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Author: N.H. Pijls Publisher: Springer Science & Business Media ISBN: 9401588341 Category : Medical Languages : en Pages : 348
Book Description
Cardiologists must answer three important questions when evaluating and treating patients with a coronary artery stenosis. As a physiologist: "What is the effect of this stenosis on coronary blood flow and myocardial function?"; as a clinician: " Is this lesion responsible for the patient's symptoms?"; and finally as an interventionalist: "Will revascularization of this artery improve the patient?" Fundamentally, the answer to these questions can be given to a large extent by measuring coronary pressure. That is the rationale of writing this book. 1. 1 Historical overview. Andreas Gruentzig and most interventional cardiologists in the early days of PTCA, had the intuitive feeling that pressure measurements could help to establish the severity of a coronary stenosis and to monitor the progress and result of a coronary intervention. At that time, measuring coronary pressure by the balloon catheter was part of a standard procedure. A residual transstenotic gradient of less than 15 mmHg was generally considered as a good result. Later, however, it turned out that measuring these (resting) gradients with balloon catheters was inaccurate an only had a limited prognostic value. Moreover, because there was no consistent theory to correlate pressure measurements to blood flow, the interest in measuring coronary pressures faded and disappeared almost completely with the introduction of new balloon catheters not intended for pressure measurement.
Author: N.H. Pijls Publisher: Springer Science & Business Media ISBN: 9401588341 Category : Medical Languages : en Pages : 348
Book Description
Cardiologists must answer three important questions when evaluating and treating patients with a coronary artery stenosis. As a physiologist: "What is the effect of this stenosis on coronary blood flow and myocardial function?"; as a clinician: " Is this lesion responsible for the patient's symptoms?"; and finally as an interventionalist: "Will revascularization of this artery improve the patient?" Fundamentally, the answer to these questions can be given to a large extent by measuring coronary pressure. That is the rationale of writing this book. 1. 1 Historical overview. Andreas Gruentzig and most interventional cardiologists in the early days of PTCA, had the intuitive feeling that pressure measurements could help to establish the severity of a coronary stenosis and to monitor the progress and result of a coronary intervention. At that time, measuring coronary pressure by the balloon catheter was part of a standard procedure. A residual transstenotic gradient of less than 15 mmHg was generally considered as a good result. Later, however, it turned out that measuring these (resting) gradients with balloon catheters was inaccurate an only had a limited prognostic value. Moreover, because there was no consistent theory to correlate pressure measurements to blood flow, the interest in measuring coronary pressures faded and disappeared almost completely with the introduction of new balloon catheters not intended for pressure measurement.
Author: Michitoshi Inoue Publisher: Springer Science & Business Media ISBN: 4431683674 Category : Medical Languages : en Pages : 330
Book Description
Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author: N.H. Pijls Publisher: Springer Science & Business Media ISBN: 940159564X Category : Medical Languages : en Pages : 430
Book Description
A little bit more than two years after the first edition, we are pleased to publish the second edition of this book. More than half of the chapters have been remodeled and completed as the result of technical improvements and recently acquired clinical data. During these two years, the number of coronary pressure measurements performed worldwide both during diagnostic and interventional procedures has increased almost exponentially. Most of the initial problems associated with this new approach have been overcome. Many colleagues have explored new research avenues and in many catheterization laboratories the method has matured from a research toy to a clinical tool. Classical indications such as the intermediate stenosis and guidance of PTCA or stent implantation, have been largely extended and coronary pressure measurement has proven to be useful in multi vessel disease, diffuse disease, long and serial stenosis, after myocardial infarction, and in many other diagnostic and interventional situations encountered in the catheterization laboratory. Quite unexpectedly, this approach has also enforced the ties with our surgical colleagues in the selection of patients suitable for minimal invasive surgery or hybride revascularization. Also in mild and intermediate left main disease, there is a role for coronary pressure measurement in the process of decision making. We would like to express our gratitude to all those many colleagues who trusted and applied this new approach for the benefit of their patients. Aalst, Eindhoven, Bernard De Bruyne. Nico H. J. Pijls. March, 2000. Table of Contents (overview) 1 1.
Author: Edward T. Gilbert-Kawai Publisher: Cambridge University Press ISBN: 1107636604 Category : Medical Languages : en Pages : 219
Book Description
Covers all of the equations that candidates need to understand and be able to apply when sitting postgraduate anaesthetic examinations.
Author: Nico H. J. Pijls Publisher: Springer ISBN: Category : Medical Languages : en Pages : 376
Book Description
Cardiologists must answer three important questions when evaluating and treating patients with a coronary artery stenosis. As a physiologist: "What is the effect of this stenosis on coronary blood flow and myocardial function?"; as a clinician: " Is this lesion responsible for the patient's symptoms?"; and finally as an interventionalist: "Will revascularization of this artery improve the patient?" Fundamentally, the answer to these questions can be given to a large extent by measuring coronary pressure. That is the rationale of writing this book. 1. 1 Historical overview. Andreas Gruentzig and most interventional cardiologists in the early days of PTCA, had the intuitive feeling that pressure measurements could help to establish the severity of a coronary stenosis and to monitor the progress and result of a coronary intervention. At that time, measuring coronary pressure by the balloon catheter was part of a standard procedure. A residual transstenotic gradient of less than 15 mmHg was generally considered as a good result. Later, however, it turned out that measuring these (resting) gradients with balloon catheters was inaccurate an only had a limited prognostic value. Moreover, because there was no consistent theory to correlate pressure measurements to blood flow, the interest in measuring coronary pressures faded and disappeared almost completely with the introduction of new balloon catheters not intended for pressure measurement.
Author: Morton J. Kern Publisher: John Wiley & Sons ISBN: 1119095638 Category : Medical Languages : en Pages : 464
Book Description
The essential resource on cardiac hemodynamics—now in a new edition Hemodynamic Rounds, Fourth Edition is intended to help cardiologists, cardiovascular fellowship trainees, residents and other members of the medical community enhance their understanding of cardiac physiology and its associated hemodynamic presentations in health and disease. This includes the basic principles of flow and pressure measurements, systemic as well as coronary hemodynamics in normal and diseased states, and changes in hemodynamics following interventional procedures ranging from TAVI and valvuloplasty to stent placement. Like its popular predecessors, this new edition draws on case studies to illustrate characteristic cardiac hemodynamic findings and discusses the essential methods used in interpreting pressure waveforms as a diagnostic and monitoring tool. The text is organized into chapters on specific areas of the heart, common cardiac pathophysiologic conditions, and hemodynamic situations resulting from different therapeutic procedures. It includes discussions of both normal and abnormal pressure waveforms. This new edition has been revised throughout to include brand new content on aortic and mitral valve stenosis and regurgitation as well as TAVI and mitral clip hemodynamics. Highlights include: Essential and easy to understand resource for those required to interpret cardiac blood flow and blood pressure tracings Covers hemodynamic assessment by cardiac disorder, plus the bedside applications of hemodynamics Revised throughout and includes brand new content on valve stenosis and regurgitation and TAVI and mitral clip hemodynamics Hemodynamic Rounds: Interpretation of Cardiac Pathophysiology from Pressure Waveform Analysis, Fourth Edition is an indispensable tool for all physicians, nurses, and students responsible for measuring and interpreting cardiac waveforms in cardiac diagnosis and monitoring.
Author: Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure Publisher: ISBN: Category : Hypertension Languages : en Pages : 44
Author: Filippo Crea Publisher: Springer Science & Business Media ISBN: 8847053676 Category : Medical Languages : en Pages : 257
Book Description
In the past two decades a number of studies have shown that abnormalities in the function and structure of coronary microcirculation can be detected in several cardiovascular diseases. On the basis of the clinical setting in which it occurs, coronary microvascular dysfunction (CMD) can be classified into four types: CMD in the absence of any other cardiac disease; CMD in myocardial diseases; CMD in obstructive epicardial coronary artery disease; and iatrogenic CMD. In some instances CMD represents an epiphenomenon, whereas in others it represents an important marker of risk or may contribute to the pathogenesis of myocardial ischemia, thus becoming a possible therapeutic target. This book provides an update on coronary physiology and a systematic assessment of microvascular abnormalities in cardiovascular diseases, in the hope that it will assist clinicians in prevention, detection and management of CMD in their everyday activity.
Author: Michael Ragosta Publisher: Elsevier Health Sciences ISBN: 1416040005 Category : Medical Languages : en Pages : 264
Book Description
Here's a source of guidance on the analysis of the hemodynamic waveforms generated in the cardiac catheterization lab. It progresses from a review of basic monitoring principles and normal waveforms through an assessment of the waveform data associated with the full range of individual coronary diseases, providing the assistance needed to accurately interpret any findings encountered in practice. Its extremely clinically oriented approach makes it an ideal hands-on tool for any clinician involved in diagnosing cardiac problems using interventional cardiology.
Author: N.H. Pijls
Author: N.H. Pijls
Author: Michitoshi Inoue
Author: N.H. Pijls
Author: Edward T. Gilbert-Kawai
Author: Nico H. J. Pijls
Author: Morton J. Kern
Author: Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure
Author: Filippo Crea
Author: Michael Ragosta
Author: Matthew E. Cross