Walter R. Witschey, Ph.D. - Publications

Affiliations: 
2009 University of Pennsylvania, Philadelphia, PA, United States 
Area:
General Biophysics

65 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2024 Swago S, Wilson NE, Elliott MA, Reddy Nanga RP, Reddy R, Witschey WR. Quantification of NAD T and T relaxation times using downfield H MRS at 7 T in human brain in vivo. Biorxiv : the Preprint Server For Biology. PMID 38464048 DOI: 10.1101/2024.02.27.582276  0.606
2024 Chae A, Yao MS, Sagreiya H, Goldberg AD, Chatterjee N, MacLean MT, Duda J, Elahi A, Borthakur A, Ritchie MD, Rader D, Kahn CE, Witschey WR, Gee JC. Strategies for Implementing Machine Learning Algorithms in the Clinical Practice of Radiology. Radiology. 310: e223170. PMID 38259208 DOI: 10.1148/radiol.223170  0.463
2023 Nanga RPR, Elliott MA, Swain A, Wilson NE, Swago S, Witschey WR, Reddy R. Identification of new resonances in downfield H MRS of human calf muscle in vivo: Potentially metabolite precursors for skeletal muscle NAD. Magnetic Resonance in Medicine. PMID 37125620 DOI: 10.1002/mrm.29687  0.589
2023 Swago S, Elliott MA, Nanga RPR, Wilson NE, Cember A, Reddy R, Witschey WR. Quantification of cross-relaxation in downfield H MRS at 7 T in human calf muscle. Magnetic Resonance in Medicine. PMID 36807934 DOI: 10.1002/mrm.29615  0.592
2022 Nanga RPR, Elliott MA, Swain A, Wilson N, Swago S, Soni ND, Witschey WR, Reddy R. Identification of l-Tryptophan by down-field H MRS: A precursor for brain NAD and serotonin syntheses. Magnetic Resonance in Medicine. PMID 36005819 DOI: 10.1002/mrm.29414  0.58
2021 MacLean MT, Jehangir Q, Vujkovic M, Ko YA, Litt H, Borthakur A, Sagreiya H, Rosen M, Mankoff DA, Schnall MD, Shou H, Chirinos J, Damrauer SM, Torigian DA, Carr R, ... ... Witschey WR, et al. Quantification of abdominal fat from computed tomography using deep learning and its association with electronic health records in an academic biobank. Journal of the American Medical Informatics Association : Jamia. PMID 33576413 DOI: 10.1093/jamia/ocaa342  0.451
2020 Moon BF, Iyer SK, Hwuang E, Solomon MP, Hall AT, Kumar R, Josselyn NJ, Higbee-Dempsey EM, Tsourkas A, Imai A, Okamoto K, Saito Y, Pilla JJ, Gorman JH, Gorman RC, ... ... Witschey WR, et al. Iron imaging in myocardial infarction reperfusion injury. Nature Communications. 11: 3273. PMID 32601301 DOI: 10.1038/S41467-020-16923-0  0.344
2020 Song JW, Moon BF, Burke MP, Kamesh Iyer S, Elliott MA, Shou H, Messѐ SR, Kasner SE, Loevner LA, Schnall MD, Kirsch JE, Witschey WR, Fan Z. MR Intracranial Vessel Wall Imaging: A Systematic Review. Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging. PMID 32391979 DOI: 10.1111/Jon.12719  0.334
2020 Diaz SV, Katz LE, Gidding S, Witschey W, Capella C, Litt H. 154-LB: Cardiac MRI Findings in Young Adults with Childhood-Onset Type 2 Diabetes Diabetes. 69. DOI: 10.2337/Db20-154-Lb  0.34
2019 Stein EJ, Perkons NR, Wildenberg JC, Iyer SK, Hunt SJ, Nadolski GJ, Witschey WR, Gade TP. MR Imaging Enables Real-Time Monitoring of In Vitro Electrolytic Ablation of Hepatocellular Carcinoma. Journal of Vascular and Interventional Radiology : Jvir. PMID 31748127 DOI: 10.1016/J.Jvir.2019.07.030  0.387
2019 Song JW, Guiry SC, Shou H, Wang S, Witschey WR, Messé SR, Kasner SE, Loevner LA. Qualitative Assessment and Reporting Quality of Intracranial Vessel Wall MR Imaging Studies: A Systematic Review. Ajnr. American Journal of Neuroradiology. PMID 31727743 DOI: 10.3174/Ajnr.A6317  0.301
2019 Bagga P, Hariharan H, Wilson NE, Beer JC, Shinohara RT, Elliott MA, Baur JA, Marincola FM, Witschey WR, Haris M, Detre JA, Reddy R. Single-Voxel H MR spectroscopy of cerebral nicotinamide adenine dinucleotide (NAD ) in humans at 7T using a 32-channel volume coil. Magnetic Resonance in Medicine. PMID 31502710 DOI: 10.1002/Mrm.27971  0.74
2019 Kamesh Iyer S, Moon B, Hwuang E, Han Y, Solomon M, Litt H, Witschey WR. Accelerated free-breathing 3D T1ρ cardiovascular magnetic resonance using multicoil compressed sensing. Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society For Cardiovascular Magnetic Resonance. 21: 5. PMID 30626437 DOI: 10.1186/S12968-018-0507-2  0.351
2019 Chirinos JA, Akers SR, Schelbert E, Snyder BS, Witschey WR, Jacob RM, Jamis-Dow C, Ansari B, Lee J, Segers P, Schnall M, Cavalcante JL. Arterial Properties as Determinants of Left Ventricular Mass and Fibrosis in Severe Aortic Stenosis: Findings From ACRIN PA 4008. Journal of the American Heart Association. 8: e03742. PMID 30590991 DOI: 10.1161/Jaha.118.010271  0.343
2018 Sardana M, Hashmath Z, Oldland G, Miller R, Satija V, Ansari B, Lee J, Bhuva R, Husain A, Mustafa A, Witschey W, Akers S, Chirinos J. P2747Left atrial longitudinal strain, left atrial size and left ventricular remodeling: implications for heart failure and preserved ejection fraction European Heart Journal. 39. DOI: 10.1093/Eurheartj/Ehy565.P2747  0.31
2018 Sardana M, Hashmath Z, Oldland G, Suri A, Miller R, Satija V, Ansari B, Lee J, Mustafa A, Witschey W, Akers S, Chirinos J. P4680Left ventricular strain by cardiac magnetic resonance feature-tracking is a strong predictor of incident cardiovascular events European Heart Journal. 39. DOI: 10.1093/Eurheartj/Ehy563.P4680  0.334
2017 Stoffers RH, Madden M, Shahid M, Contijoch F, Solomon J, Pilla JJ, Gorman JH, Gorman RC, Witschey WR. Erratum to: Assessment of myocardial injury after reperfused infarction by T1ρ cardiovascular magnetic resonance. Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society For Cardiovascular Magnetic Resonance. 19: 42. PMID 28347308 DOI: 10.1186/s12968-017-0354-6  0.743
2017 Stoffers RH, Madden M, Shahid M, Contijoch F, Solomon J, Pilla JJ, Gorman JH, Gorman RC, Witschey WR. Assessment of myocardial injury after reperfused infarction by T1ρ cardiovascular magnetic resonance. Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society For Cardiovascular Magnetic Resonance. 19: 17. PMID 28196494 DOI: 10.1186/S12968-017-0332-Z  0.749
2016 Muser D, Liang JJ, Witschey WR, Pathak RK, Castro S, Magnani S, Zado ES, Garcia FC, Desjardins B, Callans DJ, Frankel DS, Marchlinski FE, Santangeli P. Ventricular Arrhythmias Associated with Left Ventricular Non Compaction: Electrophysiological Characteristics, Mapping, and Ablation. Heart Rhythm : the Official Journal of the Heart Rhythm Society. PMID 27890738 DOI: 10.1016/J.Hrthm.2016.11.014  0.313
2016 Contijoch F, Iyer SK, Pilla JJ, Yushkevich P, Gorman JH, Gorman RC, Litt H, Han Y, Witschey WR. Self-gated MRI of multiple beat morphologies in the presence of arrhythmias. Magnetic Resonance in Medicine. PMID 27579717 DOI: 10.1002/Mrm.26381  0.765
2016 Contijoch FJ, Witschey WR, McGarvey J, Lee ME, Gorman J, Gorman RC, Pilla JJ. Slice-by-Slice Pressure-Volume Loop Analysis Demonstrates Native Differences in Regional Cardiac Contractility and Response to Inotropic Agents. The Annals of Thoracic Surgery. PMID 27112654 DOI: 10.1016/j.athoracsur.2016.02.055  0.76
2016 Contijoch F, Rogers K, Rears H, Shahid M, Kellman P, Gorman J, Gorman RC, Yushkevich P, Zado ES, Supple GE, Marchlinski FE, Witschey WR, Han Y. Quantification of Left Ventricular Function With Premature Ventricular Complexes Reveals Variable Hemodynamics. Circulation. Arrhythmia and Electrophysiology. 9. PMID 27009416 DOI: 10.1161/Circep.115.003520  0.789
2016 Witschey WR, Wang J, Litt H, Han Y. Relaxation time mapping technique development improves disease detectability Journal of Cardiovascular Magnetic Resonance. 18. DOI: 10.1186/1532-429X-18-S1-W37  0.342
2016 Madden M, Mohammed S, Contijoch F, Pilla JJ, Gorman JH, Han Y, Gorman RC, Witschey WR. Assessment of T1rho relaxation times after reperfused myocardial infarction Journal of Cardiovascular Magnetic Resonance. 18: W13. DOI: 10.1186/1532-429X-18-S1-W13  0.767
2016 Shahid M, Solomon J, Contijoch F, Avants B, Yushkevich P, Pilla JJ, Han Y, Witschey WR. Alterations in ectopic myocardial contraction assessed using real-time MRI Journal of Cardiovascular Magnetic Resonance. 18: P55. DOI: 10.1186/1532-429X-18-S1-P55  0.8
2016 Contijoch F, Berisha S, Gorman JH, Gorman RC, Witschey WR, Han Y. Impact of Respiration on LV Volume and Function Using rt-MRI Journal of Cardiovascular Magnetic Resonance. 18. DOI: 10.1186/1532-429X-18-S1-P329  0.768
2016 Gralewski K, Witschey WR, Pollock SD, Whitehead KK. Continuity equation-derived valve area using CMR phase-contrast provides flow-independent assessment of valve stenosis Journal of Cardiovascular Magnetic Resonance. 18: 1-2. DOI: 10.1186/1532-429X-18-S1-P158  0.36
2015 Contijoch F, Witschey WR, Rogers K, Gorman J, Gorman RC, Ferrari V, Han Y. Impact of end-diastolic and end-systolic phase selection in the volumetric evaluation of cardiac MRI. Journal of Magnetic Resonance Imaging : Jmri. PMID 26331591 DOI: 10.1002/Jmri.25038  0.735
2015 Contijoch F, Witschey WR, Rogers K, Rears H, Hansen M, Yushkevich P, Gorman J, Gorman RC, Han Y. User-initialized active contour segmentation and golden-angle real-time cardiovascular magnetic resonance enable accurate assessment of LV function in patients with sinus rhythm and arrhythmias. Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society For Cardiovascular Magnetic Resonance. 17: 37. PMID 25994390 DOI: 10.1186/S12968-015-0146-9  0.802
2015 Witschey WR, Zhang D, Contijoch F, McGarvey JR, Lee M, Takebayashi S, Aoki C, Han Y, Han J, Barker AJ, Pilla JJ, Gorman RC, Gorman JH. The Influence of Mitral Annuloplasty on Left Ventricular Flow Dynamics. The Annals of Thoracic Surgery. 100: 114-21. PMID 25975941 DOI: 10.1016/J.Athoracsur.2015.02.028  0.726
2015 Contijoch F, Han Y, Hansen M, Kellman P, Gualtieri E, Elliott M, Berisha S, Pilla JJ, Gorman RC, Witschey WR. Continuous adaptive radial sampling of k-space from real-time physiologic feedback in MRI Journal of Cardiovascular Magnetic Resonance. 1-2. DOI: 10.1186/1532-429X-17-S1-P37  0.741
2015 Han JQ, Han Y, Witschey WR. Accuracy and reproducibility of T1rho mapping sequences Journal of Cardiovascular Magnetic Resonance. 1-2. DOI: 10.1186/1532-429X-17-S1-P22  0.319
2015 Contijoch F, Rears H, Rogers K, Kellman P, Gorman JH, Gorman RC, Witschey WR, Han Y. Beat to beat volumetric analysis in arrhythmia using real time CMR Journal of Cardiovascular Magnetic Resonance. 1-2. DOI: 10.1186/1532-429X-17-S1-O37  0.783
2014 Han Y, Liimatainen T, Gorman RC, Witschey WR. Assessing Myocardial Disease Using T1ρ MRI. Current Cardiovascular Imaging Reports. 7: 9248. PMID 24688628 DOI: 10.1007/s12410-013-9248-7  0.314
2014 Witschey WR, Contijoch F, McGarvey JR, Ferrari VA, Hansen MS, Lee ME, Takebayashi S, Aoki C, Chirinos JA, Yushkevich PA, Gorman JH, Pilla JJ, Gorman RC. Real-time magnetic resonance imaging technique for determining left ventricle pressure-volume loops. The Annals of Thoracic Surgery. 97: 1597-603. PMID 24629301 DOI: 10.1016/J.Athoracsur.2014.01.010  0.811
2014 Haris M, Singh A, Cai K, Kogan F, McGarvey J, Debrosse C, Zsido GA, Witschey WR, Koomalsingh K, Pilla JJ, Chirinos JA, Ferrari VA, Gorman JH, Hariharan H, Gorman RC, et al. A technique for in vivo mapping of myocardial creatine kinase metabolism. Nature Medicine. 20: 209-14. PMID 24412924 DOI: 10.1038/Nm.3436  0.719
2014 Han Q, Han Y, Gorman RC, Witschey WR. The influence of static and RF field heterogeneity on T1rho cardiovascular MRI Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-P70  0.309
2014 Witschey WR, Contijoch F, McGarvey JR, Ferrari VA, Hansen M, Chirinos J, Yushkevich P, Gorman JH, Gorman RC, Pilla JJ. The Frank-Starling relationship of the heart revealed in a large animal study utilizing real-time undersampled radial MRI at variable inotropic state and heart rate Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-P57  0.795
2014 Contijoch F, Rogers K, Avants B, Yushkevich P, Hoshmand V, Gorman RC, Han Y, Witschey WR. Quantification of left ventricular deformation fields from undersampled radial, real-time cardiac MRI Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-P366  0.802
2014 Contijoch F, Rogers K, Witschey WR, Gorman RC, Han Y. Aortic valve timing is critical for accurate estimation of MRI-derived ejection fraction Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-P327  0.776
2014 Contijoch F, Rogers K, Witschey WR, Gorman RC, Han Y. Left ventricular dyssynchrony can be observed via cine CMR with use of aortic valve timing Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-P243  0.777
2014 Han Q, Witschey WR, Arkles J, Barker AJ, Han Y. RV work efficiency is greatly reduced in patients with pulmonary arterial hypertension as evidenced by 4D flow cardiac MRI Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-P235  0.303
2014 Zhang D, McGarvey JR, Lee M, Takebayashi S, Aoki C, Dillard C, Contijoch F, Zsido G, Han Q, Han Y, Pilla JJ, Gorman JH, Witschey WR, Gorman RC. Mitral valve stenosis and left ventricular hemodynamic alterations after mitral valve repair Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-O70  0.744
2014 Contijoch F, Rogers K, Witschey WR, Gorman RC, Han Y. The spatial and temporal fidelity in real-time MRI in patients with sinus rhythm and arrhythmias Journal of Cardiovascular Magnetic Resonance. 16. DOI: 10.1186/1532-429X-16-S1-O11  0.76
2013 Contijoch F, Witschey WR, McGarvey JR, Levack MM, Ferrari VA, Kondo N, Takebayashi S, Shimaoka T, Aoki C, Zsido GA, Gorman JH, Gorman RC, Pilla JJ. Real time MRI of border zone end-systolic regional work Journal of Cardiovascular Magnetic Resonance. 15. DOI: 10.1186/1532-429X-15-S1-P191  0.776
2013 Chirinos JA, Shiva-Kumar P, Chandrashekhar R, Haines P, Vakilipour A, Saif H, Witschey W, Pandya N, Segers P, Ferrari V, Akers S. Relationship between arterial load and LV concentric hypertrophy assessed with MRI Journal of the American College of Cardiology. 61. DOI: 10.1016/S0735-1097(13)61473-4  0.314
2013 Chandrashekhar R, Akers S, Vakilipour A, Shiva-Kumar P, Haines P, Jain S, Saif H, Witschey W, Ferrari VA, Chirinos JA. Time-Resolved Left Ventricular Myocardial Stress In Heart Failure With Reduced Ejection Fraction Reveals A Marked Increase In Late Systolic Myocardial Load Journal of the American College of Cardiology. 61. DOI: 10.1016/S0735-1097(13)60613-0  0.362
2013 Singh A, Haris M, Cai K, Kogan F, Hendler B, Nanga R, Witschey W, Borthakur A, Hariharan H, Reddy R. High resolution T1ρ mapping of human knee cartilage at 7T Osteoarthritis and Cartilage. 21: S200-S201. DOI: 10.1016/J.Joca.2013.02.419  0.74
2013 Welz A, Cocosco C, Dewdney A, Gallichan D, Jia F, Lehr H, Liu Z, Post H, Schmidt H, Schultz G, Testud F, Weber H, Witschey W, Korvink J, Hennig J, et al. Development and characterization of an unshielded patloc gradient coil for human head imaging Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering. 43: 111-125. DOI: 10.1002/Cmr.B.21244  0.317
2012 Witschey WR, Zsido GA, Koomalsingh K, Kondo N, Minakawa M, Shuto T, McGarvey JR, Levack MM, Contijoch F, Pilla JJ, Gorman JH, Gorman RC. In vivo chronic myocardial infarction characterization by spin locked cardiovascular magnetic resonance. Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society For Cardiovascular Magnetic Resonance. 14: 37. PMID 22704222 DOI: 10.1186/1532-429X-14-37  0.759
2012 Levack MM, Witschey WR, McGarvey JR, Kondo N, Zsido GA, Gorman JH, Pilla JJ, Gorman RC. Mitral leaflet dynamics in ischemic mitral regurgitation using high resolution MRI Journal of Cardiovascular Magnetic Resonance. 14. DOI: 10.1186/1532-429X-14-S1-W57  0.402
2012 Witschey WR, Contijoch FJ, Pilla JJ, Dougherty L, Song HK, Levack MM, McGarvey JR, Kondo N, Zsido GA, Gorman JH, Gorman RC. Real time measurement of cardiac pressure-volume relationships Journal of Cardiovascular Magnetic Resonance. 14. DOI: 10.1186/1532-429X-14-S1-P227  0.777
2011 Ferrari VA, Witschey WR, Zhou R. Cardiac magnetic resonance assessment of myocardial fibrosis: honing new clinical tools. Circulation. Cardiovascular Imaging. 4: 604-6. PMID 22086943 DOI: 10.1161/Circimaging.111.969204  0.336
2010 Witschey WR, Pilla JJ, Ferrari G, Koomalsingh K, Haris M, Hinmon R, Zsido G, Gorman JH, Gorman RC, Reddy R. Rotating frame spin lattice relaxation in a swine model of chronic, left ventricular myocardial infarction. Magnetic Resonance in Medicine. 64: 1453-60. PMID 20677236 DOI: 10.1002/Mrm.22543  0.62
2010 Wang C, Witschey W, Elliott MA, Borthakur A, Reddy R. Measurement of intervertebral disc pressure with T1ρ MRI Magnetic Resonance in Medicine. 64: 1721-1727. PMID 20677234 DOI: 10.1002/Mrm.22560  0.769
2010 Wang C, Witschey W, Goldberg A, Elliott M, Borthakur A, Reddy R. Magnetization transfer ratio mapping of intervertebral disc degeneration Magnetic Resonance in Medicine. 64: 1520-1528. PMID 20677229 DOI: 10.1002/Mrm.22533  0.742
2010 Wang C, McArdle E, Fenty M, Witschey W, Elliott M, Sochor M, Reddy R, Borthakur A. Validation of sodium magnetic resonance imaging of intervertebral disc Spine. 35: 505-510. PMID 20147881 DOI: 10.1097/Brs.0B013E3181B32D3B  0.77
2009 Mellon EA, Beesam RS, Baumgardner JE, Borthakur A, Witschey WR, Reddy R. Estimation of the regional cerebral metabolic rate of oxygen consumption with proton detected 17O MRI during precision 17O2 inhalation in swine Journal of Neuroscience Methods. 179: 29-39. PMID 19428508 DOI: 10.1016/J.Jneumeth.2009.01.008  0.765
2009 Mellon EA, Beesam RS, Kasam M, Baumgardner JE, Borthakur A, Witschey WR, Reddy R. Single shot T1ρ magnetic resonance imaging of metabolically generated water in vivo Advances in Experimental Medicine and Biology. 645: 279-286. PMID 19227483 DOI: 10.1007/978-0-387-85998-9_42  0.768
2009 Mellon EA, Pilkinton DT, Clark CM, Elliott MA, Witschey WR, Borthakur A, Reddy R. Sodium MR imaging detection of mild Alzheimer disease: Preliminary study American Journal of Neuroradiology. 30: 978-984. PMID 19213826 DOI: 10.3174/Ajnr.A1495  0.755
2008 Mellon EA, Pilkinton DT, Clark CM, Elliott MA, Witschey WR, Reddy R, Borthakur A. P1-263: Sodium MRI detection of mild Alzheimer's disease Alzheimer's & Dementia. 4: T293-T294. DOI: 10.1016/J.Jalz.2008.05.853  0.748
2008 Mellon EA, Pilkinton DT, Clark CM, Elliott MA, Witschey WR, Reddy R, Borthakur A. IC-P3-199: Sodium MRI detection of mild Alzheimer's disease Alzheimer's & Dementia. 4: T86-T86. DOI: 10.1016/J.Jalz.2008.05.143  0.744
2007 Wang C, Auerbach JD, Witschey WR, Balderston RA, Reddy R, Borthakur A. Advances in Magnetic Resonance Imaging for the assessment of degenerative disc disease of the lumbar spine. Seminars in Spine Surgery. 19: 65-71. PMID 18037984 DOI: 10.1053/J.Semss.2007.04.009  0.74
2007 Witschey W, Borthakur A, Sochor M, Reddy R. 353 RAPID, ISOTROPIC, 3D T1ρ IMAGING OF KNEE ARTICULAR CARTILAGE TO ASSESS PROTEOGLYCAN LOSS IN EARLY OSTEOARTHRITIS Osteoarthritis and Cartilage. 15: C197. DOI: 10.1016/S1063-4584(07)61984-0  0.703
2006 Borthakur A, Mellon E, Niyogi S, Witschey W, Kneeland JB, Reddy R. Sodium and T1ρ MRI for molecular and diagnostic imaging of articular cartilage Nmr in Biomedicine. 19: 781-821. PMID 17075961 DOI: 10.1002/Nbm.1102  0.787
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