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Daniel B. Ennis, Ph.D.
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Assistant Professor
Department of Radiological Sciences
more on Daniel Ennis
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| 2008 - present: |
Assistant Professor, UCLA Radiology, Los Angeles, CA |
| 2008 winter: |
Visiting Scientist, University of Auckland, Bioengineering Institute
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| 2006 - 2008: |
Research Associate, Stanford University, Department of Cardiothoracic Surgery |
| 2004 - 2006: |
Post-Doctoral Fellow, Stanford University, Department of Radiology |
| 1999 - 2004: |
Pre-IRTA Fellow, National Institutes of Health (NHLBI)
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| 1997 - 2004: |
Ph.D., Johns Hopkins University, Department of Biomedical Engineering
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| 1992 - 1997: |
B.S., UC San Diego, Department of Bioengineering
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My research interests focus on using magnetic resonance imaging to assess myocardial structure, function, and remodeling - particularly during the pathogenesis of cardiovascular disease.
Most of my work utilizes the application of novel cardiac magnetic resonance imaging techniques and principled tensor analysis methods for characterizing changes in myocardial strain tensor fields (function) and diffusion tensor fields (structure).
In general, I am interested in magnetic resonance imaging, cardiovascular pathophysiology, image processing, continuum mechanics, tensor analysis, soft tissue biomechanics, and the intersection of all these fields.
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Application of MRI for the assessment of myocardial structure, function, and remodeling.
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Bothe W, Nguyen TC, Ennis DB, Itoh A, Carlhall CJ, Lai DT, Ingels NB, Miller DC.
Effects of acute ischemic mitral regurgitation on three-dimensional mitral leaflet edge geometry. Eur J Cardiothorac Surg. 2008; 33:191-197.
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Kindlmann G, Ennis DB, Whitaker RT, Westin CF.
Diffusion tensor analysis with invariant gradients and rotation tangents. IEEE Trans Med Imaging. 2007; 26:1483-1499.
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Nguyen TC, Cheng A, Langer F, Rodriguez F, Oakes RA, Itoh A, Ennis DB, Liang D,Daughters GT, Ingels NB, Jr., Miller DC. Altered myocardial shear strains are associated with chronic ischemic mitral regurgitation. Ann Thorac Surg. 2007; 83:47-54.
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Cheng A, Langer F, Nguyen TC, Malinowski M, Ennis DB, Daughters GT, Ingels NB, Jr., Miller DC.
Transmural left ventricular shear strain alterations adjacent to and remote from infarcted myocardium. J Heart Valve Dis. 2006; 15:209-218; discussion 218.
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Vignaud A, Rodriguez I, Ennis DB, Desilva R, Kellman P, Taylor J, Bennett E, Wen H.
Detection of myocardial capillary orientation with intravascular iron-oxide nanoparticles in spin-echo MRI. Magn Reson Med. 2006
; 55:725-730.
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Rodriguez I, Ennis DB, Wen H.
Noninvasive measurement of myocardial tissue volume change during systolic contraction and diastolic relaxation in the canine left ventricle. Magn Reson Med. 2006; 55:484-490.
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Ennis DB, Kindlmann G.
Orthogonal tensor invariants and the analysis of diffusion tensor magnetic resonance images. Magn Reson Med. 2006; 55:136-146.
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Helm PA, Younes L, Beg MF, Ennis DB, Leclercq C, Faris OP, McVeigh E, Kass D, Miller MI, Winslow RL.
Evidence of structural remodeling in the dyssynchronous failing heart. Circ Res. 2006; 98:125-132.
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Ashikaga H, Mickelsen SR, Ennis DB, Rodriguez I, Kellman P, Wen H, McVeigh ER.
Electromechanical analysis of infarct border zone in chronic myocardial infarction. Am J Physiol Heart Circ Physiol. 2005; 289:H1099-1105.
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Ennis DB, Kindlmann G, Rodriguez I, Helm PA, McVeigh ER.
Visualization of tensor fields using superquadric glyphs. Magn Reson Med. 2005; 53:169-176.
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Peters DC, Ennis DB, Rohatgi P, Syed MA, McVeigh ER, Arai AE.
3D breath-held cardiac function with projection reconstruction in steady state free precession validated using 2D cine MRI. J Magn Reson Imaging. 2004; 20:411-416.
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Ennis DB, Epstein FH, Kellman P, Fananapazir L, McVeigh ER, Arai AE.
Assessment of regional systolic and diastolic dysfunction in familial hypertrophic cardiomyopathy using MR tagging. Magn Reson Med. 2003; 50:638-642.
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Faris OP, Evans FJ, Dick AJ, Raman VK, Ennis DB, Kass DA, McVeigh ER.
Endocardial versus epicardial electrical synchrony during LV free-wall pacing. Am J Physiol Heart Circ Physiol. 2003; 285:H1864-1870.
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Faris OP, Evans FJ, Ennis DB, Helm PA, Taylor JL, Chesnick AS, Guttman MA, Ozturk C, McVeigh ER.
Novel technique for cardiac electromechanical mapping with magnetic resonance imaging tagging and an epicardial electrode sock. Ann Biomed Eng. 2003; 31:430-440.
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McVeigh E, Faris O, Ennis DB, Helm P, Evans F.
Electromechanical mapping with MRI tagging and epicardial sock electrodes. J Electrocardiol. 2002; 35:61-64.
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Peters DC, Ennis DB, McVeigh ER.
High-resolution MRI of cardiac function with projection reconstruction and steady-state free precession. Magn Reson Med. 2002; 48:82-88.
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