Browsing by Author "Manning, Warren"
Now showing items 1-20 of 26
-
Accelerated three-dimensional free-breathing first pass cardiac perfusion at 1.5T
Akcakaya, Mehmet; Basha, Tamer; Foppa, Murilo; Kissinger, Kraig V; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2013) -
Accuracy of Electrocardiographic Criteria for Atrial Enlargement: Validation with Cardiovascular Magnetic Resonance
Tsao, Connie Wei-Lee; Josephson, Mark; Hauser, Thomas Henry; O'Halloran, Thomas D.; Agarwal, Anupam; Manning, Warren J.; Yeon, Susan B. (BioMed Central, 2008)Background: Anatomic atrial enlargement is associated with significant morbidity and mortality. However, atrial enlargement may not correlate with clinical measures such as electrocardiographic (ECG) criteria. Past studies ... -
Atherosclerotic Biomarkers and Aortic Atherosclerosis by Cardiovascular Magnetic Resonance Imaging in the Framingham Heart Study
Hong, Susie N.; Gona, Philimon; Fontes, Joao D.; Oyama, Noriko; Chan, Raymond H.; Kenchaiah, Satish; Tsao, Connie W.; Yeon, Susan B.; Schnabel, Renate B.; Keaney, John F.; O'Donnell, Christopher J.; Benjamin, Emelia J.; Manning, Warren J. (Blackwell Publishing Ltd, 2013)Background: The relations between subclinical atherosclerosis and inflammatory biomarkers have generated intense interest but their significance remains unclear. We sought to determine the association between a panel of ... -
Cardiovascular Magnetic Resonance Imaging of Scar Development Following Pulmonary Vein Isolation: A Prospective Study
Hsing, Jeff; Peters, Dana C.; Knowles, Benjamin R.; Manning, Warren J.; Josephson, Mark E. (Public Library of Science, 2014)Aims Cardiovascular magnetic resonance (MR) provides non-invasive assessment of early (24-hour) edema and injury following pulmonary vein isolation (by ablation) and subsequent scar formation. We hypothesize that 24-hours ... -
Circumferential myocardial strain in cardiomyopathy with and without left bundle branch block
Han, Yuchi; Chan, Jonathan; Haber, Idith; Peters, Dana C; Zimetbaum, Peter J.; Manning, Warren J.; Yeon, Susan B. (BioMed Central, 2010)Background: Cardiac resynchronization therapy (CRT) has been shown to decrease mortality in 60-70% of advanced heart failure patients with left bundle branch block (LBBB) and QRS duration > 120 ms. There have been intense ... -
Free-Breathing Late Gadolinium Enhancement CMR with a Fixed Short Scan Time Using CosMo
Moghari, Mehdi H.; Rayatzadeh, Hussein; Hong, Susie; Chan, Raymond H.; Akcakaya, Mehmet; Goddu, Beth; Goepfert, Lois A; Kissinger, Kraig V; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2012)To evaluate the performance of compressed sensing for motion correction (CosMo) [1] in compensating the respiratory motion of the heart in 3D late gadolinium enhancement (LGE) CMR. -
Genetic Loci Associated With Atrial Fibrillation: Relation to Left Atrial Structure in the Framingham Heart Study
Magnani, Jared W.; Yin, Xiaoyan; McManus, David D.; Chuang, Michael L.; Cheng, Susan; Lubitz, Steven A.; Arora, Garima; Manning, Warren J.; Ellinor, Patrick T.; Benjamin, Emelia J. (Blackwell Publishing Ltd, 2014)Background: Atrial fibrillation (AF) results in significant morbidity and mortality. Genome‐wide association studies (GWAS) have identified genetic variants associated with AF. Whether genetic variants associated with AF ... -
Heart-rate independent myocardial T1-mapping using combined saturation and inversion preparation pulses
Weingärtner, Sebastian; Akcakaya, Mehmet; Berg, Sophie; Kissinger, Kraig V; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2013) -
Impact of motion correction on reproducibility and spatial variability of quantitative myocardial T2 mapping
Roujol, Sébastien; Basha, Tamer A.; Weingärtner, Sebastian; Akçakaya, Mehmet; Berg, Sophie; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2015)Background: To evaluate and quantify the impact of a novel image-based motion correction technique in myocardial T2 mapping in terms of measurement reproducibility and spatial variability. Methods: Twelve healthy adult ... -
Improved 3D late gadolinium enhancement MRI for patients with arrhythmia or heart rate variability
Weingärtner, Sebastian; Akcakaya, Mehmet; Berg, Sophie; Kissinger, Kraig V; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2013) -
Improved accelerated breath-hold radial cine image reconstruction by acquiring additional free-breathing data between breath-holds
Nam, Seunghoon; Akcakaya, Mehmet; Kwak, Yongjun; Goddu, Beth; Kissinger, Kraig V; Manning, Warren J.; Tarokh, Vahid; Nezafat, Reza (BioMed Central, 2012) -
Improved Data Acquisition Efficiency for Respiratory Motion Correction in Coronary MRI
Moghari, Mehdi H.; Roujol, Sébastien; Henningsson, Markus; Chan, Raymond Ho Ming; Hong, Susie; Goddu, Beth; Goepfert, Lois A; Kissinger, Kraig V; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2012)To investigate the performance of a novel algorithm for correcting respiratory-induced heart motion for whole-heart coronary MRI. -
Improved efficiency for respiratory motion compensation in three-dimensional flow measurements
Akcakaya, Mehmet; Gulaka, Praveen; Basha, Tamer; Hauser, Thomas Henry; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2013) -
Improved Fat Water Separation with Water Selective Inversion Pulse for Inversion Recovery-based Cardiac MRI Sequence
Havla, Lukas; Basha, Tamer A; Rayatzadeh, Hussein; Shaw, Jaime L; Manning, Warren J.; Reeder, Scott B; Kozerke, Sebastian; Nezafat, Reza (BioMed Central, 2012) -
Improved Late Gadolinium Enhancement Imaging of Left Ventricle with Isotropic Spatial Resolution
Akcakaya, Mehmet; Rayatzadeh, Hussein; Hong, Susie; Hauser, Thomas Henry; Chan, Raymond Ho Ming; Basha, Tamer; Kissinger, Kraig V; Goddu, Beth; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2012) -
Improved Navigator-Gated Motion Compensation in Cardiac MR Using Additional Constraint of Magnitude of Motion-Corrupted Data
Shaw, Jaime L; Moghari, Mehdi H.; Akcakaya, Mehmet; Chan, Raymond Ho Ming; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2012)Background. In conventional prospective respiratory navigator (NAV) acquisitions, 40-60% of the acquired data are discarded resulting in low efficiency and long scan times [1,2].Compressed-sensing Motion Compensation (CosMo) ... -
In-hospital measurement of left ventricular ejection fraction and one-year outcomes in acute coronary syndromes: results from the IMMEDIATE Trial
Mukherjee, Jayanta T.; Beshansky, Joni R.; Ruthazer, Robin; Alkofide, Hadeel; Ray, Madhab; Kent, David; Manning, Warren J.; Huggins, Gordon S.; Selker;, Harry P. (BioMed Central, 2016)Background: In patients with acute coronary syndrome (ACS), reduced left ventricular ejection fraction (LVEF) is a known marker for increased mortality. However, the relationship between LVEF measured during index ACS ... -
Left Atrial Scar Assessment Using Imaging With Isotropic Spatial Resolution and Compressed Sensing
Akcakaya, Mehmet; Hong, Susie; Chan, Raymond Ho Ming; Basha, Tamer; Moghari, Mehdi H.; Kissinger, Kraig V; Goddu, Beth; Josephson, Mark; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2012)Summary. We assess left atrial scar using late gadolinium enhancement (LGE) with isotropic spatial resolution of \(1.4^3 mm^3\) by using highly accelerated LOST [1] reconstruction. Background. Atrial fibrillation (AF) is ... -
Prognostic value of pulmonary vein size in prediction of atrial fibrillation recurrence after pulmonary vein isolation: a cardiovascular magnetic resonance study
Hauser, Thomas H.; Essebag, Vidal; Baldessin, Ferdinando; McClennen, Seth; Yeon, Susan B.; Manning, Warren J.; Josephson, Mark E. (BioMed Central, 2015)Background: The relationship between pulmonary vein (PV) anatomy and successful catheter ablation of atrial fibrillation (AF) is poorly understood Methods: First-pass contrast enhanced PV magnetic resonance angiography was ... -
Relationship between native papillary muscle T1 time and severity of functional mitral regurgitation in patients with non-ischemic dilated cardiomyopathy
Kato, Shingo; Nakamori, Shiro; Roujol, Sébastien; Delling, Francesca N.; Akhtari, Shadi; Jang, Jihye; Basha, Tamer; Berg, Sophie; Kissinger, Kraig V.; Goddu, Beth; Manning, Warren J.; Nezafat, Reza (BioMed Central, 2016)Background: Functional mitral regurgitation is one of the severe complications of non-ischemic dilated cardiomyopathy (DCM). Non-contrast native T1 mapping has emerged as a non-invasive method to evaluate myocardial fibrosis. ...