Works by Roldán-Alzate, Alejandro

Results: 37

Analysis of cavopulmonary and cardiac flow characteristics in fontan Patients: Comparison with healthy volunteers.

Published in:

2019

By:

Rutkowski, David R.;
Barton, Gregory;
François, Christopher J.;
Bartlett, Heather L.;
Anagnostopoulos, Petros V.;
Roldán‐Alzate, Alejandro;
Roldán-Alzate, Alejandro

Publication type:

journal article

Left and right ventricular kinetic energy using time-resolved versus time-average ventricular volumes.

Published in:

2017

By:

Hussaini, Syed F.;
Rutkowski, David R.;
Roldán‐Alzate, Alejandro;
François, Christopher J.;
Roldán-Alzate, Alejandro;
François, Christopher J

Publication type:

journal article

Pulmonary artery and lung parenchymal growth following early versus delayed stent interventions in a swine pulmonary artery stenosis model.

Published in:

Catheterization & Cardiovascular Interventions, 2020, v. 96, n. 7, p. 1454, doi. 10.1002/ccd.29326

By:

Pewowaruk, Ryan;
Hermsen, Joshua;
Johnson, Cody;
Erdmann, Alexandra;
Pettit, Kevin;
Aesif, Scott;
Ralphe, J. Carter;
Francois, Christopher J.;
Roldán‐Alzate, Alejandro;
Lamers, Luke

Publication type:

Article

Computational fluid dynamics of bladder voiding using 3D dynamic MRI.

Published in:

International Journal for Numerical Methods in Biomedical Engineering, 2024, v. 40, n. 9, p. 1, doi. 10.1002/cnm.3850

By:

Shahid, Labib;
Gonzalez‐Pereira, Juan Pablo;
Johnson, Cody;
Bushman, Wade;
Roldán‐Alzate, Alejandro

Publication type:

Article

Reference values for 4D flow magnetic resonance imaging of the portal venous system.

Published in:

Abdominal Radiology, 2023, v. 48, n. 6, p. 2049, doi. 10.1007/s00261-023-03892-3

By:

Huang, Andrew;
Roberts, Grant S.;
Roldán-Alzate, Alejandro;
Wieben, Oliver;
Reeder, Scott B.;
Oechtering, Thekla H.

Publication type:

Article

Abdominal applications of quantitative 4D flow MRI.

Published in:

Abdominal Radiology, 2022, v. 47, n. 9, p. 3229, doi. 10.1007/s00261-021-03352-w

By:

Oechtering, Thekla H.;
Roberts, Grant S.;
Panagiotopoulos, Nikolaos;
Wieben, Oliver;
Roldán-Alzate, Alejandro;
Reeder, Scott B.

Publication type:

Article

Characterization of mesenteric and portal hemodynamics using 4D flow MRI: the effects of meals and diurnal variation.

Published in:

Abdominal Radiology, 2022, v. 47, n. 6, p. 2106, doi. 10.1007/s00261-022-03513-5

By:

Roldán-Alzate, Alejandro;
Campo, Camilo A.;
Mao, Lu;
Said, Adnan;
Wieben, Oliver;
Reeder, Scott B.

Publication type:

Article

Non-invasive assessment of mesenteric hemodynamics in patients with suspected chronic mesenteric ischemia using 4D flow MRI.

Published in:

Abdominal Radiology, 2022, v. 47, n. 5, p. 1684, doi. 10.1007/s00261-020-02900-0

By:

Roberts, Grant S.;
François, Christopher J.;
Starekova, Jitka;
Roldán-Alzate, Alejandro;
Wieben, Oliver

Publication type:

Article

Comprehensive non-invasive analysis of lower urinary tract anatomy using MRI.

Published in:

Abdominal Radiology, 2021, v. 46, n. 4, p. 1670, doi. 10.1007/s00261-020-02808-9

By:

Anzia, Lucille E.;
Johnson, Cody J.;
Mao, Lu;
Hernando, Diego;
Bushman, Wade A.;
Wells, Shane A.;
Roldán-Alzate, Alejandro

Publication type:

Article

Estimating pulmonary arterial remodeling via an animal-specific computational model of pulmonary artery stenosis.

Published in:

Biomechanics & Modeling in Mechanobiology, 2024, v. 23, n. 5, p. 1469, doi. 10.1007/s10237-024-01850-6

By:

Kozitza, Callyn J.;
Colebank, Mitchel J.;
Gonzalez-Pereira, Juan Pablo;
Chesler, Naomi C.;
Lamers, Luke;
Roldán-Alzate, Alejandro;
Witzenburg, Colleen M.

Publication type:

Article

A distributed lumped parameter model of blood flow with fluid-structure interaction.

Published in:

Biomechanics & Modeling in Mechanobiology, 2021, v. 20, n. 5, p. 1659, doi. 10.1007/s10237-021-01468-y

By:

Pewowaruk, Ryan;
Roldán-Alzate, Alejandro

Publication type:

Article

Editorial for: Evaluation of 4D Flow MRI‐Derived Relative Residence Time as a Marker for Cirrhosis Associated Portal Vein Thrombosis.

Published in:

2024

By:

Roldán‐Alzate, Alejandro;
Reeder, Scott B.

Publication type:

Editorial

Impact of Acute Pulmonary Embolization on Arterial Stiffening and Right Ventricular Function in Dogs.

Published in:

Annals of Biomedical Engineering, 2013, v. 41, n. 1, p. 195, doi. 10.1007/s10439-012-0635-z

By:

Bellofiore, Alessandro;
Roldán-Alzate, Alejandro;
Besse, Matthieu;
Kellihan, Heidi;
Consigny, Daniel;
Francois, Christopher;
Chesler, Naomi

Publication type:

Article

Comparison of pulmonary artery dimensions in swine obtained from catheter angiography, multi-slice computed tomography, 3D-rotational angiography and phase-contrast magnetic resonance angiography.

Published in:

International Journal of Cardiovascular Imaging, 2021, v. 37, n. 2, p. 743, doi. 10.1007/s10554-020-02043-9

By:

Pewowaruk, Ryan;
Mendrisova, Klarka;
Larrain, Carolina;
Francois, Christopher J.;
Roldán-Alzate, Alejandro;
Lamers, Luke

Publication type:

Article

Fat mitigation strategies to improve image quality of radial 4D flow MRI in obese subjects.

Published in:

Magnetic Resonance in Medicine, 2023, v. 90, n. 2, p. 444, doi. 10.1002/mrm.29652

By:

Shamim, A. M. K. Muntasir;
Panagiotopoulos, Nikolaos;
Spahic, Alma;
Harris, David T.;
Roldán‐Alzate, Alejandro;
Wieben, Oliver;
Reeder, Scott B.;
Oechtering, Thekla Helene;
Johnson, Kevin M.

Publication type:

Article

Motion‐robust, blood‐suppressed, reduced‐distortion diffusion MRI of the liver.

Published in:

Magnetic Resonance in Medicine, 2023, v. 89, n. 3, p. 908, doi. 10.1002/mrm.29531

By:

Geng, Ruiqi;
Zhang, Yuxin;
Rice, James;
Muehler, Matthias R.;
Starekova, Jitka;
Rutkowski, David R.;
Uboha, Nataliya V.;
Pirasteh, Ali;
Roldán‐Alzate, Alejandro;
Guidon, Arnaud;
Hernando, Diego

Publication type:

Article

Surgical planning for living donor liver transplant using 4D flow MRI, computational fluid dynamics and in vitro experiments.

Published in:

Computer Methods in Biomechanics & Biomedical Engineering: Imaging & Visualisation, 2018, v. 6, n. 5, p. 545, doi. 10.1080/21681163.2017.1278619

By:

Rutkowski, David R.;
Reeder, Scott B.;
Fernandez, Luis A.;
Roldán-Alzate, Alejandro

Publication type:

Article

Solution adaptive refinement of cut‐cell Cartesian meshes can improve FDA nozzle computational fluid dynamics efficiency.

Published in:

International Journal for Numerical Methods in Biomedical Engineering, 2021, v. 37, n. 4, p. 1, doi. 10.1002/cnm.3432

By:

Pewowaruk, Ryan;
Li, Yanheng;
Rowinski, David;
Roldán‐Alzate, Alejandro

Publication type:

Article

Impaired regulation of portal venous flow in response to a meal challenge as quantified by 4D flow MRI.

Published in:

2015

By:

Roldán‐Alzate, Alejandro;
Frydrychowicz, Alex;
Said, Adnan;
Johnson, Kevin M.;
Francois, Christopher J.;
Wieben, Oliver;
Reeder, Scott B.

Publication type:

journal article

Impaired regulation of portal venous flow in response to a meal challenge as quantified by 4D flow MRI.

Published in:

2015

By:

Roldán‐Alzate, Alejandro;
Frydrychowicz, Alex;
Said, Adnan;
Johnson, Kevin M.;
Francois, Christopher J.;
Wieben, Oliver;
Reeder, Scott B.

Publication type:

journal article

Effect of temporal resolution on 4D flow MRI in the portal circulation.

Published in:

Journal of Magnetic Resonance Imaging, 2014, v. 39, n. 4, p. 819, doi. 10.1002/jmri.24233

By:

Landgraf, Benjamin R.;
Johnson, Kevin M.;
Roldán‐Alzate, Alejandro;
Francois, Christopher J.;
Wieben, Oliver;
Reeder, Scott B.

Publication type:

Article

In vivo validation of 4D flow MRI for assessing the hemodynamics of portal hypertension.

Published in:

Journal of Magnetic Resonance Imaging, 2013, v. 37, n. 5, p. spcone, doi. 10.1002/jmri.24201

By:

Roldán‐Alzate, Alejandro;
Frydrychowicz, Alex;
Niespodzany, Eric;
Landgraf, Ben R.;
Johnson, Kevin M.;
Wieben, Oliver;
Reeder, Scott B.

Publication type:

Article

In vivo validation of 4D flow MRI for assessing the hemodynamics of portal hypertension.

Published in:

Journal of Magnetic Resonance Imaging, 2013, v. 37, n. 5, p. 1100, doi. 10.1002/jmri.23906

By:

Roldán‐Alzate, Alejandro;
Frydrychowicz, Alex;
Niespodzany, Eric;
Landgraf, Ben R.;
Johnson, Kevin M.;
Wieben, Oliver;
Reeder, Scott B.

Publication type:

Article

Correction: In Vitro Assessment of Flow Variability in an Intracranial Aneurysm Model Using 4D Flow MRI and Tomographic PIV.

Published in:

2023

By:

Medero, Rafael;
Falk, Katrina;
Rutkowski, David;
Johnson, Kevin;
Roldán-Alzate, Alejandro

Publication type:

Correction Notice

Enhanced 4D Flow MRI-Based CFD with Adaptive Mesh Refinement for Flow Dynamics Assessment in Coarctation of the Aorta.

Published in:

Annals of Biomedical Engineering, 2022, v. 50, n. 8, p. 1001, doi. 10.1007/s10439-022-02980-7

By:

Shahid, Labib;
Rice, James;
Berhane, Haben;
Rigsby, Cynthia;
Robinson, Joshua;
Griffin, Lindsay;
Markl, Michael;
Roldán-Alzate, Alejandro

Publication type:

Article

Accelerated Estimation of Pulmonary Artery Stenosis Pressure Gradients with Distributed Lumped Parameter Modeling vs. 3D CFD with Instantaneous Adaptive Mesh Refinement: Experimental Validation in Swine.

Published in:

Annals of Biomedical Engineering, 2021, v. 49, n. 9, p. 2365, doi. 10.1007/s10439-021-02780-5

By:

Pewowaruk, Ryan;
Lamers, Luke;
Roldán-Alzate, Alejandro

Publication type:

Article

Longitudinal Evolution of Pulmonary Artery Wall Shear Stress in a Swine Model of Pulmonary Artery Stenosis and Stent Interventions.

Published in:

Annals of Biomedical Engineering, 2021, v. 49, n. 6, p. 1477, doi. 10.1007/s10439-020-02696-6

By:

Pewowaruk, Ryan;
Lamers, Luke;
Roldán-Alzate, Alejandro

Publication type:

Article

In Vitro Assessment of Flow Variability in an Intracranial Aneurysm Model Using 4D Flow MRI and Tomographic PIV.

Published in:

Annals of Biomedical Engineering, 2020, v. 48, n. 10, p. 2484, doi. 10.1007/s10439-020-02543-8

By:

Medero, Rafael;
Ruedinger, Katrina;
Rutkowski, David;
Johnson, Kevin;
Roldán-Alzate, Alejandro

Publication type:

Article

4D Flow MRI Estimation of Boundary Conditions for Patient Specific Cardiovascular Simulation.

Published in:

Annals of Biomedical Engineering, 2019, v. 47, n. 8, p. 1786, doi. 10.1007/s10439-019-02285-2

By:

Pewowaruk, Ryan;
Roldán-Alzate, Alejandro

Publication type:

Article

Comparison of 4D Flow MRI and Particle Image Velocimetry Using an In Vitro Carotid Bifurcation Model.

Published in:

Annals of Biomedical Engineering, 2018, v. 46, n. 12, p. 2112, doi. 10.1007/s10439-018-02109-9

By:

Medero, Rafael;
Hoffman, Carson;
Roldán-Alzate, Alejandro

Publication type:

Article

Enhancement of cerebrovascular 4D flow MRI velocity fields using machine learning and computational fluid dynamics simulation data.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-89636-z

By:

Rutkowski, David R.;
Roldán-Alzate, Alejandro;
Johnson, Kevin M.

Publication type:

Article

Clinical Applications of 4D Flow MRI in the Portal Venous System.

Published in:

Magnetic Resonance in Medical Sciences, 2022, v. 21, n. 2, p. 340, doi. 10.2463/mrms.rev.2021-0105

By:

Oechtering, Thekla H.;
Roberts, Grant S.;
Panagiotopoulos, Nikolaos;
Wieben, Oliver;
Reeder, Scott B.;
Roldán-Alzate, Alejandro

Publication type:

Article

Characterization and correction of cardiovascular motion artifacts in diffusion‐weighted imaging of the pancreas.

Published in:

Magnetic Resonance in Medicine, 2021, v. 86, n. 4, p. 1956, doi. 10.1002/mrm.28846

By:

Geng, Ruiqi;
Zhang, Yuxin;
Starekova, Jitka;
Rutkowski, David R.;
Estkowski, Lloyd;
Roldán‐Alzate, Alejandro;
Hernando, Diego

Publication type:

Article

A phantom study comparing radial trajectories for accelerated cardiac 4D flow MRI against a particle imaging velocimetry reference.

Published in:

Magnetic Resonance in Medicine, 2021, v. 86, n. 1, p. 363, doi. 10.1002/mrm.28698

By:

Corrado, Philip A.;
Medero, Rafael;
Johnson, Kevin M.;
François, Christopher J.;
Roldán-Alzate, Alejandro;
Wieben, Oliver

Publication type:

Article

Vascular input function correction of inflow enhancement for improved pharmacokinetic modeling of liver DCE‐MRI.

Published in:

Magnetic Resonance in Medicine, 2018, v. 79, n. 6, p. 3093, doi. 10.1002/mrm.26988

By:

Ning, Jia;
Schubert, Tilman;
Johnson, Kevin M.;
Roldán‐Alzate, Alejandro;
Chen, Huijun;
Yuan, Chun;
Reeder, Scott B.

Publication type:

Article

Four-dimensional flow assessment of pulmonary artery flow and wall shear stress in adult pulmonary arterial hypertension: Results from two institutions.

Published in:

Magnetic Resonance in Medicine, 2015, v. 73, n. 5, p. 1904, doi. 10.1002/mrm.25326

By:

Barker, Alex J.;
Roldán‐Alzate, Alejandro;
Entezari, Pegah;
Shah, Sanjiv J.;
Chesler, Naomi C.;
Wieben, Oliver;
Markl, Michael;
François, Christopher J.

Publication type:

Article

A pilot study of bladder voiding with real-time MRI and computational fluid dynamics.

Published in:

PLoS ONE, 2020, v. 15, n. 11, p. 1, doi. 10.1371/journal.pone.0238404

By:

Pewowaruk, Ryan;
Rutkowski, David;
Hernando, Diego;
Kumapayi, Bunmi B.;
Bushman, Wade;
Roldán-Alzate, Alejandro

Publication type:

Article