Search Results - "Lorenz, C H"

Differentiation of heart failure related to dilated cardiomyopathy and coronary artery disease using gadolinium-enhanced cardiovascular magnetic resonance by McCrohon, J A, Moon, J C C, Prasad, S K, McKenna, W J, Lorenz, C H, Coats, A J S, Pennell, D J

“…Heart failure treatment depends partly on the underlying cause of the disease. We evaluated cardiovascular magnetic resonance (CMR) for the problem of…”
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Left ventricular torsion is equal in mice and humans by Henson, R E, Song, S K, Pastorek, J S, Ackerman, J J, Lorenz, C H

“…Global cardiac function has been studied in small animals with methods such as echocardiography, cine-magnetic resonance imaging (MRI), and cardiac…”
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Novel real-time R-wave detection algorithm based on the vectorcardiogram for accurate gated magnetic resonance acquisitions by Fischer, Stefan E., Wickline, Samuel A., Lorenz, Christine H.

“…Electrocardiograph (ECG) triggered or gated magnetic resonance methods are used in many imaging applications. Therefore, a reliable trigger signal derived from…”
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Measurement of the gadopentetate dimeglumine partition coefficient in human myocardium in vivo: normal distribution and elevation in acute and chronic infarction by Flacke, S J, Fischer, S E, Lorenz, C H

“…To establish a method for measuring the partition coefficient (lambda) of gadopentetate dimeglumine in humans in vivo, evaluate the spatial and intersubject…”
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The range of normal values of cardiovascular structures in infants, children, and adolescents measured by magnetic resonance imaging by Lorenz, C H

“…Magnetic resonance imaging (MRI) is a powerful diagnostic technique and research tool for assessment of congenital heart disease due to its ability to…”
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Blood pool agent strongly improves 3D magnetic resonance coronary angiography using an inversion pre-pulse by Hofman, Mark B. M., Henson, Robert E., Kovács, Sándor J., Fischer, Stefan E., Lauffer, Randall B., Adzamli, Kofi, De Becker, Jan, Wickline, Samuel A., Lorenz, Christine H.

“…The ability of a blood pool contrast agent to enhance MR coronary angiography was defined. The proximal coronary vessels of pigs were imaged before and after…”
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Alterations in pulmonary artery flow patterns and shear stress determined with three-dimensional phase-contrast magnetic resonance imaging in fontan patients by Morgan, Victoria L., Graham, Thomas P., Roselli, Robert J., Lorenz, Christine H.

“…Objective: This study compares in vivo pulmonary blood flow patterns and shear stresses in patients with either the direct atrium–pulmonary artery connection…”
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Left ventricular involvement in arrhythmogenic right ventricular cardiomyopathy by MCCROHON, J. A, JOHN, A. S, LORENZ, C. H, DAVIES, S. W, PENNELL, D. J

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Enhanced detection of thrombi with a novel fibrin-targeted magnetic resonance imaging agent by Lanza, G M, Lorenz, C H, Fischer, S E, Scott, M J, Cacheris, W P, Kaufmann, R J, Gaffney, P J, Wickline, S A

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Noninvasive delineation of normal right ventricular contractile motion with magnetic resonance imaging myocardial tagging by KLEIN, S. S, GRAHAM, T. P, LORENZ, C. H

“…As the importance of the right ventricle in many diseases and conditions has been realized, the need for quantitative assessment of the motion and contraction…”
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Coronary aneurysms in Kawasaki's disease detected by magnetic resonance coronary angiography by Flacke, S, Setser, R M, Barger, P, Wickline, S A, Lorenz, C H

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Normal human right and left ventricular mass, systolic function, and gender differences by cine magnetic resonance imaging by Lorenz, C H, Walker, E S, Morgan, V L, Klein, S S, Graham, Jr, T P

“…Our objective was to establish normal ranges of left and right ventricular mass and function with cine magnetic resonance imaging (MRI) and to determine gender…”
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Normal three-dimensional pulmonary artery flow determined by phase contrast magnetic resonance imaging by MORGAN, V. L, ROSELLI, R. J, LORENZ, C. H

“…In this study, an application was developed to measure three-dimensional blood flow in the main, right, and left pulmonary arteries of seven healthy volunteers…”
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Anomalous coronary arteries: anatomic and functional assessment by coronary and perfusion cardiovascular magnetic resonance in three sisters by Bunce, N H, Rahman, S L, Keegan, J, Gatehouse, P D, Lorenz, C H, Pennell, D J

“…Combined coronary and perfusion cardiovascular magnetic resonance was performed in three sisters with angina and suspected anomalous coronary arteries. Two…”
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Regional measurement of the Gd-DTPA tissue partition coefficient in canine myocardium by Harris, P A, Lorenz, C H, Holburn, G E, Overholser, K A

“…Quantifiable MRI perfusion studies using the contrast agent Gd-DTPA require measurement or estimation of the tissue partition coefficient (lambda) for tracer…”
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Renal artery stenosis: in vivo perfusion MR imaging by Powers, T A, Lorenz, C H, Holburn, G E, Price, R R

“…The intravoxel incoherent motion (IVIM) model of perfusion and diffusion imaging was applied to an in vivo canine model of unilateral renal artery stenosis and…”
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Performance of QRS detection for cardiac magnetic resonance imaging with a novel vectorcardiographic triggering method by Chia, Jon M., Fischer, Stefan E., Wickline, Samuel A., Lorenz, Christine H.

“…In many cardiac patients, image quality and/or scan efficiency is reduced due to imprecise R‐wave ability to trigger the scan due to noise on the…”
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Quantification of left ventricular function with magnetic resonance images acquired in real time by Setser, Randy M., Fischer, Stefan E., Lorenz, Christine H.

“…The application of real‐time magnetic resonance imaging (MRI) techniques to cardiac imaging is particularly attractive because current MR examinations of left…”
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Quantification of in-plane motion of the coronary arteries during the cardiac cycle: implications for acquisition window duration for MR flow quantification by Hofman, M B, Wickline, S A, Lorenz, C H

“…Motion of the coronary arteries during the heart cycle can result in image blurring and inaccurate flow quantification by MR. This condition applies…”
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Delineation of normal human left ventricular twist throughout systole by tagged cine magnetic resonance imaging by Lorenz, C H, Pastorek, J S, Bundy, J M

“…Myofibril shortening and the oblique fiber orientation of the left ventricular myocardium results in a twisting motion of the left ventricle. Advances in…”
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