Advances in coronary angiography:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Philadelphia, Pa.
W. B. Saunders Co.
c2009
|
| Schriftenreihe: | Cardiology clinics
27,3 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | xiv p., p. [373]-553 ill. (some col.) 26 cm |
| ISBN: | 9781437711974 1437711979 |
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| 245 | 1 | 0 | |a Advances in coronary angiography |c guest editors S. James Chen, John D. Carroll |
| 264 | 1 | |a Philadelphia, Pa. |b W. B. Saunders Co. |c c2009 | |
| 300 | |a xiv p., p. [373]-553 |b ill. (some col.) |c 26 cm | ||
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| 490 | 1 | |a Cardiology clinics |v 27,3 | |
| 650 | 4 | |a Coronary Angiography / methods | |
| 650 | 4 | |a Coronary Angiography / instrumentation | |
| 650 | 4 | |a Angiography | |
| 650 | 4 | |a Coronary heart disease | |
| 650 | 4 | |a Angiocardiography | |
| 650 | 4 | |a Heart / Tomography | |
| 650 | 4 | |a Angiocardiography | |
| 650 | 4 | |a Angiography | |
| 650 | 4 | |a Coronary Angiography |x instrumentation | |
| 650 | 4 | |a Coronary Angiography |x methods | |
| 650 | 4 | |a Coronary heart disease | |
| 650 | 4 | |a Heart |x Tomography | |
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Datensatz im Suchindex
| _version_ | 1804140769890533376 |
|---|---|
| adam_text | Titel: Advances in coronary angiography
Autor: Chen, S. James
Jahr: 2009
Advances in Coronary Angiography
Contents
Foreword xi
Michael H. Crawford
Preface xiii
S. James Chen and John D. Carroll
Coronary Angiography: The Need for Improvement and the Barriers to Adoption
of New Technology 373
John D. Carroll, Eugenia P. Carroll, and S. James Chen
Traditional coronary angiography presents a variety of limitations related to image
acquisition, content, interpretation, and patient safety. These limitations were first
apparent with coronary angiography used as a diagnostic tool and have been further
magnified in today s world of percutaneous coronary intervention (PCI), with the fre¬
quent use of implantable coronary stents. Improvements are needed to overcome
the limitations in using current two-dimensional radiographic imaging for optimizing
patient selection, quantifying vessel features, guiding PCI, and assessing PCI re¬
sults. Barriers to such improvements include the paucity of clinical outcomes studies
related to new imaging technology, the resistance to changing long-standing prac¬
tices, the need for physician and staff member training, and the costs associated
with acquiring and effectively using these advances in coronary angiography.
Acquiring Images in Coronary Angiography
Flat Detectors and New Aspects of Radiation Safety 385
John C. Gurley
Flat detectors are the heart of high-performance imaging systems that provide new
capabilities as well as new hazards. The superior image quality enables operators to
work with heavier patients and steeper projections. Under these conditions, expo¬
sure control computers automatically increase the production of x-rays to compen¬
sate for absorption by body tissues. Image quality is preserved, and operators may
not be aware of the very high skin doses delivered during prolonged procedures.
Although it is assumed that flat detector systems are safe, the potential for radiation
overexposure and skin injury is real. This article examines the unique radiation haz¬
ards of flat detector fluoroscopy and suggests practical steps that clinicians can
take to protect themselves and their patients from radiation injury.
Rotational Coronary Angiography 395
Andrew J. P. Klein and Joel A. Garcia
The numerous well-documented limitations of standard fixed-acquisition coronary
angiography led to the development of rotational angiography. This acquisition
method uses automated gantry movements while numerous angiographic projec¬
tions are obtained, and thus overcomes many of the limitations of standard angiog¬
raphy. This article highlights the techniques, advantages, and disadvantages of each
type of rotational angiography currently commercially available. Also included is
a discussion of the evolution of rotational angiography, from its initial conception
and pilot studies to its latest step forward on the developmental road towards en¬
hanced coronary imaging.
Contents
Advances in Contrast Media and Contrast Injectors 407
John C. Messengerand Ivan P. Casserly
This article reviews the currently available contrast media used for imaging during cor¬
onary angiography and percutaneous intervention. Recent data regarding potential ad¬
verse effects of contrast media and strategies to minimize adverse events are
discussed. In addition, the authors review the state of the art in automated contrast in¬
jection for coronary angiography, including protocols used for performance of rotational
coronary angiography and digital subtraction imaging in the catheterization laboratory.
Technique and Catheters 417
Ivan P. Casserly and John C. Messenger
This article reviews the current technique of coronary angiography, focusing on
the choice of arterial access site; navigation from the arterial access site to the
ascending thoracic aorta; cannulation of the native coronary arteries in their nor¬
mal, variant, and anomalous locations; and cannulation of saphenous vein and ar¬
terial graft conduits. The authors conclude that, although no didactic training can
substitute for the hands-on apprenticeship obtained during general cardiology
and interventional cardiology fellowships, the intellectual elements fundamental
to coronary angiography outlined here will result in a more efficient, effective,
and safe procedure for patients.
Processing of Digital Coronary Images
Three-Dimensional Coronary Visualization, Part 1: Modeling 433
S. James Chen and Dirk Schafer
Three-dimensional (3D) modeling techniques have been developed for clinical use to
minimize the imaging limitations of two-dimensional (2D) angiography. The 3D
models of the coronary arterial tree not only accurately display the complexities of
coronary anatomy but also enable quantification of vessel curvature, measurement
of vessel segment length, and identification of the amount of radiographic foreshort¬
ening and vessel overlap in any simulated angiographic projection. This article
describes the process and applications associated with producing a 3D model of
the coronary arterial tree using only a few standard 2D projection images from a rou¬
tine coronary angiographic study.
Three-Dimensional Coronary Visualization, Part 2: 3D Reconstruction 453
Gert Schoonenberg, Anne Neubauer, and Michael Grass
Fully automatic generation of a volumetric representation of the coronary artery tree
can be achieved by rotational coronary angiography acquisition and three-dimen¬
sional tomographic reconstruction. The generated volume datasets can assist the
physician during percutaneous coronary interventions by visualizing three-dimen¬
sional coronary morphology and offering utility tools to derive various quantitative
measurements. These utility tools allow lesion assessment, optimal working-view
selection for specific vessel segments, and improved guidance via overlay function¬
ality or follow G-arc. This article gives an overview of reconstruction methods, clin¬
ical tools, and present clinical data.
Enhanced X-Ray Visualization of Coronary Stents: Clinical Aspects 467
R. Kevin Rogers and Andrew D. Michaels
Coronary stent under expansion is a major contributor to in-stent restenosis and
acute stent thrombosis. StentBoost and IC Stent are advanced x-ray image
Contents
enhancing techniques that provide improved stent visualization by eliminating
motion artifact. These techniques can be useful in the detection of inadequate stent
expansion. These motion-corrected x-ray stent (MXS) visualization techniques are
more time-efficient compared to intravascular ultrasound (IVUS), require less
training of catheterization laboratory personnel, and have lower procedural costs.
However, little clinical or outcome data evidence exist for MXS. Though IVUS re¬
mains the gold standard for evaluation of the adequacy of stent expansion, MXS
may be a viable adjunctive imaging tool in certain clinical scenarios.
Advanced Visibility Enhancement for Stents and Other Devices: Image Processing Aspects 477
Gert Schoonenberg and Raoul Florent
In non-contrast-enhanced x-ray sequences, the image quality of stents can be en¬
hanced by motion compensating and integrating images of exposure sequences.
Three-dimensional stent reconstruction has been developed to allow enhanced
stent visualization and assessment in three dimensions. This article gives an over¬
view of the different methods used for enhanced stent visualization, describes stud¬
ies that have evaluated these methods, and summarizes results of these methods on
other cardiac and non-cardiac devices.
Quantification, Multimodality Integration, and Other Futuristic Aspects of Coronary
Angiography
Two and Three-Dimensional Quantitative Coronary Angiography 491
loannis Pantos, Efstathios P. Efstathopoulos, and Demosthenes G. Katritsis
Following the development of the first automated methods in the 1980s, quantitative
coronary angiography (QCA) has undergone substantial evolution from simplistic
computer-assisted methods of visual interpretation of coronary angiograms to re¬
cently introduced three-dimensional reconstruction and quantitative analysis algo¬
rithms. The ability of QCA to provide objective dimensional assessment of
coronary lesions is still useful and has led to its widespread application in both sci¬
entific research and clinical practice. Most of the systems available nowadays are
based on vessel edge detection algorithms to designate the arterial lumen on con¬
ventional two-dimensional coronary angiograms. Three generations of these sys¬
tems have been developed with improved accuracy and precision of obtained
measurements. Techniques for reconstruction of the two-dimensional coronary an-
giogram in space have allowed the implementation of three-dimensional QCA. This
new technology may solve many of the limitations inherent in two-dimensional QCA
and provide stenosis assessment capabilities not available with two-dimensional
imaging.
Computer Assistance for Solving Imaging Problems 503
Joel A. Garcia and Babak Movassaghi
Medical imaging has moved into an era of digital files and processing of images to
yield three-dimensional models and reconstructions. This development has opened
up opportunities to apply computer techniques in traditional imaging tasks. Two of
the most common imaging tasks are those to correct the two-dimensional projection
problems of foreshortening of lesions and of vessel overlap. This article explores the
use of computers to assist in these tasks, to create databases for guiding decision
making, to provide graphics to assist the physician, and to simulate cardiovascular
procedures.
Contents i
Coronary Computed Tomographic Angiography in the Cardiac Catheterization Laboratory:
Current Applications and Future Developments 513
OnnoWink, Harvey S. Hecht, and Daniel Ruijters
The last few years have seen a marked increase in the number of cardiac CT scans
performed, regardless of reimbursement issues and concerns about radiation dose.
New-generation multidetector CT (MDCT) scanners with wide craniocaudal
coverage (256 slices and beyond) have the potential to further improve diagnostic
capability compared with that of the existing generation of MDCT scanners. New
dose-reduction technologies are now available on these scanners, enabling high-
quality coronary imaging with a significant reduction in radiation dose. This article
addresses some of these advances and discusses how cardiac CT and its derived
information can be used in the preparation and execution of catheter coronary
angiography and percutaneous coronary interventions.
Intravascular Ultrasound Registration /Integration with Coronary Angiography 531
Nico Bruining, Sebastiaan de Winter, and PatrickW. Serruys
To exploit fully the imaging data derived from both angiography and intravascular
ultrasound (IVUS), combined visualization is needed. Although this visualization
has been available in the research environment for the last decade or so, clinical
implementation is still pending. Recent improvements in computer hardware and
software (algorithms), improved angiography and IVUS technologies, and a total dig¬
ital imaging workflow could bring integrated IVUS/angiography imaging into the ;
catheter laboratory in the near future. j
The Future Cardiac Catheterization Laboratory 541
S. James Chen, Adam R. Hansgen, and John D. Carroll
This article describes the major components in the future cardiac catheterization
laboratory to facilitate cardiac interventions for both coronary artery and structural
heart diseases.
Index 549
|
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| spelling | Advances in coronary angiography guest editors S. James Chen, John D. Carroll Philadelphia, Pa. W. B. Saunders Co. c2009 xiv p., p. [373]-553 ill. (some col.) 26 cm txt rdacontent n rdamedia nc rdacarrier Cardiology clinics 27,3 Coronary Angiography / methods Coronary Angiography / instrumentation Angiography Coronary heart disease Angiocardiography Heart / Tomography Coronary Angiography instrumentation Coronary Angiography methods Heart Tomography Chen, S. James Sonstige oth Cardiology clinics 27,3 (DE-604)BV000008602 27,3 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=018674945&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Advances in coronary angiography Cardiology clinics Coronary Angiography / methods Coronary Angiography / instrumentation Angiography Coronary heart disease Angiocardiography Heart / Tomography Coronary Angiography instrumentation Coronary Angiography methods Heart Tomography |
| title | Advances in coronary angiography |
| title_auth | Advances in coronary angiography |
| title_exact_search | Advances in coronary angiography |
| title_full | Advances in coronary angiography guest editors S. James Chen, John D. Carroll |
| title_fullStr | Advances in coronary angiography guest editors S. James Chen, John D. Carroll |
| title_full_unstemmed | Advances in coronary angiography guest editors S. James Chen, John D. Carroll |
| title_short | Advances in coronary angiography |
| title_sort | advances in coronary angiography |
| topic | Coronary Angiography / methods Coronary Angiography / instrumentation Angiography Coronary heart disease Angiocardiography Heart / Tomography Coronary Angiography instrumentation Coronary Angiography methods Heart Tomography |
| topic_facet | Coronary Angiography / methods Coronary Angiography / instrumentation Angiography Coronary heart disease Angiocardiography Heart / Tomography Coronary Angiography instrumentation Coronary Angiography methods Heart Tomography |
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