Aortic coarctation augments changes in thoracic aortic hemodynamics in pediatric and young adult patients with bicuspid aortic valve

by Allen, Bradley D, Barker, Alex J, Gabbour, Maya, Markl, Michael, Rigsby, Cynthia, Robinson, Joshua D
Published 2013

RV work efficiency is greatly reduced in patients with pulmonary arterial hypertension as evidenced by 4D flow cardiac MRI

by Han, Qiao, Witschey, Walter R, Arkles, Jefferey, Barker, Alex J, Han, Yuchi
Published 2014

4D Flow and 2D PC MRI: impact of volumetric coverage and three-directional velocity encoding on quantification of aortic hemodynamics

by Bollache, Emilie, Ooij, Pim van, Powell, Alexander L, Carr, James C, Markl, Michael, Barker, Alex J
Published 2016

Impact of Beta-blocker, ACE Inhibitor, and ARB therapy on thoracic aorta wall shear stress in bicuspid aortic valve patients

by McGee, Katherine, Bollache, Emilie, Barker, Alex J, Carr, James C, Markl, Michael, Kansal, Preeti
Published 2016

A physiologic flow phantom for the evaluation of 4D flow MRI in the left ventricle

by Okafor, Ikechukwu (Ikay), Garcia, Christine, Barker, Alex J, Oshinski, John, Yoganathan, Ajit P
Published 2015

Reproducibility and inter-observer variability of velocity and 3D wall shear stress derived from 4D flow MRI in the healthy aorta

by van Ooij, Pim, Powell, Alexander L, Potters, Wouter V, Barker, Alex J, Markl, Michael
Published 2015

Characterization of the relationship between bicuspid aortic valve morphology and hemodynamics

by Raghav, Vrishank, Mangiameli, Daniel, Coco, Elizabeth, Barker, Alex J, Markl, Michael, Yoganathan, Ajit P
Published 2015

Wall shear stress measured by phase contrast cardiovascular magnetic resonance in children and adolescents with pulmonary arterial hypertension

by Truong, Uyen, Fonseca, Brian, Dunning, Jamie, Burgett, Shawna, Lanning, Craig, Ivy, D Dunbar, Shandas, Robin, Hunter, Kendall, Barker, Alex J
Published 2013

Cusp fusion pattern in bicuspid aortic valve disease predicts severity of aortic flow abnormalities

by Bissell, Malenka M, Hess, Aaron T, Glaze, Steffan J, Pitcher, Alex, Robson, Matthew D, Barker, Alex J, Myerson, Saul, Neubauer, Stefan
Published 2013

Type of aortic valve replacement influences ascending aortic flow characteristics - a pilot study using 4D flow MRI

by von Knobelsdorff-Brenkenhoff, Florian, Trauzeddel, Ralf F, Barker, Alex J, Gruettner, Henriette, Markl, Michael, Schulz-Menger, Jeanette
Published 2013

4D flow jet shear layer detection method for the measurement of effective orifice area and assessment of aortic stenosis severity

by Garcia, Julio, Barker, Alex J, Schnell, Susanne, Entezari, Pegah, Mahadevia, Riti J, Pibarot, Philippe, Carr, James, Markl, Michael
Published 2013

Enhanced segmentation improves 4D blood flow quantification in patients with tetralogy of Fallot and pulmonary regurgitation

by Robinson, Joshua D, Rigsby, Cynthia K, Barker, Alex J, Jarvis, Kelly B, de Freitas, Roger A, Schnell, Susanne, Markl, Michael
Published 2014

Assessment of transvalvular flow jet angle in aortic dilation patients using 4D flow jet shear layer detection method

by Garcia, Julio, Markl, Michael, van Ooij, Pim, Schnell, Susanne, Collins, Jeremy D, Malaisrie, SC, Carr, James C, Barker, Alex J
Published 2014

Impact of beta-blocker therapy on thoracic aorta 3D wall shear stress in patients with bicuspid aortic valve

by Allen, Bradley D, van Ooij, Pim, Barker, Alex J, Collins, Jeremy D, Carr, James C, Markl, Michael, Kansal, Preeti
Published 2014

Aortic flow and wall shear stress in aortic stenosis is associated with left ventricular remodeling

by von Knobelsdorff-Brenkenhoff, Florian, Karunaharamoorthy, Achudhan, Trauzeddel, Ralf F, Barker, Alex J, Blaszczyk, Edyta, Markl, Michael, Schulz-Menger, Jeanette
Published 2016

Improved assessment of aortic 3D blood flow with combined k-t accelerated 3D CINE bSSFP & 4D flow MRI

by Jarvis, Kelly B, Wu, Can, Giri, Shivraman, Schnell, Susanne, Barker, Alex J, Collins, Jeremy D, Carr, James C, Markl, Michael
Published 2016

Non-invasive determination by cardiovascular magnetic resonance of right ventricular-vascular coupling in children and adolescents with pulmonary hypertension

by Truong, Uyen, Patel, Sonali, Kheyfets, Vitaly, Dunning, Jamie, Fonseca, Brian, Barker, Alex J., Ivy, Dunbar, Shandas, Robin, Hunter, Kendall
Published 2015

Altered Right Ventricular Kinetic Energy Work Density and Viscous Energy Dissipation in Patients with Pulmonary Arterial Hypertension: A Pilot Study Using 4D Flow MRI

by Han, Q. Joyce, Witschey, Walter R. T., Fang-Yen, Christopher M., Arkles, Jeffrey S., Barker, Alex J., Forfia, Paul R., Han, Yuchi
Published 2015

From unicuspid to quadricuspid: the impact of aortic valve morphology on 3D hemodynamics

by Entezari, Pegah, Schnell, Susanne, Mahadevia, Riti J, Rinewalt, Daniel, Davarpanah, Amir H, Malaisrie, SC, McCarthy, Patrick, Collins, Jeremy, Carr, James, Markl, Michael, Barker, Alex J
Published 2013

4D flow MRI demonstrates altered aortic hemodynamics in patients with right-left and right-noncoronary bicuspid aortic valve fusion patterns

by Mahadevia, Riti J, Schnell, Susanne, Entezari, Pegah, Rinewalt, Daniel, Kansal, Preeti, Malaisrie, SC, McCarthy, Patrick, Collins, Jeremy, Carr, James, Barker, Alex J, Markl, Michael
Published 2013