Browsing by Author "Kwong, Raymond"
Now showing items 1-20 of 23
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Assessment of Acute Myocardial Infarction: Current Status and Recommendations From the North American Society for Cardiovascular Imaging and the European Society of Cardiac Radiology
Stillman, Arthur E.; Oudkerk, Matthijs; Bluemke, David; Bremerich, Jens; Esteves, Fabio P.; Garcia, Ernest V.; Gutberlet, Matthias; Hundley, W. Gregory; Kuijpers, Dirkjan; Nagel, Eike; Lerakis, Stamatios; Oshinski, John; Underwood, Richard; Wintersperger, Bernd J.; Jerosch-Herold, Michael; Kwong, Raymond Yan-Kit; Rees, Michael R.; Paul, Jean-François (Springer Netherlands, 2010)There are a number of imaging tests that are used in the setting of acute myocardial infarction and acute coronary syndrome. Each has their strengths and limitations. Experts from the European Society of Cardiac Radiology ... -
Cardiac Magnetic Resonance Assessment of Interstitial Myocardial Fibrosis and Cardiomyocyte Hypertrophy in Hypertensive Mice Treated With Spironolactone
Coelho‐Filho, Otavio R.; Shah, Ravi V.; Neilan, Tomas G.; Mitchell, Richard; Moreno, Heitor; Kwong, Raymond; Jerosch‐Herold, Michael (Blackwell Publishing Ltd, 2014)Background: Nearly 50% of patients with heart failure (HF) have preserved LV ejection fraction, with interstitial fibrosis and cardiomyocyte hypertrophy as early manifestations of pressure overload. However, methods to ... -
Cardiac MRI with Concurrent Physiological Monitoring Using MRI-Compatible 12-Lead ECG
Tse, Zion; Dumoulin, Charles; Clifford, Gari D; Oster, Julien; Jerosch-Herold, Michael; Kwong, Raymond Yan-Kit; Stevenson, William Gregory; Schmidt, Ehud Jeruham (BioMed Central, 2012) -
A case report in cardiovascular magnetic resonance: the contrast agent matters in amyloid
Fontana, Marianna; Treibel, Thomas A.; Martinez-Naharro, Ana; Rosmini, Stefania; Kwong, Raymond Y.; Gillmore, Julian D.; Hawkins, Philip N.; Moon, James C. (BioMed Central, 2017)Background: Cardiac amyloidosis is a progressive but underdiagnosed and underappreciated cause of heart failure. In the last few years, cardiovascular magnetic resonance (CMR) has become the gold standard for non invasive ... -
Comparative Definitions for Moderate-Severe Ischemia in Stress Nuclear, Echocardiography, and Magnetic Resonance Imaging
Shaw, Leslee J.; Berman, Daniel S.; Picard, Michael Howard; Friedrich, Matthias G.; Kwong, Raymond Yan-Kit; Stone, Gregg W.; Senior, Roxy; Min, James K.; Hachamovitch, Rory; Scherrer-Crosbie, Marielle; Mieres, Jennifer H.; Marwick, Thomas H.; Phillips, Lawrence M.; Chaudhry, Farooq A.; Pellikka, Patricia A.; Slomka, Piotr; Arai, Andrew E.; Iskandrian, Ami E.; Bateman, Timothy M.; Heller, Gary V.; Miller, Todd D.; Nagel, Eike; Goyal, Abhinav; Borges-Neto, Salvador; Boden, William E.; Reynolds, Harmony R.; Hochman, Judith S.; Maron, David J.; Douglas, Pamela S. (Elsevier BV, 2014)The lack of standardized reporting of the magnitude of ischemia on noninvasive imaging contributes to variability in translating the severity of ischemia across stress imaging modalities. We identified the risk of coronary ... -
Cost-minimization analysis of three decision strategies for cardiac revascularization: results of the “suspected CAD” cohort of the european cardiovascular magnetic resonance registry
Moschetti, Karine; Petersen, Steffen E.; Pilz, Guenter; Kwong, Raymond Y.; Wasserfallen, Jean-Blaise; Lombardi, Massimo; Korosoglou, Grigorios; Van Rossum, Albert C.; Bruder, Oliver; Mahrholdt, Heiko; Schwitter, Juerg (BioMed Central, 2016)Background: Coronary artery disease (CAD) continues to be one of the top public health burden. Perfusion cardiovascular magnetic resonance (CMR) is generally accepted to detect CAD, while data on its cost effectiveness are ... -
Effect of Late Gadolinium Enhancement on the Recovery of Left Ventricular Systolic Function After Pulmonary Vein Isolation
Addison, Daniel; Farhad, Hoshang; Shah, Ravi V.; Mayrhofer, Thomas; Abbasi, Siddique A.; John, Roy M.; Michaud, Gregory F.; Jerosch‐Herold, Michael; Hoffmann, Udo; Stevenson, William G.; Kwong, Raymond Y.; Neilan, Tomas G. (John Wiley and Sons Inc., 2016)Background: The factors that predict recovery of left ventricular (LV) systolic dysfunction among patients with atrial fibrillation (AF) are not completely understood. Late gadolinium enhancement (LGE) of the LV has been ... -
Feasibility study of electrocardiographic and respiratory gated, gadolinium enhanced magnetic resonance angiography of pulmonary veins and the impact of heart rate and rhythm on study quality
Groarke, John D; Waller, Alfonso H; Vita, Tomas S; Michaud, Gregory F; Di Carli, Marcelo F; Blankstein, Ron; Kwong, Raymond Y; Steigner, Michael (BioMed Central, 2014)Background: We aimed to assess the feasibility of 3 dimensional (3D) respiratory and ECG gated, gadolinium enhanced magnetic resonance angiography (MRA) on a 3 Tesla (3 T) scanner for imaging pulmonary veins (PV) and left ... -
Impact of cardiovascular magnetic resonance on management and clinical decision-making in heart failure patients
Abbasi, Siddique A; Ertel, Andrew; Shah, Ravi V; Dandekar, Vineet; Chung, Jaehoon; Bhat, Geetha; Desai, Ankit A; Kwong, Raymond Y; Farzaneh-Far, Afshin (BioMed Central, 2013)Background: Cardiovascular magnetic resonance (CMR) can provide important diagnostic and prognostic information in patients with heart failure. However, in the current health care environment, use of a new imaging modality ... -
Improvement of Myocardial Perfusion Reserve Detected by Cardiovascular Magnetic Resonance After Direct Endomyocardial Implantation of Autologous Bone Marrow Cells in Patients With Severe Coronary Artery Disease
Chan, Carmen Wing-Sze; Kwong, Yok-Lam; Lau, Chu-Pak; Tse, Hung-Fat; Kwong, Raymond Yan-Kit (BioMed Central, 2010)Background: Recent studies suggested that bone marrow (BM) cell implantation in patients with severe chronic coronary artery disease (CAD) resulted in modest improvement in symptoms and cardiac function. This study sought ... -
The Incidence, Pattern, and Prognostic Value of Left Ventricular Myocardial Scar by Late Gadolinium Enhancement in Patients With Atrial Fibrillation
Neilan, Tomas G; Shah, Ravi Vikram; Abbasi, Siddique Akbar; Farhad, Hoshang; Groarke, John David; Dodson, John; Coelho-Filho, Otavio; McMullan, Ciaran Joseph; Heydari, Bobak; Michaud, Gregory F.; John, Roy Mattathu; van der Geest, Rob; Steigner, Michael L.; Blankstein, Ron; Jerosch-Herold, Michael; Kwong, Raymond Yan-Kit (Elsevier BV, 2013)Objectives We aimed to identify the frequency, pattern, and prognostic significance of left ventricular (LV) late gadolinium enhancement (LGE) in patients with atrial fibrillation (AF). Background There are limited ... -
Insulin resistance, subclinical left ventricular remodeling, and the obesity paradox: the multi-ethnic study of atherosclerosis
Shah, Ravi Vikram; Abbasi, Siddique Akbar; Heydari, Bobby; Rickers, Carsten; Jacobs, David R; Wang, Lu; Kwong, Raymond Yan-Kit; Bluemke, David A; Lima, Joao A; Jerosch-Herold, Michael (BioMed Central, 2013) -
Left Atrial Passive Emptying Function Determined by Cardiac Magnetic Resonance Predicts Atrial Fibrillation Recurrence After Pulmonary Vein Isolation
Dodson, J; Neilan, Tomas G; Shah, Ravi Vikram; Farhad, H.; Blankstein, Ron; Steigner, Michael L.; Michaud, Gregory F.; John, Roy Mattathu; Abbasi, Siddique Akbar; Jerosch-Herold, Michael; Kwong, Raymond Yan-Kit (Ovid Technologies (Wolters Kluwer Health), 2014)Background While pulmonary vein isolation (PVI) has become a mainstream therapy for selected patients with atrial fibrillation (AF), late recurrent AF is common and its risk factors remain poorly defined. The purpose ... -
Left atrial volume during the early convalescent phase of acute MI is strongly related to expansion of myocardial extracellular matrix during infarct healing and ventricular remodeling
Farhad, Hoshang; Abbasi, Siddique Akbar; Shah, Ravi Vikram; Heydari, Bobby; Neilan, Tomas G; Feng, Jiazuo H; Jerosch-Herold, Michael; Kwong, Raymond Yan-Kit (BioMed Central, 2013) -
Lessons learned from MPI and physiologic testing in randomized trials of stable ischemic heart disease: COURAGE, BARI 2D, FAME, and ISCHEMIA
Phillips, Lawrence M.; Hachamovitch, Rory; Berman, Daniel S.; Iskandrian, Ami E.; Min, James K.; Picard, Michael Howard; Kwong, Raymond Yan-Kit; Friedrich, Matthias G.; Scherrer-Crosbie, Marielle; Hayes, Sean W.; Sharir, Tali; Gosselin, Gilbert; Mazzanti, Marco; Senior, Roxy; Beanlands, Rob; Smanio, Paola; Goyal, Abhi; Al-Mallah, Mouaz; Reynolds, Harmony; Stone, Gregg W.; Maron, David J.; Shaw, Leslee J. (Springer Science + Business Media, 2013)There is a preponderance of evidence that, in the setting of an acute coronary syndrome, an invasive approach using coronary revascularization has a morbidity and mortality benefit. However, recent stable ischemic heart ... -
MRI Guided Electrophysiological Intervention with a Voltage-Based Electro-Anatomic Mapping System
Tse, Zion; Dumoulin, Charles; Watkins, Ronald; Byrd, Israel; Schweitzer, Jeffrey; Kwong, Raymond Yan-Kit; Michaud, Gregory F.; Schmidt, Ehud Jeruham (BioMed Central, 2012) -
Myocardial Tissue Remodeling in Adolescent Obesity
Shah, Ravi V.; Abbasi, Siddique A.; Neilan, Tomas G.; Hulten, Edward; Coelho‐Filho, Otavio; Hoppin, Alison; Levitsky, Lynne; de Ferranti, Sarah; Rhodes, Erinn T.; Traum, Avram; Goodman, Elizabeth; Feng, Henry; Heydari, Bobak; Harris, William S.; Hoefner, Daniel M.; McConnell, Joseph P.; Seethamraju, Ravi; Rickers, Carsten; Kwong, Raymond Y.; Jerosch‐Herold, Michael (Blackwell Publishing Ltd, 2013)Background: Childhood obesity is a significant risk factor for cardiovascular disease in adulthood. Although ventricular remodeling has been reported in obese youth, early tissue‐level markers within the myocardium that ... -
Quantification of LV function and mass by cardiovascular magnetic resonance: multi-center variability and consensus contours
Suinesiaputra, Avan; Bluemke, David A.; Cowan, Brett R.; Friedrich, Matthias G.; Kramer, Christopher M.; Kwong, Raymond; Plein, Sven; Schulz-Menger, Jeanette; Westenberg, Jos J. M.; Young, Alistair A.; Nagel, Eike (BioMed Central, 2015)Background: High reproducibility of LV mass and volume measurement from cine cardiovascular magnetic resonance (CMR) has been shown within single centers. However, the extent to which contours may vary from center to center, ... -
Risk Stratification by Regadenoson Stress Magnetic Resonance Imaging in Patients With Known or Suspected Coronary Artery Disease
Abbasi, Siddique Akbar; Heydari, Bobak; Shah, Ravi Vikram; Murthy, Venkatesh N.; Zhang, Ying-Yi; Blankstein, Ron; Steigner, Michael L.; Jerosch-Herold, Michael; Kwong, Raymond Yan-Kit (Elsevier BV, 2014)The aim of this study was to investigate the association between major adverse cardiovascular events (MACEs) and inducible ischemia on regadenoson cardiac magnetic resonance (CMR) myocardial perfusion imaging (MPI) performed ... -
Simplifying cardiovascular magnetic resonance pulse sequence terminology
Friedrich, Matthias G; Bucciarelli-Ducci, Chiara; White, James A; Plein, Sven; Moon, James C; Almeida, Ana G; Kramer, Christopher M; Neubauer, Stefan; Pennell, Dudley J; Petersen, Steffen E; Kwong, Raymond Y; Ferrari, Victor A; Schulz-Menger, Jeanette; Sakuma, Hajime; Schelbert, Erik B; Larose, Éric; Eitel, Ingo; Carbone, Iacopo; Taylor, Andrew J; Young, Alistair; de Roos, Albert; Nagel, Eike (BioMed Central, 2014)We propose a set of simplified terms to describe applied Cardiovascular Magnetic Resonance (CMR) pulse sequence techniques in clinical reports, scientific articles and societal guidelines or recommendations. Rather than ...