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S. Vijayakumar · SciRah

Researcher profile · Semantic Scholar

S. Vijayakumar

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S. Vijayakumar — researcher profile on SciRah

h-index: 16
Works: 79
Citations: 2,011

Most-cited papers

Left Atrial Strain and Strain Rate in Patients With Paroxysmal and Persistent Atrial Fibrillation: Relationship to Left Atrial Structural Remodeling Detected by Delayed-Enhancement MRI
Suman S. Kuppahally, N. Akoum, Nathan S. Burgon, Troy J. Badger +10 more
2010Circulation Cardiovascular Imaging651 citations
Semantic Scholar
k‐t GRAPPA: A k‐space implementation for dynamic MRI with high reduction factor
F. Huang, J. Akao, S. Vijayakumar, George Randall Duensing +1 more
2005Magnetic Resonance in Medicine230 citations
Semantic Scholar
A software channel compression technique for faster reconstruction with many channels.
F. Huang, S. Vijayakumar, Yu Y. Li, S. Hertel +1 more
2008Magnetic Resonance Imaging173 citations
Semantic Scholar
REAL TIME MRI GUIDED RADIOFREQUENCY ATRIAL ABLATION AND VISUALIZATION OF LESION FORMATION AT 3-TESLA
G. Vergara, S. Vijayakumar, E. Kholmovski, Joshua Blauer +9 more
2010Heart Rhythm129 citations Open access
Semantic Scholar
Dark Regions of No-Reflow on Late Gadolinium Enhancement Magnetic Resonance Imaging Result in Scar Formation After Atrial Fibrillation Ablation
C. McGann, E. Kholmovski, Joshua Blauer, S. Vijayakumar +13 more
2011Journal of the American College of Cardiology111 citations Open access
Semantic Scholar
Temporal left atrial lesion formation after ablation of atrial fibrillation.
Troy J. Badger, R. Oakes, Marcos Daccarett, N. Burgon +10 more
2009Heart Rhythm107 citations
Semantic Scholar
Magnetic Resonance Imaging‐Confirmed Ablative Debulking of the Left Atrial Posterior Wall and Septum for Treatment of Persistent Atrial Fibrillation: Rationale and Initial Experience
Nathan M. Segerson, Marcos Daccarett, Troy J. Badger, Akram Shabaan +10 more
2010Cardiovascular Electrophysiology106 citations
Semantic Scholar
Identification and Acute Targeting of Gaps in Atrial Ablation Lesion Sets using a Real Time MRI System
R. Ranjan, E. Kholmovski, Joshua Blauer, S. Vijayakumar +5 more
2012Circulation: Arrhythmia and Electrophysiology97 citations Open access
Semantic Scholar
Surgical stabilization of severe rib fractures decreases incidence of retained hemothorax and empyema.
Sarah Majercik, S. Vijayakumar, Griffin H. Olsen, E. Wilson +4 more
2015American Journal of Surgery67 citations
Semantic Scholar
Arrhythmia insensitive rapid cardiac T1 mapping pulse sequence
Michelle Fitts, E. Breton, E. Kholmovski, D. Dosdall +6 more
2013Journal of Cardiovascular Magnetic Resonance61 citations Open access
Semantic Scholar
High‐pass GRAPPA: An image support reduction technique for improved partially parallel imaging
F. Huang, Yu Y. Li, S. Vijayakumar, S. Hertel +1 more
2008Magnetic Resonance in Medicine47 citations Open access
Semantic Scholar
An 11-Channel Radio Frequency Phased Array Coil for Magnetic Resonance Guided High Intensity Focused Ultrasound of the Breast
E. Minalga, A. Payne, R. Merrill, N. Todd +4 more
2012Magnetic Resonance in Medicine30 citations Open access
Semantic Scholar
Surgeon and hospital cost variability for septoplasty and inferior turbinate reduction
Andrew J. Thomas, J. Alt, Craig M Gale, S. Vijayakumar +4 more
2016International Forum of Allergy and Rhinology25 citations
Semantic Scholar
Self‐calibration method for radial GRAPPA/k‐t GRAPPA
F. Huang, S. Vijayakumar, Yu Y. Li, S. Hertel +2 more
2007Magnetic Resonance in Medicine20 citations
Semantic Scholar
Implementation of a Quality Improvement Initiative to Decrease Opioid Prescribing in General Surgery.
Liese C. Pruitt, D. Swords, S. Vijayakumar, Barbara Ostlund +4 more
2020Journal of Surgical Research18 citations
Semantic Scholar
Acute Non-Contrast T1-weighted MRI Predicts Chronic Radiofrequency Ablation Lesions
E. Kholmovski, Joshua Silvernagel, Nathan A. Angel, S. Vijayakumar +5 more
2018Cardiovascular Electrophysiology16 citations Open access
Semantic Scholar
Improved partial k-space reconstruction technique for dynamic myocardial perfusion MRI
S. Vijayakumar, F. Huang, E. DiBella
20052005 IEEE Engineering in Medicine and Biology 27th Annual Conference12 citations
Semantic Scholar
Arrhythmia insensitive rapid cardiac T1 mapping pulse sequence
Michelle Fitts, E. Breton, E. Kholmovski, D. Dosdall +6 more
2013Journal of Cardiovascular Magnetic Resonance11 citations Open access
Semantic Scholar
A semi-automatic software package for analysis of dynamic contrast-enhanced MRI myocardial perfusion studies
N. Pack, S. Vijayakumar, T. H. Kim, C. McGann +1 more
2009International Conference on Computing in Cardiology9 citations
Semantic Scholar
Post-Contrast Myocardial T1 and ECV Disagree in a Longitudinal Canine Study
M. Koopmann, Kyungpyo Hong, E. Kholmovski, Eric C. Huang +7 more
2014NMR in Biomedicine8 citations Open access
Semantic Scholar
A 20-channel coil for improved magnetic resonance imaging of the optic nerve
E. Minalga, J. Rose, S. Choi, E. Jeong +4 more
2011Concepts in Magnetic Resonance Part B Magnetic Resonance Engineering8 citations Open access
Semantic Scholar
SAR simulation and the effect of mode coupling in a birdcage resonator
S. Reza, S. Vijayakumar, M. Limkeman, F. Huang +1 more
20077 citations Open access
Semantic Scholar
Software Compression for Partially Parallel Imaging with Multi-channels
F. Huang, S. Vijayakumar, James Akao
20052005 IEEE Engineering in Medicine and Biology 27th Annual Conference7 citations
Semantic Scholar
Dependence of image quality of late gadolinium enhancement MRI of left atrium on number of patients imaged: results of multi-center trial DECAAF
S. Vijayakumar, E. Kholmovski, Mark M Haslam, N. Burgon +1 more
2014Journal of Cardiovascular Magnetic Resonance6 citations Open access
Semantic Scholar
Visibility of RF ablation lesions in native T1-weighted MRI reduces with time after ablation
E. Kholmovski, R. Ranjan, Nathan A. Angel, S. Vijayakumar +1 more
2016Journal of Cardiovascular Magnetic Resonance5 citations Open access
Semantic Scholar
Real Time MRI Guided Radiofrequency Atrial Ablation and Visualization of Lesion Formation at 3-Tesla
G. Vergara, S. Vijayakumar, E. Kholmovski, Joshua Blauer +10 more
20105 citations
Semantic Scholar
Assessment of cardiac RF ablation lesions by DCE-MRI
S. Vijayakumar, R. Ranjan, Kyungpyo Hong, Daniel Kim +2 more
2014Journal of Cardiovascular Magnetic Resonance4 citations Open access
Semantic Scholar
Acute injury immediately post atrial fibrillation ablation defined by MRI
C. McGann, E. Kholmovski, Joshua Blauer, S. Vijayakumar +8 more
2010Journal of Cardiovascular Magnetic Resonance4 citations Open access
Semantic Scholar
Integration of MRI in evaluation and ablation of atrial fibrillation
Rob S. Macleod, E. Kholmovski, E. DiBella, R. Oakes +6 more
2008Computers in cardiology4 citations
Semantic Scholar
A multi-center trial of LGE-MRI of the left atrium
E. Kholmovski, K. Damal, N. Burgon, S. Vijayakumar +3 more
2013Journal of Cardiovascular Magnetic Resonance3 citations Open access
Semantic Scholar
Dependence of contrast to noise ratio between ablation scar and other tissues on patient heart rate and flip angle for late gadolinium enhancement imaging of the left atrium
S. Vijayakumar, E. Kholmovski, C. McGann, N. Marrouche
2012Journal of Cardiovascular Magnetic Resonance3 citations Open access
Semantic Scholar
New technologies to support catheter ablation of ..........
G. Vergara, Joshua Blauer, R. Ranjan, S. Vijayakumar +43 more
20113 citations
Semantic Scholar
Abstract 5664: Left Atrial Strain In Patients With Atrial Fibrillation: Relationship To Fibrosis By Delayed Enhancement-MRI
Suman S. Kuppahally, R. Oakes, Eric N. Fish, E. Kholmovski +5 more
20083 citations
Semantic Scholar
Reconstruction in image space using basis functions for partially parallel imaging.
Yu Y. Li, S. Vijayakumar, F. Huang
2008Magnetic Resonance Imaging3 citations
Semantic Scholar
Gradient weighted smoothing for MRI intensity correction
F. Huang, Hu Cheng, S. Vijayakumar
20052005 IEEE Engineering in Medicine and Biology 27th Annual Conference3 citations
Semantic Scholar
LATE GADOLINIUM ENHANCED MR IMAGES OF ACUTE ABLATION LESIONS SIGNIFICANTLY OVERESTIMATES THE CHRONIC SCAR VOLUME
R. Ranjan, E. Kholmovski, Joshua Silvernagel, S. Vijayakumar +1 more
20142 citations Open access
Semantic Scholar
ACUTE ASSESSMENT OF RADIOFREQUENCY ABLATION LESIONS IN MRI WITHOUT THE USE OF GADOLINIUM BASED CONTRAST
R. Ranjan, E. Kholmovski, Joshua Silvernagel, S. Vijayakumar +1 more
20142 citations Open access
Semantic Scholar
Dependence of image quality of LGE-MRI of the left atrium on the acceptance rate of respiratory navigator and acquisition time
S. Vijayakumar, Chankevin Tek, N. Burgon, C. McGann +2 more
2013Journal of Cardiovascular Magnetic Resonance2 citations Open access
Semantic Scholar
Dependence of scar contrast in LGE images on the time interval after contrast injection
S. Vijayakumar, E. Kholmovski, N. Marrouche
2011Journal of Cardiovascular Magnetic Resonance2 citations Open access
Semantic Scholar
Contrast Optimization for LGE imaging of Left Atrium
S. Vijayakumar, E. Kholmovski, N. Marrouche
20092 citations
Semantic Scholar
Change in scar visibility in LGE-MRI with time after RF ablation procedure
E. Kholmovski, S. Vijayakumar, A. Morris, R. Ranjan +1 more
2015Journal of Cardiovascular Magnetic Resonance1 citations Open access
Semantic Scholar
CINE-MRI to study the progress of disease in a chronic atrial fibrillation goat model
K. Werys, S. Vijayakumar, R. Ranjan, D. Dosdall +3 more
2013Journal of Cardiovascular Magnetic Resonance1 citations Open access
Semantic Scholar
A 28-channel coil array for improved imaging of the optic nerve
R. Merrill, J. Hadley, E. Minalga, E. Kholmovski +5 more
20121 citations
Semantic Scholar
Pulmonary vein stenosis detection by early cardiac magnetic resonance imaging post-atrial fibrillation ablation
Lowell Chang, D. Verma, E. Kholmovski, S. Vijayakumar +4 more
2012Journal of Cardiovascular Magnetic Resonance1 citations Open access
Semantic Scholar
A Novel ECG-gated MRA for Simultaneous Imaging of the Left Atrium and Esophagus in Patients with Atrial Fibrillation
E. Kholmovski, S. Vijayakumar, D. Sheffer, Lowell Chang +3 more
20121 citations
Semantic Scholar
Calculation of Optimal TI Value for 3 D LGE-MRI of the Left Atrium
E. Kholmovski, S. Vijayakumar, N. Marrouche
20121 citations
Semantic Scholar
Left atrial volume measurements before and after left atrial ablation for the treatment of atrial fibrillation
Jerry D Walker, S. Vijayakumar, E. Kholmovski, N. Burgon +4 more
2012Journal of Cardiovascular Magnetic Resonance1 citations Open access
Semantic Scholar
Application of blood pool contrast agent to visualize atrial lesion formation during RF ablation procedure
E. Kholmovski, S. Vijayakumar, R. Ranjan, Joshua Blauer +6 more
20111 citations
Semantic Scholar
Delayed-Enhancement MRI Atrial Fibrillation : Relationship to Left Atrial Structural Remodeling Detected Left Atrial Strain and Strain Rate in Patients With Paroxysmal and Persistent
F. Marrouche, V. Dibella, R. MacLeod, C. McGann +11 more
20101 citations
Semantic Scholar
3 D hybrid radial acquisition with compressed sensing for LGE imaging of left atrium : A simulation study
G. Adluru, S. Vijayakumar, N. Burgon, E. Kholmovski +2 more
20091 citations
Semantic Scholar

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