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The role of PET quantification in cardiovascular imaging
2014
Clinical and translational imaging
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Quantitative clinical software tools for computing myocardial blood flow from kinetic PET data in an automated and rapid fashion have been developed for use with several radiotracers: 13 N-ammonia, 15 ...
PET quantification can be enhanced by precise coregistration with CT angiography. ...
based on comparisons of the relative stress-rest perfusion difference [44] . ...
doi:10.1007/s40336-014-0070-2
pmid:26247005
pmcid:PMC4523308
fatcat:ie7vpe4oljbnlcpqc77tobqvoy
SNR improvement in GRE-EPI first-pass myocardial perfusion images with non-rigid body registration and KLT filtering
2009
Journal of Cardiovascular Magnetic Resonance
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(DT) as defined by the percentage of transmurality in each scar. ...
The use of ICDs in this large patient population is still limited by high costs and possible adverse events including inappropriate discharges and progression of heart failure. ...
Acknowledgements his work was supported in part by grants from the national institute of heart, lung and blood R01HL072704 and R01HL61912, and Donald W. Reynolds Foundation grant. ...
doi:10.1186/1532-429x-11-s1-p77
fatcat:ylrgf53wd5fordqhfdmuydlrjy
Co-registration of CTA coronary artery/vein maps and MR myocardial viability/scar maps for optimized revascularization or resynchronization therapy planning
2009
Journal of Cardiovascular Magnetic Resonance
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(DT) as defined by the percentage of transmurality in each scar. ...
The use of ICDs in this large patient population is still limited by high costs and possible adverse events including inappropriate discharges and progression of heart failure. ...
Acknowledgements his work was supported in part by grants from the national institute of heart, lung and blood R01HL072704 and R01HL61912, and Donald W. Reynolds Foundation grant. ...
doi:10.1186/1532-429x-11-s1-p193
fatcat:pg7jna2nwbaijmyy3sf5pbc3um
Cardiac CT perfusion and FFRCTA: pathophysiological features in ischemic heart disease
2020
Cardiovascular Diagnosis and Therapy
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In the present review, starting from the pathophysiology of myocardial ischemia, we evaluate the existing evidence for functional CCT imaging and its value in relation to alternative, well-established, ...
Cardiac computed tomography (CCT) has rapidly evolved, becoming a powerful integrated tool for the evaluation of coronary artery disease (CAD), and being superior to other noninvasive methods due to its ...
Thus, the main conclusion about FFR CTA feasibility is that it is strongly affected by image artifacts such as coronary motion or misalignment artifacts, transmission and registration errors, and finally ...
doi:10.21037/cdt-20-414
pmid:33381437
pmcid:PMC7758766
fatcat:utkmzpsd2ncwhip7qeef2kmhvu
Patient-centered imaging
2012
Journal of Nuclear Cardiology
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DePuey et al Journal of Nuclear Cardiology Patient-centered imaging ...
Planar Imaging as an Alternative to SPECT • Very occasionally imaging is required for patients too large or too heavy to be accommodated by a SPECT camera, for those unable to lie still for the required ...
For the same reasons, LV cavity size may appear smaller at rest, giving the false impression of transient ischemic dilatation. Alignment of images may be problematic. ...
doi:10.1007/s12350-012-9523-z
pmid:22328324
fatcat:hhcmvgvoazem3mldqrvlp4rr4m
Single photon emission computed tomography (SPECT) perfusion imaging for detection of subendocardial extent of myocardial infarction compared with contrast-enhanced magnetic resonance
2005
Journal of Nuclear Cardiology
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We compared the delayed hyperenhancement cardiac resonance (DE-CR) with the visual quantification of the SPECT perfusion myocardial imaging (PMI) for the assessment of subendocardial myocardial infarction ...
A dynamic mathematical cardiac-torso phantom was designed to simulate circular orbit pinhole gated myocardial perfusion SPECT projections of a rat heart. ...
Conclusion: The new automated method CAFU showed to be a promising tool for quantification of LV EF, EDV and ESV.
10.45 Relationship of transient ischemic dilation in dipyridamole myocardial perfusion ...
doi:10.1016/j.nuclcard.2004.12.127
fatcat:xqfawglzjzh65n4fhwx5kfs2ji
11th International Conference of Non-Invasive Cardiovascular Imaging
2013
Journal of Nuclear Cardiology
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Acknowledgements The Programme Committee for the International Conference of Non-Invasive Cardiovascular Imaging gratefully acknowledges the assistance of the following individuals who served as Abstract ...
End-systolic volume (ESV) at stress divided by ESV at rest was calculated as a parameter of transient ischemic dilatation (TID) ratio in all patients. ...
Processing steps include determining of myocardial axes and boundaries, masking of the myocardium and manual SPECT/CT co-registration for attenuation correction. ...
doi:10.1007/s12350-013-9685-3
pmid:23640475
fatcat:5cpg2zftcfhnlcfope6cbmtm3m
Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging Guidelines: Instrumentation, Acquisition, Processing, and Interpretation
2018
Journal of Nuclear Cardiology
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[96] [97] [98] Transient ischemic dilatation on SPECT MPI, imaged about 30 minutes after completion of stress testing, is more likely to represent apparent dilatation of the ventricle from diffuse subendocardial ...
An increased stress-to-rest LV cavity ratio, transient ischemic dilation (TID), also referred to as transient cavity dilatation (TCD), has been described as a marker for high-risk coronary disease. ...
doi:10.1007/s12350-018-1283-y
pmid:29802599
fatcat:tn6gmv6j3vdzhl2dhs22mxqhc4
Cardiac imaging: working towards fully-automated machine analysis & interpretation
2017
Expert Review of Medical Devices
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Expert commentary-Fully-automated processing and high-level computer interpretation of cardiac imaging are becoming a reality. ...
However, with each technological advance, we move further from human dependence and closer to fully-automated machine interpretation. ...
These include ejection fraction, diastolic/systolic volumes, motion thickening, transient ischemic dilation, myocardial mass, dyssynchrony parameters and myocardial blood flow. ...
doi:10.1080/17434440.2017.1300057
pmid:28277804
pmcid:PMC5450918
fatcat:u2sta7rplbcd5nj54ao2nhgliu
Prevention of cardiovascular disasters at operators of control panels of nuclear power plants
2020
Zenodo
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Collection of abstracts of scientific works of the participants of the international scientific-practical conference "Medical science and practice in the conditions of modern transformation processes" ...
., Shevchenko, V.V. (2020) Prevention of cardiovascular disasters at operators of control panels of nuclear power plants. ...
Transient ischaemic dilation of the left ventricle. ...
doi:10.5281/zenodo.3830401
fatcat:pe74tgjevbcpdo7p26ygt3hvgq
A Review of JACC Journal Articles on the Topic of Cardiac Imaging: 2011–2012
2013
Journal of the American College of Cardiology
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Rest and stress myocardial blood flow were calculated using factor analysis and a 2-compartment kinetic model; they were also used to compute coronary flow reserve (stress/rest myocardial blood flow). ...
Selective identification and extraction of delayed-enhanced cardiac magnetic resonance defined scar followed by registration into a real-time mapping system are feasible and help to identify and display ...
doi:10.1016/j.jacc.2013.08.002
fatcat:rr77fpox5vgb7jcgervp4orbja
Journey in Evolution of Nuclear Cardiology
2012
JACC Cardiovascular Imaging
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The field of nuclear cardiac imaging has evolved from being rather subjective, more "art than a science," to a more objective, digital-based quantitative technique, providing insight into the physiological ...
In a mere 4 decades of its clinical use, the technology used to image myocardial perfusion has made quantum leaps from planar to single-photon emission computed tomography (SPECT) and now to a more contemporary ...
Such user-friendly and robust SPECT software has played a critical role in the enhanced acceptance of stress-rest nuclear myocardial perfusion studies by the cardiology community worldwide. ...
doi:10.1016/j.jcmg.2012.10.006
pmid:23236979
fatcat:nmcoqqa2jrebriid4nefxvk6dy
Diagnostic Testing
2007
Journal of the American College of Cardiology
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Methods: A total of 230 consecutive subjects had a CAC score determined (Agaston scoring system) using a 16-slice multi-detector CT, followed by a dipyridamole stress MPI with RbPET. ...
Prior studies of the relationship of CAC to ischemic burden based on SPECT myocardial perfusion imaging (MPI) have shown conflicting results. ...
Grades of LAA SEC (none, mild, moderate, severe) or thrombus by TEE were determined in a blinded manner. Results: Mean LAA/AA ratios by grades of SEC are shown in Figure 1 . ...
doi:10.1016/j.jacc.2007.01.038
fatcat:4awusqxpqvhsxjy3mvtt266yjq
Full Issue PDF
2020
JACC Cardiovascular Imaging
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BACKGROUND US-induced cavitation of microbubble contrast agents augments tissue perfusion by convective shear and secondary purinergic signaling that mediates release of endogenous vasodilators. ...
For higher line densities, blood flow consistently increased by 3-fold to 4-fold in the US-exposed limb irrespective of pulse duration. ...
(95%CI 0.69-0.96)
Exercise stress/rest
native T 1 mapping
AUC=0.80
(95%CI 0.62-0.93)
EDITORIAL COMMENT
Fully Automated, Quality-Controlled Cardiac Function From Cine CMR CENTRAL ILLUSTRATION ...
doi:10.1016/s1936-878x(20)30146-7
fatcat:4lngerhk4ngkfpdi6ddinbl4te
Altered right ventricular papillary muscle position and orientation in patients with dilated left ventricles
2009
Journal of Cardiovascular Magnetic Resonance
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(DT) as defined by the percentage of transmurality in each scar. ...
The use of ICDs in this large patient population is still limited by high costs and possible adverse events including inappropriate discharges and progression of heart failure. ...
Acknowledgements his work was supported in part by grants from the national institute of heart, lung and blood R01HL072704 and R01HL61912, and Donald W. Reynolds Foundation grant. ...
doi:10.1186/1532-429x-11-s1-p71
fatcat:ubdliirljndxrf4z7hrt4z6ahe
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