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Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology

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https://www.readbyqxmd.com/read/28233192/analysis-of-partial-volume-correction-on-quantification-and-regional-heterogeneity-in-cardiac-pet
#1
A Turco, J Nuyts, J Duchenne, O Gheysens, J U Voigt, P Claus, K Vunckx
BACKGROUND: The partial volume correction (PVC) of cardiac PET datasets using anatomical side information during reconstruction is appealing but not straightforward. Other techniques, which do not make use of additional anatomical information, could be equally effective in improving the reconstructed myocardial activity. METHODS: Resolution modeling in combination with different noise suppressing priors was evaluated as a means to perform PVC. Anatomical priors based on a high-resolution CT are compared to non-anatomical, edge-preserving priors (relative difference and total variation prior)...
February 23, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28229361/moving-towards-a-better-understanding-of-potential-pitfalls-in-quantitative-pet-myocardial-blood-flow
#2
EDITORIAL
Paul C Cremer, Frank P DiFilippo, Wael A Jaber
No abstract text is available yet for this article.
February 22, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28224451/pet-cta-detection-of-muscle-inflammation-related-to-cholesterol-crystal-emboli-without-arterial-obstruction
#3
M Hassan Pervaiz, Sridevi Durga, Abed Janoudi, Kevin Berger, George S Abela
BACKGROUND: PET/CTA was used to evaluate the effect of cholesterol crystal emboli (CCE) on muscle injury. Cholesterol crystals (CCs) released during plaque rupture travel downstream and lodge in muscle triggering inflammation and tissue injury. METHODS: Thigh muscles in three groups of rabbits (n = 22) were studied after intra-arterial injection of CCs, Group I (n = 10); polystyrene microspheres, Group II (n = 5); or normal saline, Group III (n = 7). After 48 hours, muscle inflammation and injury were measured by fluorodeoxy-glucose uptake using PET/CTA, serum tissue factor (TF), and creatinine phosphokinase (CPK)...
February 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28224450/artificial-neural-network-based-model-enhances-risk-stratification-and-reduces-non-invasive-cardiac-stress-imaging-compared-to-diamond-forrester-and-morise-risk-assessment-models-a-prospective-study
#4
Hussain A Isma'eel, George E Sakr, Mustapha Serhan, Nader Lamaa, Ayman Hakim, Paul C Cremer, Wael A Jaber, Torkom Garabedian, Imad Elhajj, Antoine B Abchee
BACKGROUND: Coronary artery disease (CAD) accounts for more than half of all cardiovascular events. Stress testing remains the cornerstone for non-invasive assessment of patients with possible or known CAD. Clinical utilization reviews show that most patients presenting for evaluation of stable CAD by stress testing are categorized as low risk prior to the test. Attempts to enhance risk stratification of individuals who are sent for stress testing seem to be more in need today. The present study compares artificial neural networks (ANN)-based prediction models to the other risk models being used in practice (the Diamond-Forrester and the Morise models)...
February 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28224449/the-exerrt-trial-exercise-to-regadenoson-in-recovery-trial-a-phase-3b-open-label-parallel-group-randomized-multicenter-study-to-assess-regadenoson-administration-following-an-inadequate-exercise-stress-test-as-compared-to-regadenoson-without-exercise-for-myocardial
#5
Gregory S Thomas, S James Cullom, Therese M Kitt, Kathleen M Feaheny, Karthikeyan Ananthasubramaniam, Robert J Gropler, Diwakar Jain, Randall C Thompson
BACKGROUND: This study assessed the non-inferiority and safety of regadenoson administration during recovery from inadequate exercise compared with administration without exercise. METHODS: Patients unable to achieve adequate exercise stress were randomized to regadenoson 0.4 mg either during recovery (Ex-Reg) or 1 hour after inadequate exercise (Regadenoson) (MPI1). All patients also underwent non-exercise regadenoson MPI 1-14 days later (MPI2). The number of segments with reversible perfusion defects (RPDs) detected using single photon emission computerized tomography imaging was categorized...
February 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28224448/comparison-of-esc-and-acc-aha-guidelines-for-myocardial-revascularization
#6
Jim Stirrup, Alejandro Velasco, Fadi G Hage, Eliana Reyes
In 2014, the Task Force on Myocardial Revascularization of the European Society of Cardiology and the European Association for Cardio-Thoracic Surgery with the special contribution of the European Association of Percutaneous Cardiovascular Interventions published a comprehensive set of recommendations on myocardial revascularization in patients presenting with acute or chronic coronary artery disease. In the United States, pertinent guidance on this topic has been published by the American College of Cardiology, American Heart Association and other relevant societies in multiple guideline documents that have been published in recent years...
February 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28211010/getting-it-right-the-first-time-stress-only-mpi-in-the-er
#7
EDITORIAL
David G Wolinsky
No abstract text is available yet for this article.
February 16, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28205074/coronary-artery-calcium-scanning-in-symptomatic-patients-ready-for-use-as-a-gatekeeper-for-further-testing
#8
EDITORIAL
Alan Rozanski, Daniel S Berman
No abstract text is available yet for this article.
February 15, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28205073/multi-modality-imaging-bird-s-eye-view-from-the-2016-american-heart-association-scientific-sessions
#9
Wael A AlJaroudi, Steven G Lloyd, Farooq A Chaudhry, Fadi G Hage
This review summarizes key imaging studies that were presented in the American Heart Association Scientific Sessions 2016 related to the fields of nuclear cardiology, cardiac computed tomography, cardiac magnetic resonance, and echocardiography. This bird's eye view will inform readers about multiple studies from these different modalities. We hope that this general overview will be useful for those that did not attend the conference as well as to those that did since it is often difficult to get exposure to many abstracts at large meetings...
February 15, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28205072/negative-predictive-value-of-stress-myocardial-perfusion-imaging-and-coronary-computed-tomography-angiography-a-meta-analysis
#10
Roberta Green, Valeria Cantoni, Mario Petretta, Wanda Acampa, Mariarosaria Panico, Pietro Buongiorno, Giorgio Punzo, Marco Salvatore, Alberto Cuocolo
BACKGROUND: Comparing the prognostic value of a negative finding by stress single-photon emission computed tomography myocardial perfusion imaging (MPI) and coronary computed tomography angiography (CCTA) may be useful to evaluate how better identify low-risk patients. We performed a meta-analysis to compare the long-term negative predictive value (NPV) of normal stress MPI and normal CCTA in subjects with suspected coronary artery disease (CAD). METHODS AND RESULTS: Studies published between January 2000 and November 2016 were identified by database search...
February 15, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28205071/what-is-this-image-2017-image%C3%A2-5-result
#11
Fabien Hyafil, Lorenzo Garzelli, Aziza Touati
No abstract text is available yet for this article.
February 15, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28194728/diagnostic-performance-of-the-quantification-of-myocardium-at-risk-from-mpi-spect-cta-2g-fusion-for-detecting-obstructive-coronary-disease-a-multicenter-trial
#12
Marina Piccinelli, Cesar Santana, Gopi Kiran R Sirineni, Russell D Folks, C David Cooke, Chesnal D Arepalli, Santiago Aguade-Bruix, Zohar Keidar, Alex Frenkel, Ora Israel, Jaume Candell-Riera, Ernest V Garcia
BACKGROUND: The effective non-invasive identification of coronary artery disease (CAD) and its proper referral for invasive treatment are still unresolved issues. We evaluated our quantification of myocardium at risk (MAR) from our second generation 3D MPI/CTA fusion framework for the detection and localization of obstructive coronary disease. METHODS: Studies from 48 patients who had rest/stress MPI, CTA, and ICA were analyzed from 3 different institutions. From the CTA, a 3D biventricular surface of the myocardium with superimposed coronaries was extracted and fused to the perfusion distribution...
February 13, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28194727/review-of-cardiovascular-imaging-in-the-journal-of-nuclear-cardiology-in-2016-part-1-of-2-positron-emission-tomography-computed-tomography-and-magnetic-resonance
#13
Wael AlJaroudi, Fadi G Hage
Several original articles and editorials have been published in the Journal of Nuclear Cardiology last year. It has become a tradition at the beginning of each year to summarize some of these key articles (AlJaroudi and Hage in J Nucl Cardiol 22:507-512, 2015, 23:122-130, 2016; Hage and AlJaroudi in J Nucl Cardiol 22:714-719, 2015; 23:493-498, 2016). In this part one, we will discuss some of the progress made in patients with infiltrative disease, cardiomyopathies (non-ischemic, ischemic, and diabetic), hybrid and molecular imaging, using advancement in positron emission tomography, computed tomography, and magnetic resonance imaging...
February 13, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28194726/validation-of-cadmium-zinc-telluride-camera-for-measurement-of-left-ventricular-systolic-performance
#14
Elisabeth Coupez, Merlin Charles, Viateur Tuyisenge, Laurent Sarry, Bruno Pereira, Jean René Lusson, Louis Boyer, Lucie Cassagnes
BACKGROUND: There are paucity of data comparing measurements of left ventricular systolic performance using cadmium-zinc-telluride (CZT) semiconductor cameras with other imaging modalities. This study compared the new system with echocardiography (echo) and cardiac magnetic resonance (CMR) imaging. METHODS: 60 Patients presenting with ST-elevated myocardial infarction (MI) were included. Each patient underwent echo, myocardial perfusion imaging using Spectrum Dynamics D-SPECT(r) (CZT-SPECT), and CMR 6 weeks after MI...
February 13, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28188444/under-the-hood-of-the-stunned-takotsubo-heart
#15
EDITORIAL
Pradeep Bhambhvani
No abstract text is available yet for this article.
February 10, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28188443/management-of-salmonella-typhimurium-sepsis-with-thoracic-infectious-aortitis-using-18-f-fdg-pet-ct
#16
Blandine Guffroy, Laure Villeval-Federici, Céline Heimburger, Cyrille Blondet
No abstract text is available yet for this article.
February 10, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28185234/multimodality-molecular-imaging-in-cardiac-regenerative-therapy
#17
Davis Vo, Patricia K Nguyen
Stem cell therapy holds great promise for the repair and regeneration of damaged myocardium. Disappointing results from recent large-scale randomized trials using adult stem cells, however, have led some to question the efficacy of this new therapeutic. Because most clinical stem cell trials have not incorporated molecular imaging to track cell fate, it may be premature to abandon this approach. Herein, we will review how multimodality imaging can be incorporated into cardiac regenerative therapy to facilitate the translation of stem cell therapy...
February 9, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28185233/sympathetic-drive-stimulating-diastolic-dysfunction
#18
EDITORIAL
Saad S Ahmad, Myron C Gerson
Diastolic heart failure accounts for half of the heart failure population and its pathophysiology remains an area of active research. The renin angiotensin and aldosterone axis has been the focus of clinical trials to treat patients with heart failure with preserved ejection fraction, however with limited yield in terms of clinical success. Sympathetic activity has been considered a plausible cause for the molecular changes that lead to diastolic dysfunction. Based on this understanding the study by Gimelli et al uses MIBG to evaluate for association between diastolic dysfunction and sympathetic denervation...
February 9, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28185231/erratum-to-image-fusion-between-18f-fdg-pet-and-mri-in-cardiac-sarcoidosis-a-case-series
#19
Shahin Zandieh, Reinhard Bernt, Siroos Mirzaei, Joerg Haller, Klaus Hergan, Christian Pirich
No abstract text is available yet for this article.
February 9, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28181156/the-significance-of-post-stress-decrease-in-left-ventricular-ejection-fraction-in-patients-undergoing-regadenoson-stress-gated-spect-myocardial-perfusion-imaging
#20
Javier Gomez, Yasmeen Golzar, Ibtihaj Fughhi, Adebayo Olusanya, Rami Doukky
BACKGROUND: The significance of post-stress decrease in left ventricular ejection fraction (LVEF) with regadenoson stress gated SPECT (GSPECT) myocardial perfusion imaging (MPI) has not been studied. METHODS AND RESULTS: Consecutive patients who underwent rest/regadenoson stress GSPECT-MPI followed by coronary angiography within 6 months were analyzed. Change in LVEF by GSPECT-MPI was calculated as stress LVEF minus rest LVEF; a significant decrease was tested at 5% and 10% thresholds...
February 8, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
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