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Cardiac mri lge

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https://www.readbyqxmd.com/read/27905543/rapid-functional-cardiac-imaging-after-gadolinium-injection-evaluation-of-a-highly-accelerated-sequence-with-sparse-data-sampling-and-iterative-reconstruction
#1
Johannes Budjan, Holger Haubenreisser, Thomas Henzler, Sonja Sudarski, Michaela Schmidt, Christina Doesch, Ibrahim Akin, Martin Borggrefe, Nadja M Meßner, Stefan O Schoenberg, Ulrike I Attenberger, Theano Papavassiliu
To generate a patient-friendly, time-efficient cardiac MRI examination protocol, a highly accelerated real-time CINE MR sequence (SSIR) was acquired in the idle time in between contrast injection and late gadolinium enhancement phase. 20 consecutive patients underwent a cardiac MRI examination including a multi-breath-hold sequence as gold standard (Ref) as well as SSIR sequences with (SSIR-BH) and without breath-hold (SSIR-nonBH). SSIR sequences were acquired 4 minutes after gadolinium injection. Right- (RV) and left-ventricular (LV) volumetric functional parameters were evaluated and compared between Ref and SSIR sequences...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27889555/correlation-between-microvascular-dysfunction-and-b-type-natriuretic-peptide-levels-in-non-ischemic-heart-failure-patients-with-cardiac-fibrosis
#2
Kyoko Hirakawa, Megumi Yamamuro, Tomoaki Uemura, Seiji Takashio, Koichi Kaikita, Daisuke Utsunomiya, Mina Nakayama, Eiichiro Yamamoto, Yasuyuki Yamashita, Seiji Hokimoto, Kenichi Tsujita
BACKGROUNDS: The relationship between microvascular dysfunction and plasma B-type natriuretic peptide (BNP) levels remains unclear in heart failure (HF) patients with cardiac fibrosis. METHODS: This study evaluated 55 consecutive non-ischemic HF patients in an effort to determine the relationship between endothelial independent coronary microvascular dysfunction and plasma BNP levels, as well as whether each measure is correlated with myocardial fibrosis. We evaluated plasma BNP levels in patients with stable HF...
November 8, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27818475/sector-based-assessment-of-infarct-size-on-late-gadolinium-enhancement-mri-in-a-mouse-model-of-acute-myocardial-infarction
#3
Cheongsoo Park, Eun-Hye Park, Kiyuk Chang, Kwan Soo Hong
Scoring of myocardial infarction (MI) disease extent in cardiac magnetic resonance (CMR) images has been generally presented in terms of area-based infarct size. However, gradual thinning of the infarcted wall and compensatory hypertrophy of the noninfarcted remote wall during left ventricular (LV) remodeling after MI complicate the accuracy of infarct size measurement. In this study, we measured and compared infarct sizes in mice on late gadolinium enhancement (LGE) images using area-, length-, and radial sector-based methods...
November 4, 2016: International Heart Journal
https://www.readbyqxmd.com/read/27816171/reliable-exclusion-of-prognostically-significant-coronary-disease-in-left-ventricular-dysfunction-by-cardiac-mri
#4
A C M Thompson, J G Crilley, D W Wilson, A P S Hungin, A Fuat, J J M Murphy
AIM: To assess the ability of cardiac magnetic resonance (CMR) to exclude prognostically significant coronary artery disease (CAD) in patients with left ventricular systolic dysfunction (LVSD). MATERIALS AND METHODS: A cohort of patients who underwent both X-ray angiography and CMR since 2006 was reviewed retrospectively. Records of those with European criteria for LVSD (left ventricular ejection fraction [LVEF] <50% or LV end-diastolic volume index [LVEDVI] ≥97 ml/m(2)) on CMR or transthoracic echo were analysed...
November 2, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27801994/clinical-evaluation-of-three-dimensional-late-enhancement-mri
#5
Konstantinos Bratis, Markus Henningsson, Chrisanthos Grigoratos, Matteo Dell' Omodarme, Konstantinos Chasapides, Rene Botnar, Eike Nagel
PURPOSE: To assess the diagnostic value of three-dimensional late enhancement (3D-LGE) for the detection of myocardial necrosis in a routine clinical setting. 3D-LGE has been proposed as a novel magnetic resonance (MR) technique for the accurate detection of myocardial scar in both the ventricles and atria. Its performance in clinical practice has been poorly examined. MATERIALS AND METHODS: Fifty-seven patients referred for cardiac MR examination including scar imaging were prospectively enrolled...
November 1, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27793097/myocardial-lipid-content-in-fabry-disease-a-combined-1-h-mr-spectroscopy-and-mr-imaging-study-at-3-tesla
#6
B Petritsch, H Köstler, A M Weng, M Horn, T Gassenmaier, A S Kunz, F Weidemann, C Wanner, T A Bley, M Beer
BACKGROUND: Fabry disease is characterized by a progressive deposition of sphingolipids in different organ systems, whereby cardiac involvement leads to death. We hypothesize that lysosomal storage of sphingolipids in the heart as occurring in Fabry disease does not reflect in higher cardiac lipid concentrations detectable by (1)H magnetic resonance spectroscopy (MRS) at 3 Tesla. METHODS: Myocardial lipid content was quantified in vivo by (1)H-MRS in 30 patients (12 male, 18 female; 18 patients treated with enzyme replacement therapy) with genetically proven Fabry disease and in 30 healthy controls...
October 28, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27743139/myocardial-strain-pattern-in-patients-with-cardiac-amyloidosis-secondary-to-multiple-myeloma-a-cardiac-mri-feature-tracking-study
#7
Sabha Bhatti, Srikanth Vallurupalli, Stephanie Ambach, Adam Magier, Evan Watts, Vien Truong, Abdul Hakeem, Wojciech Mazur
Cardiac MRI is frequently used in the diagnosis of cardiac amyloidosis. Feature tracking is a novel method of analyzing myocardial strain at the myocardial borders. We investigated myocardial deformation mechanics of both the right and left ventricles in patients with multiple myeloma with suspected cardiac amyloidosis. Comprehensive strain analysis was performed in 43 patients with multiple myeloma and suspected cardiac amyloidosis. MRI strain by feature tracking was measured using 2D cardiac performance analysis MR software (Tomtec, Germany)...
October 14, 2016: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27742424/long-term-prognostic-value-of-late-gadolinium-enhanced-magnetic-resonance-imaging-in-patients-with-and-without-left-ventricular-dysfunction-undergoing-coronary-artery-bypass-grafting
#8
Seung-Ah Lee, Yeonyee E Yoon, Jung-Eun Kim, Jin Joo Park, Il-Young Oh, Chang-Hwan Yoon, Jung-Won Suh, Jun-Sung Kim, Eun Ju Chun, Young-Suk Cho, Tae-Jin Youn, Cheong Lim, Goo-Young Cho, In-Ho Chae, Kay-Hyun Park, Dong-Ju Choi, Sang Il Choi
The value of late gadolinium-enhanced (LGE) magnetic resonance imaging (MRI) for the prediction of functional recovery after surgical revascularization has been previously established. However, the impact of LGE-MRI on the long-term prognosis after coronary artery bypass grafting (CABG) remains incompletely understood. Therefore, we aimed to evaluate the long-term prognostic value of LGE-MRI, based on the presence or absence of left ventricular (LV) dysfunction, in patients with coronary artery disease undergoing CABG...
August 30, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27741021/left-atrial-performance-in-the-course-of-hypertrophic-cardiomyopathy-relation-to-left-ventricular-hypertrophy-and-fibrosis
#9
Johannes T Kowallick, Miguel Silva Vieira, Shelby Kutty, Joachim Lotz, Gerd Hasenfu, Amedeo Chiribiri, Andreas Schuster
OBJECTIVES: Hypertrophic cardiomyopathy (HCM) is associated with left atrial (LA) functional abnormalities. The determinants and the degree of LA dysfunction in the course of HCM are not fully understood. We aimed to characterize LA mechanics in HCM, according to the extent of left ventricular (LV) hypertrophy and fibrosis. METHODS AND RESULTS: Seventy-three HCM patients and 23 age- and sex-matched controls underwent cardiovascular magnetic resonance imaging including late gadolinium enhancement (LGE)...
October 12, 2016: Investigative Radiology
https://www.readbyqxmd.com/read/27738810/left-ventricular-ejection-fraction-and-presence-of-myocardial-necrosis-assessed-by-cardiac-magnetic-resonance-imaging-correctly-risk-stratify-patients-with-stable-coronary-artery-disease-a-multi-center-all-comers-trial
#10
Dominik Buckert, Sebastian Kelle, Sebastian Buss, Grigorios Korosoglou, Rolf Gebker, Ralf Birkemeyer, Wolfgang Rottbauer, Hugo Katus, Burkert Pieske, Peter Bernhardt
BACKGROUND: Cardiac magnetic resonance imaging (CMR) has become a diagnostic modality that allows for prognostic risk stratification in various cardiac diseases. CMR derived detection of myocardial necrosis by late gadolinium enhancement (LGE) and assessment of left ventricular functional parameters such as left-ventricular ejection fraction (LVEF) have been proven to be significantly associated with outcome and prognosis. Our study focusses on the validation of specific thresholds for these parameters in a multi-center daily all-comers cohort of stable coronary artery disease (CAD) patients...
October 13, 2016: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/27690324/t-rho-and-magnetization-transfer-and-inversion-recovery-traminer-prepared-imaging-a-novel-contrast-enhanced-flow-independent-dark-blood-technique-for-the-evaluation-of-myocardial-late-gadolinium-enhancement-in-patients-with-myocardial-infarction
#11
Giuseppe Muscogiuri, Wolfgang G Rehwald, U Joseph Schoepf, Pal Suranyi, Sheldon E Litwin, Carlo N De Cecco, Julian L Wichmann, Stefanie Mangold, Damiano Caruso, Stephen R Fuller, Richard R Bayer 2nd, Akos Varga-Szemes
PURPOSE: To evaluate a new dark-blood late gadolinium enhancement (LGE) technique called "T(Rho) And Magnetization transfer and INvErsion Recovery" (TRAMINER) for the ability to detect myocardial LGE versus standard "bright-blood" inversion recovery (SIR) imaging. MATERIALS AND METHODS: This Institutional Review Board (IRB)-approved, Health Insurance Portability and Accountability Act (HIPAA)-compliant prospective study included 40 patients (62 ± 14 years [mean ± standard deviation (SD)], 29 males) with suspected myocardial infarction (MI) referred for the assessment of myocardial viability...
September 30, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27668708/usefulness-of-late-gadolinium-enhancement-mri-combined-with-stress-imaging-in-predictive-significant-coronary-stenosis-in-new-diagnosed-left-ventricular-dysfunction
#12
Gianluca Di Bella, Alessandro Pingitore, Paolo Piaggi, Fausto Pizzino, Andrea Barison, Anna Terrizzi, Miriam d'angelo, Giancarlo Todiere, Salvina Quattrocchi, Scipione Carerj, Michele Emdin, Giovanni Donato Aquaro
BACKGROUND: To evaluate the accuracy of late gadolinium enhancement (LGE) cardiac magnetic resonance (CMR) and imaging stress test in predicting significant coronary artery disease (CAD) in left ventricular (LV) dysfunction. METHODS: We enrolled 187 consecutive out-patients (61±17years) with new evidence of depressed (<45%) ejection fraction and no history of previous heart diseases and absence of Q-waves. All patients underwent coronary angiography (CA) and to LGE-CMR examination to identify ischemic and non-ischemic LGE...
September 19, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27660737/late-gadolinium-enhancement-cardiac-magnetic-resonance-imaging-post-robotic-radiosurgical-pulmonary-vein-isolation-rrpvi-first-case-in-the-world
#13
Edgar Monroy, Jose Azpiri, Cuauhtémoc De La Peña, Carlos Cardona, Miguel Hinojosa, Rafael Zamarripa, Jose Assad
Pulmonary vein isolation using robotic radiosurgery system CyberKnife is a new non-invasive treatment of atrial fibrillation, currently in clinical phase. Robotic radiosurgical pulmonary vein isolation (RRPVI) uses stereotactic, non-invasive (painless) pinpoint radiation energy delivery to a small, precise area to accomplish ablation. The purpose of this report is to describe the finding of an increase in the enhancement of the left atrium demonstrated with the use of cardiac magnetic resonance imaging using late gadolinium enhancement (LGE-CMR) as a result of RRPVI in the first case in the world in humans using CyberKnife as a treatment for paroxysmal atrial fibrillation (PAF)...
2016: Curēus
https://www.readbyqxmd.com/read/27659455/pet-mr-yet-another-tesla
#14
Markus Schwaiger, Karl Kunze, Christoph Rischpler, Stephan G Nekolla
After the successful introduction of PET/CT as a multimodality imaging technique, PET/MR has subsequently emerged as an attractive instrumentation for applications in neurology, oncology, and cardiology. Simultaneous data acquisition combining structural, functional, and molecular imaging provides a unique platform to link various aspects of cardiac performance for the non-invasive characterization of cardiovascular disease phenotypes. Specifically, tissue characterization by MR techniques with and without contrast agents allows for functional parameters such as LGE, myocardial perfusion, and T1 maps as well as an estimate of extracellular volume...
September 22, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27648128/an-experimental-study-on-use-of-7t-mri-for-evaluation-of-myocardial-infarction-in-sd-rats-transfected-with-pcdna-3-1-vegf121-plasmid
#15
Yan Zhang, Ruiqing Tian, Xiangchun Shen, Yushu Chen, Wei Chen, Lu Gan, Guiquan Shen, Haiyue Ju, Li Yang, Fabao Gao
This study aims to build the myocardial infarction model in SD rats transfected with pcDNA 3.1(+)/VEGF121 plasmid and study the effect of the transfection using 7T MRI. Twenty-four male SD rats were randomly divided into 2 groups, pcDNA 3.1(+)/VEGF121 plasmid transfection group (with improved coronary perfusion delivery) and myocardial infarction model group. Cardiac cine magnetic resonance imaging (Cine-MRI), T2-mapping and late gadolinium enhancement (LGE) cardiac imaging were performed at 24 h, 48 h, 72 h and 7 d after myocardial infarction, respectively...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27638745/feasibility-of-fdg-pet-in-myocarditis-comparison-to-cmr-using-integrated-pet-mri
#16
Felix Nensa, Julia Kloth, Ercan Tezgah, Thorsten D Poeppel, Philipp Heusch, Juliane Goebel, Kai Nassenstein, Thomas Schlosser
OBJECTIVE: Besides cardiac sarcoidosis, FDG-PET is rarely used in the diagnosis of myocardial inflammation, while cardiac MRI (CMR) is the actual imaging reference for the workup of myocarditis. Using integrated PET/MRI in patients with suspected myocarditis, we prospectively compared FDG-PET to CMR and the feasibility of integrated FDG-PET/MRI in myocarditis. METHODS: A total of 65 consecutive patients with suspected myocarditis were prospectively assessed using integrated cardiac FDG-PET/MRI...
September 8, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27621357/presence-of-late-gadolinium-enhancement-by-cardiac-magnetic-resonance-among-patients-with-suspected-cardiac-sarcoidosis-is-associated-with-adverse-cardiovascular-prognosis-a-systematic-review-and-meta-analysis
#17
Edward Hulten, Vikram Agarwal, Michael Cahill, Geoff Cole, Tomas Vita, Scott Parrish, Marcio Sommer Bittencourt, Venkatesh L Murthy, Raymond Kwong, Marcelo F Di Carli, Ron Blankstein
BACKGROUND: Individuals with cardiac sarcoidosis have an increased risk of ventricular arrhythmia and death. Several small cohort studies have evaluated the ability of late gadolinium enhancement (LGE) by cardiac magnetic resonance imaging (MRI) to predict adverse cardiovascular events. However, studies have yielded inconsistent results, and some analyses were underpowered. Therefore, we sought to systematically review and perform meta-analysis of the prognostic value of cardiac MRI for patients with known or suspected cardiac sarcoidosis...
September 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27611916/cardiac-involvement-in-patients-with-rheumatic-disorders-data-of-the-rheu-m-a-r-study
#18
Simon Greulich, Daniel Kitterer, Reto Kurmann, Joerg Henes, Joerg Latus, Steffen Gloekler, Andreas Wahl, Sebastian J Buss, Hugo A Katus, Marco Bobbo, Massimo Lombardi, Maik Backes, Hannah Steubing, Pascal Schepat, Niko Braun, M Dominik Alscher, Udo Sechtem, Heiko Mahrholdt
BACKGROUND: The diagnosis of cardiac involvement in rheumatic disorders is challenging due to its varying clinical presentation. Since clinical consequences range from immediate treatment changes to adverse long-term outcome, individual risk stratification is of great clinical interest. Primary aim was to evaluate the prevalence of cardiac involvement in patients with different rheumatic disorders using late gadolinium enhancement-cardiac magnetic resonance imaging (LGE-CMR). In addition, we sought to investigate if different rheumatic disorders would demonstrate different LGE patterns...
August 24, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27604109/image-fusion-between-18f-fdg-pet-and-mri-in%C3%A2-cardiac-sarcoidosis-a-case-series
#19
Shahin Zandieh, Reinhard Bernt, Siroos Mirzaei, Joerg Haller, Klaus Hergan
BACKGROUND: Sarcoidosis is a systemic disorder of unknown etiology. It is distinguished by the presence of noncaseating epithelioid granulomas. This study demonstrates the use of image fusion between (18)F-fluoro-2-deoxy-D-glucose positron emission tomography (18F-FDG PET) and magnetic resonance imaging (MRI) to diagnose patients with cardiac sarcoidosis (CS). METHODS: Seven patients diagnosed with sarcoidosis were retrospectively included. All patients underwent 18F-FDG PET/CT and cardiac MRI...
September 7, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27576457/combined-blood-pool-and-extracellular-contrast-agents-for-pediatric-and-young-adult-cardiovascular-magnetic-resonance-imaging
#20
Joyce T Johnson, Joshua D Robinson, Jie Deng, Cynthia K Rigsby
BACKGROUND: A comprehensive cardiac magnetic resonance (cardiac MR) study including both late gadolinium enhancement (LGE) and MR angiography may be indicated for patients with a history of acquired or congenital heart disease. OBJECTIVE: To study the novel use of an extracellular agent for assessment of LGE combined with a blood pool contrast agent for detailed MR angiography evaluation to yield a comprehensive cardiac MR study in these patients. MATERIALS AND METHODS: We reviewed clinical cardiac MR studies utilizing extracellular and blood pool contrast agents and noted demographics, clinical data and adverse events...
December 2016: Pediatric Radiology
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