfailure symptoms, such as surgical management and its alternatives(alcohol septal ablation and dual-chamber pacing). Key Features: Contributions from all experts in the field,representing diverse viewpoints regarding this heterogeneousdisease and related issues in athletes Information to dispel misunderstandings regarding issuesassociated with HCM and cardiovascular disease in athletes The only comprehensive source of information available on thetopic

Download or read book Mechanical Circulatory Support for Advanced Heart Failure written by Jeffrey A. Morgan and published by Springer. This book was released on 2017-12-06 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the most up to date information on every aspect of clinical care relating to patients with advanced heart failure who require mechanical circulatory support as a treatment strategy. The book begins with an extensive description of the preoperative patient selection process as well as preoperative medical optimization, including bridge to bridge strategies with short-term devices. The book then transitions into a description of a variety of surgical implantation techniques with special considerations for reoperative surgery. A chapter on intraoperative anesthesia management is specifically focused on intraoperative issues relating to MCS patients. Subsequent chapters focus on perioperative management as well as long-term management of patients on MCS, including optimization of a patient’s LVAD speed. A dedicated chapter on the diagnosis of device thrombosis as well as surgical techniques and outcomes associated with device exchanges is also included. The book also summarizes the national and international outcomes data for using MCS as a bridge to transplant and destination therapy. There is also a chapter on the utility of stem cells as an adjunct technique for inducing myocardial recovery. Finally, the book has chapters on complications of MCS, management of right ventricular failure, and the future of MCS.

Download or read book Advances in Extracorporeal Membrane Oxygenation written by Michael S. Firstenberg and published by BoD – Books on Demand. This book was released on 2019-12-04 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extracorporeal membrane oxygenation is an effective tool for managing patients with severe acute cardiogenic shock and/or respiratory failure. With emphasis on teamwork and adherence to guidelines, protocols, and objective tools to assist in patient selection, management, and weaning, outcomes have improved. Nevertheless, every aspect of supporting patients who require extracorporeal support remains a challenge - with many unanswered questions. The goal of this text, as a supplement to the previous editions on this rapidly evolving topic, is to provide the reader with a more in-depth review of some of the ongoing issues in this field. Topics ranging from administrative aspects to developing a program, nursing issues, ethical concerns, and a variety of clinical topics are discussed at length.

Download or read book Echocardiography in Pediatric and Adult Congenital Heart Disease written by Benjamin W. Eidem and published by Lippincott Williams & Wilkins. This book was released on 2012-03-28 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by expert pediatric cardiologists at the Mayo Clinic and other leading institutions, this book provides a comprehensive review of echocardiographic evaluation and diagnosis of congenital heart disease in pediatric and adult patients. Coverage includes advanced techniques such as tissue Doppler, three-dimensional echocardiography, intracardiac and intraoperative transesophageal echocardiography, and cardiac magnetic resonance imaging. Chapters provide complete information on the full range of abnormalities and on evaluation of valve prostheses and the transplanted heart. More than 1,300 illustrations, including over 900 in full color, complement the text. Purchase includes online access to AVI clips developed at the Mayo Clinic of the congenital-specific lesions illustrated in the book.

Download or read book Congenital Cardiac Anesthesia written by Laura K. Berenstain and published by Cambridge University Press. This book was released on 2021-09-16 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: An illustrated guide for anesthesia providers for congenital heart disease patients, with a focus on non-cardiac operating room settings.

Download or read book Current Practice Of Echocardiography Volume 2 written by Dr K C Verma and published by BFC Publications. This book was released on 2023-08-18 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: