Julien Grondin

Alumni

Academic Qualifications

Biography

Julien Grondin is an assistant professor of radiology at Columbia University. He received his Ph.D. at Paris VI University (Université Pierre et Marie Curie) in acoustical physics in 2010. His research focused on bone biomechanical characterization with quantitative ultrasound. He is now working on cardiac ultrasound imaging for myocardial elastography and electromechanical wave imaging.

Publications

Peer-reviewed articles

Myocardial Strain Imaging with Electrocardiogram-gated and Coherent Compounding for Early Diagnosis of Coronary Artery Disease

Julien Grondin
Changhee Lee
Rachel Weber
Elisa Konofagou

Real-time passive acoustic mapping using sparse matrix multiplication

Hermes A. S. Kamimura
Shih-Ying Wu
Julien Grondin
Robin Ji
Christian Aurup
Wenlan Zheng
Marc Heidmann
Antonios N. Pouliopoulos
Elisa E. Konofagou

Compressed Sensing Reconstruction of Synthetic Transmit Aperture Dataset for Volumetric Diverging Wave Imaging

Yiran Chen
Jing Liu
Julien Grondin
Elisa Konofagou
Jianwen Luo

Non-Invasive Characterization of Focal Arrhythmia with Electromechanical Wave Imaging In Vivo

Alexandre Costet
Elaine Wan
Lea Melki
Ethan Bunting
Julien Grondin
Hasan Garan
Elisa Konofagou

Efficient Blood-Brain Barrier Opening in Primates with Neuronavigation-Guided Ultrasound and Real-Time Acoustic Mapping

Shih-Ying Wu
Christian Aurup
Carlos Sierra Sanchez
Julien Grondin
Wenlan Zheng
Hermes Kamimura
Vincent P. Ferrera
Elisa E. Konofagou

Optimization of Transmit Parameters in Cardiac Strain Imaging with Full and Partial Aperture Coherent Compounding

Vincent Sayseng
Julien Grondin
Elisa Konofagou

Cardiac Lesion Mapping In Vivo Using Intracardiac Myocardial Elastography

Ethan Bunting
Clement Papadacci
Elaine Wan
Vincent Sayseng
Julien Grondin
Elisa Konofagou

Cardiac Strain Imaging With Coherent Compounding of Diverging Waves

Julien Grondin
Vincent Sayseng
Elisa Konofagou

Evaluation of Coronary Artery Disease Using Myocardial Elastography with Diverging Wave Imaging: Validation Against Myocardial Perfusion Imaging and Coronary Angiography

Julien Grondin
Marc Waase
Alok Gambhir
Ethan Bunting
Vincent Sayseng
Elisa Konofagou

Electromechanical Wave Imaging (EWI) Validation in All Four Cardiac Chambers with 3D Electroanatomic Mapping in Cannes In Vivo

Alexandre Costet
Elaine Wan
Ethan Bunting
Julien Grondin
Hasan Garan
Elisa Konofagou

Validation of Electromechanical Wave Imaging in a Canine Model During Pacing and Sinus Rhythm

Julien Grondin
Alexandre Costet
Ethan Bunting
Alok Gambhir
Hasan Garan
Elaine Wan
Elisa Konofagou

Atrial Electromechanical Cycle Length Mapping in Paced Canine Hearts In Vivo

Alexandre Costet
Ethan Bunting
Julien Grondin
Alok Gambhir
Elisa Konofagou

Non-contact, ultrasound-based indentation method for measuring elastic properties of biological tissues using Harmonic Motion Imaging (HMI)

Jonathan Vappou
Gary Y Hou
Fabrice Marquet
Danial Shahmirzadi
Julien Grondin
Elisa Konofagou

Intracardiac Myocardial Elastography in Canines and Humans In Vivo

Julien Grondin
Elaine Wan
Alok Gambhir
Hasan Garan
Elisa Konofagou

4D cardiac electromechanical activation imaging

Julien Grondin
Dafang Wang
Christopher S. Grubb
Natalia Trayanova
Elisa E. Konofagou

A Comparison Between Unfocused and Focused Transmit Strategies in Cardiac Strain Imaging

Vincent Sayseng
Julien Grondin
Rachel Weber
Elisa E. Konofagou

Real-time Monitoring of High Intensity Focused Ultrasound (HIFU) Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU)

Julien Grondin
Thomas Payen
Shutao Wang
Elisa E. Konofagou

Sparse Matrix Beamforming and Image Reconstruction for 2-D HIFU Monitoring Using Harmonic Motion Imaging for Focused Ultrasound (HMIFU) With In Vitro Validation

Gary Y. Hou
Jean Provost
Julien Grondin
Shutao Wang
Fabrice Marquet
Ethan Bunting
Elisa E. Konofagou

Catheter Ablation Lesion Visualization With Intracardiac Strain Imaging in Canines and Humans

Vincent Sayseng
Julien Grondin
Vasant Salgaonkar
Christopher S Grubb
Maryam Basij
Mohammad Mehrmohammadi
Vivek Iyer
Daniel Wang
Hasan Garan
Elaine Y. Wan
Elisa E. Konofagou

Real-time passive acoustic mapping using sparse matrix multiplication

Hermes A. S. Kamimura
Shih-Ying Wu
Julien Grondin
Robin Ji
Christian Aurup
Wenlan Zheng
Marc Heidmann
Antonios N. Pouliopoulos
Elisa E. Konofagou

Catheter Ablation Lesion Visualization With Intracardiac Strain Imaging in Canines and Humans

Vincent Sayseng
Julien Grondin
Vasant Salgaonkar
Christopher S Grubb
Maryam Basij
Mohammad Mehrmohammadi
Vivek Iyer
Daniel Wang
Hasan Garan
Elaine Y. Wan
Elisa E. Konofagou

Conference abstracts and proceedings

AHA 2021: Full 3D Single Heartbeat Electromechanical Wave Imaging Of The Heart In Vivo With Coherent Compounding Of Diverging Waves

Julien Grondin
Rachel Weber
Elisa Konofagou

ASA 2020: Using singular value distribution of backscattered ultrasound waves for tracking the pulmonary edema caused by COVID-19 in lung: A phantom-based study

Omid Yousefian
Julien Grondin
Elisa Konofagou

AAPM 2019: Myocardial Elastography and 3D Electromechanical Wave Imaging of the Heart

Grondin J.

IUS 2019: Imaging of pulse wave propagation coupled with vector flow and wall shear stress mapping in atherosclerotic plaque phantoms and in vivo.

Grigorios Mario Karageorgos
Iason Zacharias Apostolakis
Pierre Elie Amedee Nauleau
Vittorio Gatti
Rachel Weber
Julien Grondin
Elisa E. Konofagou

AHA 2019: Stress Myocardial Elastography for Improved Ischemia and Infarction Detection

Jad El Harake
Vincent Ssayseng
Julien Grondin
Rachel Weber
Kathleen R Flaherty
Sabahat Bokhari
Elisa Konofagou

IUS 2019: 3D Myocardial Elastography with Coherent Compounding of Diverging Waves

Grondin J
Konofagou E.

AHA 2019: Catheter ablation lesion visualization with intracardiac strain imaging in canines and humans

Vincent Sayseng
Julien Grondin
Christopher S Grubb
Maryam Basij
Mohammad Mehrmohammadi
Vivek Iyer
Daniel Wang
Hasan Garan
Elaine Y Wan
Elisa Konofagou

IUS 2018: Ventricular tachycardia re-entry mapping with 3D electromechanical wave imaging

Julien Grondin
Christopher S. Grubb
Elisa E. Konofagou

ITEC 2018: 4-D Pulse Wave Imaging in the human Abdominal Aorta in-vivo

Grigorios Marios Karageorgos
Julien Grondin
Iason-Zacharias Apostolakis
Elisa E. Konofagou

IUS 2017: Comparison between fully and partially focused transmit strategies in transthoracic cardiac strain estimation

Vincent Sayseng
Julien Grondin
Elisa Konofagou

IUS 2017: 3-D Electromechanical Wave Imaging in the heart in silico and in vivo

Julien Grondin
Dafang Wang
Elaine Wan
Natalia Trayanova
Elisa Konofagou

ICU 2017: 3-D Electromechanical activation mapping of the heart in canines and humans in vivo

Julien Grondin
Dafang Wang
Natalia Trayanova
Elisa E. Konofagou

HRSS 2017: Three-dimensional cardiac electromechanical activation mapping with in silico validation

Julien Grondin
Dafang Wang
Natalia A. Trayanova
Elisa E. Konofagou

IUS 2016: 2D and 3D imaging of axial and lateral cardiac strain with coherent compounding of diverging waves in silico

Julien Grondin
Elisa E. Konofagou

IUS 2016: Optimization of transmit parameters for two- dimensional cardiac strain estimation with coherent compounding in silico, in vitro, and in vivo.

Vincent Sayseng
Julien Grondin
Clement Papadacci
Alexandre Coster
Elisa Konofagou

ITEC 2016: Optimization of transmit parameters for two-dimensional cardiac strain estimation with coherent compounding in silico, in vitro, and in vivo

Vincent Sayseng
Julien Grondin
Clement Papadacci
Alexandre Costet
Elisa Konofagou

IUS 2015: Validation of Electromechanical Wave Imaging in canine left ventricles against electrography

Julien Grondin
Alexandre Costet
Ethan Bunting
Alok Gambhir
Elaine Wan
Elisa E. Konofagou

ISBI 2015: Intracardiac Myocardial Elastography for Assessment of Right and Left Atrial Radiofrequency Ablation Lesions in Humans

Julien Grondin
Elaine Wan
Alok Gambhir
Hasan Garan
Elisa E. Konofagou

IUS 2015: Detection of Coronary Artery Disease with Myocardial Elastography with validation against myocardial perfusion imaging and coronary angiography

Julien Grondin
Marc Waase
Vincent Sayseng
Elisa Konofagou

ITEC 2014: COMPARISON OF DIVERGING WAVE AND PLANE WAVE FOR HARMONIC MOTION IMAGING (HMI) AND MONITORING OF HIFU TREATMENT IN REAL-TIME.

Julien Grondin
Shutao Wang
Elisa E. Konofagou

ASA 2013: Intracardiac Myocardial Elastography in humans in vivo during radio-frequency ablation

Julien Grondin
Elaine Wan
Alok Gambhir
Stanley Okrasinski
Hasan Garan
Elisa Konofagou

IUS 2014: Single-Heartbeat Myocardial Elastography in human subjects with Coronary Artery Disease

Julien Grondin
Stan Okrasinski
Ethan Bunting
Elisa Konofagou

IUS 2014: Harmonic Motion Imaging (HMI) and monitoring of HIFU treatment in real-time using diverging and plane wave

Julien Grondin
Shutao Wang
Elisa Konofagou

IUS 2013: Intracardiac Myocardial Elastography at high temporal resolution in canines and humans in vivo

Julien Grondin
Elaine Wan
Alok Gambhir
Hasan Garan
Elisa Konofagou