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Nuclear Cardiology

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https://www.readbyqxmd.com/read/29748874/correction-to-acc-aats-aha-ase-asnc-scai-scct-sts-2017-appropriate-use-criteria-for-coronary-revascularization-in-patients-with-stable-ischemic-heart-disease
#1
Manesh R Patel, John H Calhoon, Gregory J Dehmer, James Aaron Grantham, Thomas M Maddox, David J Maron, Peter K Smith
To more clearly reflect the relationship between iFR (instantaneous wave-free ratio) and FFR (fractional flow reserve), this Correction document highlights the following changes to the original document published in the Journal of Nuclear Cardiology; the version available at JACC [1] has been updated to reflect the changes, with JACC's Correction document available at [2].
May 10, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29724803/pharmacology-part-2-introduction-to-pharmacokinetics
#2
Geoffrey M Currie
Pharmacology principles provide key understanding that underpins the clinical and research roles of nuclear medicine practitioners. This article is the second in a series of articles that aims to enhance the understanding of pharmacological principles relevant to nuclear medicine. This article will build on the introductory concepts, terminology and principles of pharmacodynamics explored in the first article in the series. Specifically, this article will focus on the basic principles associated with pharmacokinetics...
May 3, 2018: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/29703741/hyperpolarised-magnetic-resonance-for-in-vivo-real-time-metabolic-imaging
#3
REVIEW
Andrew Apps, Justin Lau, Mark Peterzan, Stefan Neubauer, Damian Tyler, Oliver Rider
Although non-invasive perfusion and viability imaging often provide the gateway to coronary revascularisation, current non-invasive imaging methods only report the surrogate markers of inducible hypoperfusion and presence or absence of myocardial scar, rather than actually visualising areas of ischaemia and/or viable myocardium. This may lead to suboptimal revascularisation decisions. Normally respiring (viable) cardiomyocytes convert pyruvate to acetyl-CoA and CO2 /bicarbonate (via pyruvate dehydrogenase), but under ischaemic conditions characteristically shift this conversion to lactate (by lactate dehydrogenase)...
April 27, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29685308/wider-scope-for-nuclear-cardiology
#4
EDITORIAL
I Casáns Tormo
No abstract text is available yet for this article.
May 2018: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29679221/machine-learning-for-nuclear-cardiology-the-way-forward
#5
EDITORIAL
Sirish Shrestha, Partho P Sengupta
No abstract text is available yet for this article.
April 20, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29663117/review-of-cardiovascular-imaging-in-the-journal-of-nuclear-cardiology-in-2017-part-2-of-2-myocardial-perfusion-imaging
#6
Fadi G Hage, Wael A AlJaroudi
In 2017, the Journal of Nuclear Cardiology published many high-quality articles. In this review, we will summarize a selection of these articles to provide a concise review of the main advancements that have recently occurred in the field. In the first article of this 2-part series, we focused on publications dealing with positron emission tomography, computed tomography, and magnetic resonance. This review will place emphasis on myocardial perfusion imaging using single-photon emission computed tomography summarizing advances in the field including prognosis, safety and tolerability, the impact of imaging on management, and the use of novel imaging protocols...
April 16, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29651736/nuclear-cardiology-in-the-literature-a-selection-of-recent-original-research-papers
#7
REVIEW
Saurabh Malhotra, Prem Soman
No abstract text is available yet for this article.
April 12, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29599397/pharmacology-part-1-introduction-to-pharmaoclogy-and-pharmacodynamics
#8
Geoffrey M Currie
There is an emerging need for greater understanding of pharmacology principles amongst technical staff. Indeed, the responsibility of dose preparation and administration, under any level of supervision, demands foundation understanding of pharmacology. This is true for radiopharmaceuticals, contrast media and pharmaceutical interventions / adjunctive medications. Regulation around the same might suggest a need to embed pharmacology theory in undergraduate education programs and there is a need to disseminate that same foundation understanding to practicing clinicians...
March 29, 2018: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/29561994/current-practices-in-myocardial-perfusion-scintigraphy-in-brazil-and-adherence-to-the-iaea-recommendations-results-of-a-cross-sectional-study
#9
Carlos Vitor Braga Rodrigues, Anderson Oliveira, Christiane Cigagna Wiefels, Maurício de Souza Leão, Cláudio Tinoco Mesquita
BACKGROUND: Data on the current situation of nuclear medicine practices in cardiology in Brazil are scarce. The International Atomic Energy Agency (IAEA) has recommended eight "good practices" to minimize patients' ionizing radiation exposure during myocardial perfusion scintigraphy (MPS). OBJECTIVES: To assess the adoption of the eight good practices in MPS in Brazil. METHODS: Cross-sectional study with data obtained by use of a questionnaire...
February 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29550305/deep-learning-for-prediction-of-obstructive-disease-from-fast-myocardial-perfusion-spect-a-multicenter-study
#10
Julian Betancur, Frederic Commandeur, Mahsaw Motlagh, Tali Sharir, Andrew J Einstein, Sabahat Bokhari, Mathews B Fish, Terrence D Ruddy, Philipp Kaufmann, Albert J Sinusas, Edward J Miller, Timothy M Bateman, Sharmila Dorbala, Marcelo Di Carli, Guido Germano, Yuka Otaki, Balaji K Tamarappoo, Damini Dey, Daniel S Berman, Piotr J Slomka
OBJECTIVES: The study evaluated the automatic prediction of obstructive disease from myocardial perfusion imaging (MPI) by deep learning as compared with total perfusion deficit (TPD). BACKGROUND: Deep convolutional neural networks trained with a large multicenter population may provide improved prediction of per-patient and per-vessel coronary artery disease from single-photon emission computed tomography MPI. METHODS: A total of 1,638 patients (67% men) without known coronary artery disease, undergoing stress 99m Tc-sestamibi or tetrofosmin MPI with new generation solid-state scanners in 9 different sites, with invasive coronary angiography performed within 6 months of MPI, were studied...
March 12, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29548003/nuclear-cardiology
#11
Aju P Pazhenkottil
No abstract text is available yet for this article.
March 14, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29519339/trials-and-tribulations-of-assessing-new-imaging-protocols-combining-vasodilator-stress-with-exercise
#12
REVIEW
Carlos D Davila, James E Udelson
Among all patients referred for stress myocardial perfusion imaging (MPI), a substantial proportion in contemporary practice cannot exercise. Another group of patients are those who are thought to be able to achieve an adequate workload with treadmill (or bicycle) exercise but do not achieve at least 85% of maximum predicted heart rate without developing symptoms. There has been substantial interest and literature on the adjunctive use of vasodilator stress during the same visit to generate best-quality results for patients who do not exercise adequately...
March 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29486996/impact-of-age-on-the-selection-of-nuclear-cardiology-stress-protocols-the-incaps-iaea-nuclear-cardiology-protocols-study
#13
Mouaz H Al-Mallah, Thomas N B Pascual, Mathew Mercuri, João V Vitola, Ganesan Karthikeyan, Nathan Better, Maurizio Dondi, Diana Paez, Andrew J Einstein
BACKGROUND: There is growing concern about radiation exposure from nuclear myocardial perfusion imaging (MPI), particularly among younger patients who are more prone to develop untoward effects of ionizing radiation, and hence US and European professional society guidelines recommend age as a consideration in weighing radiation risk from MPI. We aimed to determine how patient radiation doses from MPI vary across age groups in a large contemporary international cohort. METHODS: Data were collected as part of a global cross-sectional study of centers performing MPI coordinated by the International Atomic Energy Agency (IAEA)...
May 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29468466/evolving-innovating-and-revolutionary-changes-in-cardiovascular-imaging-we-ve-only-just-begun
#14
Leslee J Shaw, Rory Hachamovitch, James K Min, Marcelo Di Carli, Jennifer H Mieres, Lawrence Phillips, Ron Blankstein, Andrew Einstein, Viviany R Taqueti, Robert Hendel, Daniel S Berman
In this review, we highlight the need for innovation and creativity to reinvent the field of nuclear cardiology. Revolutionary ideas brought forth today are needed to create greater value in patient care and highlight the need for more contemporary evidence supporting the use of nuclear cardiology practices. We put forth discussions on the need for disruptive innovation in imaging-guided care that places the imager as a central force in care coordination. Value-based nuclear cardiology is defined as care that is both efficient and effective...
February 21, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29454680/cardiomyopathy-in-the-pediatric-patients
#15
REVIEW
Shi-Min Yuan
Pediatric cardiomyopathies are a group of myocardial diseases with complex taxonomies. Cardiomyopathy can occur in children at any age, and it is a common cause of heart failure and heart transplantation in children. The incidence of pediatric cardiomyopathy is increasing with time. They may be associated with variable comorbidities, which are most often arrhythmia, heart failure, and sudden death. Medical imaging technologies, including echocardiography, cardiac magnetic resonance, and nuclear cardiology, are helpful in reaching a diagnosis of cardiomyopathy...
April 2018: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29434738/jnk-and-nf-%C3%AE%C2%BAb-signaling-pathways-are-involved-in-cytokine-changes-in-patients-with-congenital-heart-disease-prior-to-and-after-transcatheter-closure
#16
Shunyang Fan, Kefang Li, Deyin Zhang, Fuyun Liu
Congenital heart disease (CHD) is a problem in the structure of the heart that is present at birth. Due to advances in interventional cardiology, CHD may currently be without surgery. The present study aimed to explore the molecular mechanism underlying CHD. A total of 200 cases of CHD treated by transcatheter closure as well as 200 controls were retrospectively assessed. Serum cytokines prior to and after treatment were assessed by reverse-transcription quantitative polymerase chain reaction analysis. Furthermore, the levels of proteins associated with c-Jun N-terminal kinase (JNK) and nuclear factor (NF)-κB were assessed by western blot analysis and immunohistochemistry...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29417418/future-growth-and-success-of-nuclear-cardiology
#17
EDITORIAL
George A Beller
No abstract text is available yet for this article.
April 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29411316/nuclear-cardiology-in-the-literature-a-selection-of-recent-original-research-papers
#18
REVIEW
Saurabh Malhotra, Prem Soman
No abstract text is available yet for this article.
April 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29362982/multi-modality-imaging-bird-s-eye-view-from-the-2017-american-heart-association-scientific-sessions
#19
Wael A AlJaroudi, Steven G Lloyd, Fadi G Hage
This review summarizes key imaging studies that were presented in the American Heart Association Scientific Sessions 2017 related to the fields of nuclear cardiology, cardiac computed tomography, cardiac magnetic resonance, and echocardiography. The aim of this bird's eye view is to inform readers about multiple studies reported at the meeting from these different imaging modalities. While such a review is most useful for those that did not attend the conference, we find that a general overview may also be useful to those that did since it is often difficult to get exposure to many abstracts at large meetings...
April 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29360694/attenuation-correction-in-myocardial-perfusion-imaging-affects-the-assessment-of-infarct-size-in-women-with-previous-inferior-infarct
#20
Alessia Peli, Luca Camoni, Valentina Zilioli, Rexhep Durmo, Mattia Bonacina, Francesco Bertagna, Barbara Paghera, Raffaele Giubbini
BACKGROUND: Myocardial perfusion imaging is a well-established diagnostic tool in patients with known or suspected coronary artery disease. Numerous clinical trials have shown that attenuation correction (AC) in single photon emission computed tomography (SPECT) improves the diagnostic accuracy of myocardial perfusion imaging over non-AC SPECT, differentiating between scar and attenuation artifacts. We have previously shown that attenuation artifacts produce an overestimation of the size of inferior infarcts in the male population...
April 2018: Nuclear Medicine Communications
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