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This heavily revised second edition comprehensively reviews the use of optical coherence tomography (OCT) in cardiovascular practice. It provides detailed guidance on how to properly interpret OCT images and successfully utilise it in daily clinical practice Chapters cover the development and physics associated with OCT, relevant interpretation skills, OCT imaging artifacts, plaque erosion, bioabsorbable stent, the detection of vulnerable plaque, and the use of OCT imaging in unison with other modalities such as phase contrast imaging (PCI). Areas of potential future development are also covered Cardiovascular OCT Imaging enables interventional cardiologists and cardiologists to quickly become both familiar and develop a detailed understanding of this technology to improve patient care and treatment outcome. It is a valuable reference for all practising and trainee medical professionals in cardiology, and in particular those who specialize in interventional cardiology.
This heavily revised second edition comprehensively reviews the use of optical coherence tomography (OCT) in cardiovascular practice. It provides detailed guidance on how to properly interpret OCT images and successfully utilise it in daily clinical practice Chapters cover the development and physics associated with OCT, relevant interpretation skills, OCT imaging artifacts, plaque erosion, bioabsorbable stent, the detection of vulnerable plaque, and the use of OCT imaging in unison with other modalities such as phase contrast imaging (PCI). Areas of potential future development are also covered Cardiovascular OCT Imaging enables interventional cardiologists and cardiologists to quickly become both familiar and develop a detailed understanding of this technology to improve patient care and treatment outcome. It is a valuable reference for all practising and trainee medical professionals in cardiology, and in particular those who specialize in interventional cardiology.
This book, written by premier authors in the field of OCT intravascular imaging, covers the best practices for using OCT to provide high resolution cross-sectional viewing for atherosclerotic plaque assessment, stent strut coverage and apposition, assessment in stent restenosis evaluation, and PCI guide and optimization. Fully illustrated thorughout in a handy, cath-lab side handbook supplemented by online movie clips, OCT Made Easy includes case studies, angiography, CT correlations, and simple techniques for getting the best image.
Given that for centuries, the standard tool to understand diseases in tissues was the microscope and that its major limitation was that only excised tissue could be used, recent technology now permits the examination of diseased tissue in vivo. Optical coherence tomography (OCT) has promising potential when applied to coronary artery disease. OCT h
Given that for centuries, the standard tool to understand diseases in tissues was the microscope and that its major limitation was that only excised tissue could be used, recent technology now permits the examination of diseased tissue in vivo. Optical coherence tomography (OCT) has promising potential when applied to coronary artery disease. OCT has the capability to identify coronary plaque and to distinguish between plaques that are stable and unstable. If the plaques are stable then OCT can direct percutaneous intervention (angioplasty or stenting). Optical coherence tomography is a light-based imaging technology that allows for very high resolution imaging in biological tissues. It has been first applied in ophthalmology, where it soon became the golden standard for the assessment of (epi-) retinal processes. The unique imaging capabilities have raised the interest of researchers and clinicians in the field of cardiovascular disease, since OCT offers unique possibilities to study atherosclerosis pathophysiology in vivo. With over 1.1M Americans having a heart attack this year because of unstable plaque rupture, OCT may have an increasingly important role in the early diagnosis of coronary artery disease. This unique publication offers the reader the basic background to OCT and its role in the diagnosis and management of coronary artery disease. The Handbook of Optical Coherence Tomography in Cardiovascular Research introduces the cardiovascular application of this technology. Clinicians, biologists, engineers and physicist are discussing different aspects of cardiovascular OCT application in a multidisciplinary approach. The handbook offers the readership a concise overview on the current state of the art of vascular OCT imaging and sheds light on a variety of exciting new developments. The physics, technical principles of OCT and its application in a broad spectrum of cardiovascular research areas are summarized by highly recognized specialists. The potential of OCT in peripheral and coronary arteries and in developmental cardiology are described. Each research area is introduced by a clinical expert in the field followed by discussion of different aspects from an engineering, biomedical and clinical perspective. Specifically, the current capabilities for plaque characterization, detection of vulnerable plaque, guidance of interventional procedures, Doppler-assessment, and molecular contrast imaging are being described. The Handbook of Optical Coherence Tomography in Cardiovascular Research targets researchers and clinicians involved in the field of atherosclerosis. The summary of basic physics, engineering solutions, pre-clinical and clinical application covers all relevant aspects and will be a valuable reference source.
This issue of Interventional Cardiology Clinics, edited by Matthew J. Price, is devoted to Intravascular Imaging. Dr. Price assembled a group of expert contributors to review the following topics: IVUS for the assessment of coronary lesion severity and optimization of PCI; IVUS for the diagnosis and treatment of left main coronary artery disease; Fundamentals of OCT: image acquisition and interpretation; Technique and Best Practices for Intracoronary OCT; Assessment and quantitation of stent results by intracoronary OCT; PCI planning and optimization with intracoronary OCT; Advances in Automated Assessment of Intracoronary OCT and Their Clinical Application; Diagnosis and evaluation of stent thrombosis using OCT; Acute and long-term evaluation of bioresorbable scaffolds by OCT; Role of OCT in the diagnosis, evaluation, and management of spontaneous coronary artery dissection; and Neointimal Coverage after Drug-Eluting Stent Implantation: Insights from Optical Coherence Tomography.
Need to know about Optical Coherence Tomography (OCT): A Novel, Promising Imaging Modality, for examining Coronary arteries having 10-fold higher resolution than IVUS. In cardiology, OCT is an optical analog of for IVUS examination is replaced intravascular ultrasound (IVUS), used to examine the coronary arteries. Ultrasound employed by near-infrared light with a wavelength of about 1,300 nm, which is absorbed by red blood cells, water, lipids, and protein at relatively low levels. Through a rotating glass fiber-optic system, coherent infrared light can be directed and reflected within the tissue to create a detailed tissue image with extraordinarily high resolution, and IVUS-like cross-sectional tomographic images can be obtained. OCT and IVUS differ in several respects. The resolution of OCT (to 10-20 µm) is about 10-fold higher than that of IVUS (to 100-150 µm), but the maximum depth of tissue penetration is lower with OCT (1-2 mm) than with IVUS (4-8 mm). Another important difference is related to the strong attenuation of light by blood, which originates from two sources: absorption by: · haemoglobin and · scattering by red blood cells. To examine coronary arteries, blood must first be removed during an OCT examination to eliminate massive scattering of light by red blood cells. Thus, an attempt has been made to discuss the role of OTC in Cardiology along with several relevant Tables and Illustrations for better understanding! …Dr. H. K. Saboowala. M.B.(Bom) .M.R.S.H.(London
This atlas is a practical and fully illustrated guide to the use of intravascular OCT in diagnosis and treatment of coronary artery disease. It consists of two parts. The first part of the book provides a systematic introduction to coronary imaging with OCT. It describes how to interpret images and describes abnormal findings seen in atherosclerosis, complications after intervention, and stent assessment. The second part of the book presents real-life case studies that show how OCT is used in clinical practice in Mount Sinai to assess the disease, select appropriate treatment, and evaluate complications and results. Each case includes a brief clinical history, procedure summary, angiography and OCT images, including video material, and a discussion of how OCT affected the clinical decision-making process.
Author : Matthew J. Budoff Publisher : Springer Science & Business Media Page : 763 pages File Size : 38,38 MB Release : 2010-06-16 Category : Medical ISBN : 1848826508
CT is an accurate technique for assessing cardiac structure and function, but advances in computing power and scanning technology have resulted in increased popularity. It is useful in evaluating the myocardium, coronary arteries, pulmonary veins, thoracic aorta, pericardium, and cardiac masses; because of this and the speed at which scans can be performed, CT is even more attractive as a cost-effective and integral part of patient evaluation. This book collates all the current knowledge of cardiac CT and presents it in a clinically relevant and practical format appropriate for both cardiologists and radiologists. The images have been supplied by an experienced set of contributing authors and represent the full spectrum of cardiac CT. As increasing numbers have access to cardiac CT scanners, this book provides all the relevant information on this modality. This is an extensive update of the previous edition bringing the reader up-to-date with the immense amount of updated content in the discipline.
This open access book gives a complete and comprehensive introduction to the fields of medical imaging systems, as designed for a broad range of applications. The authors of the book first explain the foundations of system theory and image processing, before highlighting several modalities in a dedicated chapter. The initial focus is on modalities that are closely related to traditional camera systems such as endoscopy and microscopy. This is followed by more complex image formation processes: magnetic resonance imaging, X-ray projection imaging, computed tomography, X-ray phase-contrast imaging, nuclear imaging, ultrasound, and optical coherence tomography.