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The role of PET quantification in cardiovascular imaging

Piotr Slomka, Daniel S. Berman, Erick Alexanderson, Guido Germano
2014 Clinical and translational imaging  
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

Georgeta Mihai, Yu Ding, Hui Xue, Yiucho Chung, Jens Guehring, Orlando P Simonetti
2009 Journal of Cardiovascular Magnetic Resonance  
(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

Thomas P O'Donnell, Engin Dikici, Teresa Swenson, Jean Shaffer, Richard D White
2009 Journal of Cardiovascular Magnetic Resonance  
(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

Sara Seitun, Alberto Clemente, Cecilia De Lorenzi, Stefano Benenati, Dante Chiappino, Cesare Mantini, Antonis I. Sakellarios, Filippo Cademartiri, Gian Paolo Bezante, Italo Porto
2020 Cardiovascular Diagnosis and Therapy  
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

E. Gordon DePuey, John J. Mahmarian, Todd D. Miller, Andrew J. Einstein, Christopher L. Hansen, Thomas A. Holly, Edward J. Miller, Donna M. Polk, L. Samuel Wann
2012 Journal of Nuclear Cardiology  
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

O MASOLI, M REDRUELLO, F OGRESTA, C COLLAUD, P KOSLOWSKI, N BALINO, M ELETA, P ARCE, L VIDAL
2005 Journal of Nuclear Cardiology  
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  
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

Sharmila Dorbala, Karthik Ananthasubramaniam, Ian S. Armstrong, Panithaya Chareonthaitawee, E. Gordon DePuey, Andrew J. Einstein, Robert J. Gropler, Thomas A. Holly, John J. Mahmarian, Mi-Ae Park, Donna M. Polk, Raymond Russell (+3 others)
2018 Journal of Nuclear Cardiology  
[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

Piotr J Slomka, Damini Dey, Arkadiusz Sitek, Manish Motwani, Daniel S Berman, Guido Germano
2017 Expert Review of Medical Devices  
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

Marina M. Mishchenko, Alexander S. Shevchenko, Alexander N. Mishchenko, Valentina V. Shevchenko
2020 Zenodo  
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  
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

Vasken Dilsizian, Raymond Taillefer
2012 JACC Cardiovascular Imaging  
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  
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  
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

Erin M Spinner, Kartik Sundareswaran, Lakshimi Dasi, Vinod H Thourani, John Oshinski, Ajit P Yoganathan
2009 Journal of Cardiovascular Magnetic Resonance  
(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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