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J. Sykes · SciRah

Researcher profile · Semantic Scholar

J. Sykes

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J. Sykes — researcher profile on SciRah

h-index: 19
Works: 66
Citations: 1,254

Most-cited papers

Simultaneous MRI measurement of blood flow, blood volume, and capillary permeability in mammary tumors using two different contrast agents
E. Henderson, J. Sykes, D. Drost, H. Weinmann +2 more
2000Journal of Magnetic Resonance Imaging153 citations
Semantic Scholar
Detection and quantification of myocardial reperfusion hemorrhage using T2*-weighted CMR.
Andreas Kumar, Jordin D. Green, J. Sykes, P. Ephrat +4 more
2011JACC Cardiovascular Imaging105 citations Open access
Semantic Scholar
The determination of myocardial viability using Gd‐DTPA in a canine model of acute myocardial ischemia and reperfusion
R. S. Pereira, F. Prato, G. Wisenberg, J. Sykes
1996Magnetic Resonance in Medicine102 citations
Semantic Scholar
Intramyocardial Hemorrhage and the “Wave-front” of Reperfusion Injury Compromising Myocardial Salvage
Ting Liu, A. Howarth, Yinyin Chen, Anand R. Nair +16 more
2022Journal of the American College of Cardiology93 citations Open access
Semantic Scholar
An investigation of the toxicity of gadolinium based MRI contrast agents using neutron activation analysis.
M. Bartolini, James J. Pekar, D. Chettle, Fiona E. McNeill +4 more
2003Magnetic Resonance Imaging75 citations
Semantic Scholar
Assessment of myocardial viability using MRI during a constant infusion of Gd‐DTPA: Further studies at early and late periods of reperfusion
R. S. Pereira, F. Prato, J. Sykes, G. Wisenberg
1999Magnetic Resonance in Medicine70 citations Open access
Semantic Scholar
Determining the minimum number of detectable cardiac-transplanted 111In-tropolone-labelled bone-marrow-derived mesenchymal stem cells by SPECT
Yuan Jin, Hua-Fu Kong, R. Stodilka, R. Wells +4 more
2005Physics in Medicine and Biology61 citations
Semantic Scholar
Intramyocardial hemorrhage drives fatty degeneration of infarcted myocardium
Ivan Cokic, S. Chan, Xingmin Guan, Anand R. Nair +24 more
2022Nature Communications45 citations Open access
Semantic Scholar
The use of Gd-DTPA as a marker of myocardial viability in reperfused acute myocardial infarction
R. S. Pereira, F. Prato, G. Wisenberg, J. Sykes +1 more
2001The International Journal of Cardiovascular Imaging40 citations
Semantic Scholar
Contrast‐enhanced MRI for the assessment of myocardial viability after permanent coronary artery occlusion
R. S. Pereira, F. Prato, Katie S. Lekx, J. Sykes +1 more
2000Magnetic Resonance in Medicine40 citations Open access
Semantic Scholar
Comparison of Initial Cell Retention and Clearance Kinetics After Subendocardial or Subepicardial Injections of Endothelial Progenitor Cells in a Canine Myocardial Infarction Model
Andrea J. Mitchell, E. Sabondjian, J. Sykes, L. Deans +5 more
2010Journal of Nuclear Medicine39 citations Open access
Semantic Scholar
Myocardial viability imaging using Gd‐DTPA: Physiological modeling of infarcted myocardium, and impact on injection strategy and imaging time
G. R. Moran, R. Thornhill, J. Sykes, F. Prato
2002Magnetic Resonance in Medicine39 citations Open access
Semantic Scholar
In Vivo SPECT Quantification of Transplanted Cell Survival After Engraftment Using 111In-Tropolone in Infarcted Canine Myocardium
Kimberley J. Blackwood, B. Lewden, R. Wells, J. Sykes +3 more
2009Journal of Nuclear Medicine35 citations Open access
Semantic Scholar
Journal of Cardiovascular Magnetic Resonance Open Access Cell Tracking and Therapy Evaluation of Bone Marrow Monocytes and Stromal Cells Using Spect and Cmr in a Canine Model of Myocardial Infarction
G. Wisenberg, K. Lekx, P. Zabel, Hua-Fu Kong +14 more
34 citations
Semantic Scholar
Gd‐DTPA bolus tracking in the myocardium using T1 fast acquisition relaxation mapping (T1 FARM)
Deanna D. Bellamy, R. S. Pereira, C. McKenzie, F. Prato +3 more
2001Magnetic Resonance in Medicine28 citations Open access
Semantic Scholar
Determining the extent to which delayed‐enhancement images reflect the partition‐coefficient of Gd‐DTPA in canine studies of reperfused and unreperfused myocardial infarction
R. Thornhill, F. Prato, G. Wisenberg, G. R. Moran +1 more
2004Magnetic Resonance in Medicine26 citations
Semantic Scholar
Examining a canine model of stunned myocardium with Gd‐DTPA‐enhanced MRI
R. Thornhill, F. Prato, R. S. Pereira, G. Wisenberg +1 more
2001Magnetic Resonance in Medicine24 citations
Semantic Scholar
Arterial CO2 as a Potent Coronary Vasodilator: A Preclinical PET/MR Validation Study with Implications for Cardiac Stress Testing
Hsin-Jung Yang, D. Dey, J. Sykes, M. Klein +18 more
2017Journal of Nuclear Medicine22 citations Open access
Semantic Scholar
Can the Inflammatory Response Be Evaluated Using 18F-FDG Within Zones of Microvascular Obstruction After Myocardial Infarction?
F. Prato, J. Butler, J. Sykes, L. Keenliside +6 more
2015Journal of Nuclear Medicine22 citations Open access
Semantic Scholar
[18F]FDG cardiac PET imaging in a canine model of radiation-induced cardiovascular disease associated with breast cancer radiotherapy.
O. El-Sherif, I. Xhaferllari, J. Sykes, J. Butler +10 more
2019American Journal of Physiology. Heart and Circulatory Physiology17 citations Open access
Semantic Scholar
Journal of Cardiovascular Magnetic Resonance the Partition Coefficient of Gd-dtpa Reflects Maintained Tissue Viability in a Canine Model of Chronic Significant Coronary Stenosis
K. Lekx, F. Prato, J. Sykes, G. Wisenberg
17 citations
Semantic Scholar
A comparison of MR-based attenuation correction in PET versus SPECT
H. Marshall, R. Z. Stodilka, J. Théberge, E. Sabondjian +5 more
2011Physics in Medicine and Biology16 citations Open access
Semantic Scholar
Accurate needle-free assessment of myocardial oxygenation for ischemic heart disease in canines using magnetic resonance imaging
Hsin-Jung Yang, Ilkay Oksuz, D. Dey, J. Sykes +13 more
2019Science Translational Medicine14 citations Open access
Semantic Scholar
Heart Rate-Independent 3D Myocardial Blood Oxygen Level-Dependent MRI at 3.0 T with Simultaneous 13N-Ammonia PET Validation.
Hsin-Jung Yang, D. Dey, J. Sykes, J. Butler +9 more
2020Radiology13 citations Open access
Semantic Scholar
Quantification of regional myocardial blood flow in a canine model of stunned and infarcted myocardium: comparison of rubidium-82 positron emission tomography with microspheres
K. Lekx, R. deKemp, R. Beanlands, G. Wisenberg +8 more
2010Nuclear medicine communications13 citations
Semantic Scholar
Comparison of the myocardial clearance of endothelial progenitor cells injected early versus late into reperfused or sustained occlusion myocardial infarction
Andrea J. Mitchell, E. Sabondjian, Kimberley J. Blackwood, J. Sykes +5 more
2012The International Journal of Cardiovascular Imaging11 citations Open access
Semantic Scholar
3D versus 2D dynamic 82Rb myocardial blood flow imaging in a canine model of stunned and infarcted myocardium
K. Lekx, R. deKemp, R. Beanlands, G. Wisenberg +8 more
2010Nuclear medicine communications11 citations
Semantic Scholar
Assessment of intramyocardial hemorrhage with dark-blood T2*-weighted cardiovascular magnetic resonance
Xingmin Guan, Yinyin Chen, Hsin-Jung Yang, Xin-Heng Zhang +7 more
2021Journal of Cardiovascular Magnetic Resonance10 citations Open access
Semantic Scholar
Complexities of Atrial Fibrosis Imaging: Exploring Relationships Between Endocardial Voltage, Extracellular Volume, and Sympathetic Innervation.
Benjamin Wilk, Heeseung Lim, Justin Hicks, Rebecca Sullivan +7 more
2025JACC Clinical Electrophysiology8 citations Open access
Semantic Scholar
Tracking the progress of inflammation with PET/MRI in a canine model of myocardial infarction
B. Wilk, H. Smailovic, G. Wisenberg, J. Sykes +4 more
2021Journal of Nuclear Cardiology8 citations
Semantic Scholar
Hybrid SPECT/cardiac-gated first-pass perfusion CT: locating transplanted cells relative to infarcted myocardial targets.
E. Sabondjian, Andrea J. Mitchell, G. Wisenberg, James A. White +5 more
2012Contrast Media & Molecular Imaging8 citations
Semantic Scholar
Similar long-term cardiovascular effects of propofol or isoflurane anesthesia during ischemia/ reperfusion in dogs
Kerry Thompson, G. Wisenberg, J. Sykes, R. Thompson
2002Canadian Journal of Anaesthesia-journal Canadien D Anesthesie8 citations Open access
Semantic Scholar
Design, Synthesis, and Preclinical Evaluation of a High-Affinity 18F-Labeled Radioligand for Myocardial Growth Hormone Secretagogue Receptor Before and After Myocardial Infarction
Rebecca Sullivan, Jinqiang Hou, Li-Hai Yu, Benjamin Wilk +11 more
2024Journal of Nuclear Medicine6 citations
Semantic Scholar
Controlled reperfusion after myocardial ischemia in a canine model monitored by two-dimensional phosphorus 31 chemical shift spectroscopic imaging.
Constance M. Campbell, G. Wisenberg, J. Sykes, R. Thompson
1997American Heart Journal6 citations
Semantic Scholar
Changes in myocardial blood flow in a canine model of left sided breast cancer radiotherapy
O. Chau, O. El-Sherif, M. Mouawad, J. Sykes +7 more
2023PLoS ONE5 citations Open access
Semantic Scholar
Simultaneous measurements of myocardial glucose metabolism and extracellular volumes with hybrid PET/MRI using concurrent injections of Gd-DTPA and [18F]FDG
H. Smailovic, B. Wilk, G. Wisenberg, J. Sykes +4 more
2021Journal of Nuclear Cardiology5 citations Open access
Semantic Scholar
Comparison of the detection of subtle changes in myocardial regional systolic function using qualitative and semi-quantitative techniques.
K. Lekx, Maryam Fathimani, Y. Bureau, G. Wisenberg +2 more
2006Journal of Cardiovascular Magnetic Resonance5 citations
Semantic Scholar
Noninvasive assessment of pharmaceutical intervention during myocardial ischemia-reperfusion in a canine model using two-dimensional 31P chemical shift imaging.
Constance M. Campbell, G. Wisenberg, J. Sykes, R. Thompson
1998Biochemistry and cell biology = Biochimie et biologie cellulaire5 citations
Semantic Scholar
Assessment of left atrial fibrosis progression in canines following rapid ventricular pacing using 3D late gadolinium enhanced CMR images
Nadia A. Farrag, R. Thornhill, F. Prato, A. Skanes +6 more
2022PLoS ONE4 citations Open access
Semantic Scholar
Long-term Magnetic Resonance Imaging/Spectroscopy Study of Cariporide in a Canine Cardiac Ischemia/Reperfusion Model
Kerry Thompson, Robert T. Thompson, J. Sykes, G. Wisenberg
2003Journal of Cardiovascular Pharmacology4 citations Open access
Semantic Scholar
MR-based whole-body PET attenuation correction in hybrid PET/MRI: A computationally inexpensive algorithm for T1, T2, and proton density weighted images
H. Marshall, R. Stodilka, B. Lewden, J. Théberge +6 more
20102 citations
Semantic Scholar
WE-FG-202-06: The Use of Hybrid PET MRI for Identifying the Presence of Cardiac Inflammation Following External Beam Irradiation.
O. El-Sherif, I. Xhaferllari, J. Sykes, J. Butler +4 more
2016Medical Physics (Lancaster)1 citations
Semantic Scholar
Towards reliable myocardial blood-oxygen-level-dependent (BOLD) CMR using late effects of regadenoson with simultaneous 13n-ammonia pet validation in a whole-body hybrid PET/MR system
Hsin-Jung Yang, D. Dey, J. Sykes, J. Butler +6 more
2016Journal of Cardiovascular Magnetic Resonance1 citations Open access
Semantic Scholar
TU-G-BRA-08: BEST IN PHYSICS (JOINT IMAGING-THERAPY): Hybrid PET-MRI Imaging of Acute Radiation Induced Cardiac Toxicity
O. El-Sherif, I. Xhaferllari, J. Sykes, J. Butler +3 more
20151 citations
Semantic Scholar
Influence of Microvascular Obstruction on Cellular Inflammation During Early Stages of Acute Myocardial Infarction: Evaluation Using Hybrid Pet-MRI Imaging
James A. White, Martin Rajchl, J. Butler, J. Sykes +4 more
20131 citations
Semantic Scholar
Comparison of 111In Leakage from Labeled Endocardial and Epicardial Cells: Impact on Modeling Viability of Cells to Be Transplanted into Myocardium
Kimberley J. Blackwood, J. Sykes, L. Deans, G. Wisenberg +1 more
2011International Journal of Molecular Imaging1 citations Open access
Semantic Scholar
Use of multi-spectral MR data to generate an attenuation map for application to PET/MR hybrid imaging
H. Marshall, Robert Z. Stodilka, B. Lewden, J. Théberge +6 more
20091 citations
Semantic Scholar
The potential for determination of myocardial viability following reperfusion with Gd-DTPA enhanced MRI
G. Wisenberg, R. S. Pereira, F. Prato, J. Sykes
19961 citations Open access
Semantic Scholar
MP-470551-002 VOLTAGE MAPPING AND MRI FAIL TO PREDICT INTERSTITIAL FIBROSIS IN A CANINE MODEL OF ATRIAL FIBRILLATION
B. Wilk, Jonathan D. Thiessen, J. Sykes, Heather Biernaski +2 more
2024Heart Rhythm0 citations Open access
Semantic Scholar
Repeat Stimulation for Enabling Robust Myocardial BOLD MRI: Proof-of-Concept Using 2D BOLD-MRI
Hsin-Jung Yang, Ilkay Oksuz, D. Dey, J. Sykes +15 more
20190 citations
Semantic Scholar

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