Quantitative Coronary And Left Ventricular Cineangiography
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Quantitative Coronary And Left Ventricular Cineangiography
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Author : Johan H. C. Reiber
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Quantitative Coronary And Left Ventricular Cineangiography written by Johan H. C. Reiber 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 2012-12-06 with Medical categories.
In recent years there has been an increasing interest in quantitative analysis of coronary cineangiograms and already for a longer time of left ventricular cin eangiograms. The needfor quantitationofcoronary arterialdimensions has been stimulated by the introduction ofnew therapeutic procedures in the catheteriza tionlaboratory, suchas the balloon dilatationtechnique (PTCA) and thromboly tic therapy, by the need to study the vasoactive responses of pharmaceutical agents, and also by the desire to study the progressive nature ofcoronary artery disease with the ultimate goal to find ways to bring a halt to the progression of coronary atherosclerosis or even achieve regression of the disease. Parallel with these clinical developments, rapid technical developments in computerarchitect ures and semiconductor memories have made it possible to digitize and store cineframesor selected portions thereof in image processors and to analyze these pictorial data quantitatively at affordable prices. More than 15 years of research have been directed by various groups towards the semi- or fully-automated delineation of the left ventricular boundaries on a frame-to-frame basis. Yet not a single system with fully-automated capability is commercially available. In the mean time many different left ventricular wall motion models have been developed, again with little consensuson which model is to be preferred as no golden standard exists.
Quantitative Coronary And Left Ventricular Cineangiography
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Author : Johan H C Reiber
language : en
Publisher:
Release Date : 1986-04-30
Quantitative Coronary And Left Ventricular Cineangiography written by Johan H C Reiber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-04-30 with categories.
State Of The Art In Quantitative Coronary Arteriography
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Author : Johan H. C. Reiber
language : en
Publisher: Springer
Release Date : 1986-09-30
State Of The Art In Quantitative Coronary Arteriography written by Johan H. C. Reiber and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-09-30 with Medical categories.
Over the past twenty years, technical advances in coronary arteriography have contributed to our understanding of the pathophysiologic aspects and natural history of coronary artery disease. Probably more than 700. 000 coronary arterio grams are performed annually throughout the world. Usually, these arteriograms are interpreted visually to determine the morphologic extent and severity of coronary artery disease. These subjective determinations, which are hampered . by relatively large intra- and interobserver variations, are used as a basis for critically important therapeutic decisions: Which arteries are to be revascular ized, which lesions are suitable for coronary bypass surgery or for percutaneous coronary angioplasty? To improve on this clinical decision making, on the treat ment and follow-up of such patients, new, objective and reproducible techniques for the assessment of the extent and severity of coronary artery disease, both in terms of anatomy and functional significance of the lesions, must be made widely available. With such new procedures and technologies the efficacy of new thera peutic procedures, the effects of vasodilating and constricting drugs, and the results of long-term studies on the regression and progression of atherosclerotic plaque can be determined in an objective and cost-effective manner.
Progress In Quantitative Coronary Arteriography
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Author : Johan H. C. Reiber
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Progress In Quantitative Coronary Arteriography written by Johan H. C. Reiber 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 2012-12-06 with Medical categories.
This is the fifth volume in this series on quantitative coronary arteriography (QCA) published over the last nine years. Research and applications in this exciting, field are covered in a total of 26 chapters by world renowned experts. This book is subdivided into a total of 6 parts, each emphasizing the latest progress in these respective fields. In Part One a comprehensive overview is given of the current knowledge and research in endothelial function, which is of eminent importance for the further understanding of the pathophysiology of coronary artery disease in patients. Fortunately, the use of QCA tools is not limited anymore to leading research institutes; over the last several years these tools have been installed in many cardiology centers world wide. To understand the current possibili ties, limitations and future expectations of QCA, several relevant topics are presented in Part Two. First of all, the questions about why and how QCA systems should be validated both at the development site and at the appli cation sites, and whether data from different vendors and core laboratories can be pooled, are discussed. As the X-ray cardiovascular world steadily moves into the digital imaging era, differences and similarities between the conventional cinefilm and the modern digital approaches are presented. Cur rently. the widespread use of digital imaging is still hindered by the lack of proper archival and exchange media. Requirements and possible solutions for this problem are handled in this section as well.
Angiocardiography
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Author : Hanjörg Just
language : en
Publisher: Springer
Release Date : 1986
Angiocardiography written by Hanjörg Just and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Medical categories.
Quantitative Coronary Arteriography
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Author : Johan H C Reiber
language : en
Publisher:
Release Date : 1991-03-31
Quantitative Coronary Arteriography written by Johan H C Reiber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-03-31 with categories.
State Of The Art In Quantitative Coronary Arteriography
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Author : Johan H. C. Reiber
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
State Of The Art In Quantitative Coronary Arteriography written by Johan H. C. Reiber 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 2012-12-06 with Medical categories.
Over the past twenty years, technical advances in coronary arteriography have contributed to our understanding of the pathophysiologic aspects and natural history of coronary artery disease. Probably more than 700. 000 coronary arterio grams are performed annually throughout the world. Usually, these arteriograms are interpreted visually to determine the morphologic extent and severity of coronary artery disease. These subjective determinations, which are hampered . by relatively large intra- and interobserver variations, are used as a basis for critically important therapeutic decisions: Which arteries are to be revascular ized, which lesions are suitable for coronary bypass surgery or for percutaneous coronary angioplasty? To improve on this clinical decision making, on the treat ment and follow-up of such patients, new, objective and reproducible techniques for the assessment of the extent and severity of coronary artery disease, both in terms of anatomy and functional significance of the lesions, must be made widely available. With such new procedures and technologies the efficacy of new thera peutic procedures, the effects of vasodilating and constricting drugs, and the results of long-term studies on the regression and progression of atherosclerotic plaque can be determined in an objective and cost-effective manner.
Advances In Quantitative Coronary Arteriography
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Author : Johan H. C. Reiber
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Advances In Quantitative Coronary Arteriography written by Johan H. C. Reiber 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 2012-12-06 with Medical categories.
In this fourth book in the series on quantitative coronary arteriography (QCA) with the earlier three volumes published in 1986, 1988 and 1991, the latest developments in this exciting field are covered. Both the methodolog ical and clinical application aspects of these advances are presented in a comprehensive manner in a total of 37 chapters by world renowned experts. The book is subdivided into a total of eight parts, beginning with the more methodological issues, such as QCA and other modalities (3 chapters), cine film versus digital arteriography (3 chapters), quality control in QCA (4 chapters), and coronary blood flow and flow reserve (3 chapters). Since QCA has been well established as the technique for the assessment of regression and progression in atherosclerotic disease, and of restenosis after recanaliz ation procedures, major clinical trials in both groups are described extensively by their principal investigators in a total of 11 chapters. In addition, the QCA results after the application of various recanalization techniques are presented in another eight chapters. In the last part the experiences with various intracoronary prostheses with the emphasis on QCA are discussed in five chapters. This large increase in application oriented chapters means that QCA is well alive and gaining momentum. Although the accuracy and precision of the analytical methods steadily improve with the increasing complexity of the algorithms, there is still always the human factor involved in these processes in terms of frame selection, segment definition, etc.
Restenosis After Intervention With New Mechanical Devices
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Author : P.W. Serruys
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Restenosis After Intervention With New Mechanical Devices written by P.W. Serruys 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 2012-12-06 with Medical categories.
From the Foreword by Eric J. Topol In the past five years, interventional cardiology has entered a new era of evaluating percutaneous transcatheter technologies to treat coronary artery disease and prevent restenosis. Cardiologists attempting to follow this new and exciting field may easily be confused by the growth and expansion of new devices, the technical details relevant to each device and enthusiastic claims of success. This monograph is a comprehensive and objective assessment of restenosis from the perspective of these new technologies including stenting, atherectomy, rotational abrasion and lasers, written by innovators and pioneers. The international breadth of experience is reflected in the summary of experiences from both sides of the Atlantic, at times with conflicting observations and results which in itself is valuable, given the diverse experience to date. In addition to the lucid summaries of the early and late results of these new devices, important issues in the methodology of restenosis research are addressed, including limitations of quantitative coronary arteriography in evaluating the new devices and important advances in alternatives to arteriography such as intravascular imaging. As a whole, this monograph is exceptionally worthwhile owing to its complete, up-to-date, balanced and visionary elements. There is no question that the new coronary device era has ushered in some excitement, and some despair. This book serves a pivotal purpose by weaving so many new concepts together, establishing the groundwork for further development of mechanical approaches to limit restenosis. I heartily recommend this text to all interventional cardiologists interested in practical and research aspects of restenosis.
Vascular Diagnostics
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Author : Peter Lanzer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Vascular Diagnostics written by Peter Lanzer 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 2012-12-06 with Medical categories.
In the past few years, the most exciting advances have occured in vascular diagnostics. First of all, well-established techniques like ultrasound have been further refined and developed (intravascular ultrasound). Furthermore, diagnostic investigations could be linked to treatment itself. More and more interventional techniques (the most popular is still percutaneous transluminary angioplasty - PTCA) have been introduced into daily routine. Radiologists and cardiologists are working more and more together, a fact which is reflected by the international group of experts bringing here the knowledge from both fields together for the first time.