Rohan Dharmakumar

Title(s)Professor-in-Residence, Medicine
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    1. Perfusion MRI using endogenous deoxyhemoglobin as a contrast agent: Preliminary data. Magn Reson Med. 2021 Dec; 86(6):3012-3021. Poublanc J, Sobczyk O, Shafi R, Sayin ES, Schulman J, Duffin J, Uludag K, Wood JC, Vu C, Dharmakumar R, Fisher JA, Mikulis DJ. PMID: 34687064.
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    2. Quantification of myocardial hemorrhage using T2* cardiovascular magnetic resonance at 1.5T with ex-vivo validation. J Cardiovasc Magn Reson. 2021 Sep 30; 23(1):104. Chen Y, Ren D, Guan X, Yang HJ, Liu T, Tang R, Ho H, Jin H, Zeng M, Dharmakumar R. PMID: 34587984; PMCID: PMC8482734.
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    3. Myocardial Infarction and the Fine Balance of Iron. JACC Basic Transl Sci. 2021 Jul; 6(7):581-583. Dharmakumar R, Nair AR, Kumar A, Francis J. PMID: 34368506.
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    4. Assessment of intramyocardial hemorrhage with dark-blood T2*-weighted cardiovascular magnetic resonance. J Cardiovasc Magn Reson. 2021 07 15; 23(1):88. Guan X, Chen Y, Yang HJ, Zhang X, Ren D, Sykes J, Butler J, Han H, Zeng M, Prato FS, Dharmakumar R. PMID: 34261494.
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    5. Retrospective assessment of at-risk myocardium in reperfused acute myocardial infarction patients using contrast-enhanced balanced steady-state free-precession cardiovascular magnetic resonance at 3T with SPECT validation. J Cardiovasc Magn Reson. 2021 03 15; 23(1):25. Sun Z, Zhang Q, Zhao H, Yan C, Yang HJ, Li D, Li K, Liu Z, Yang Q, Dharmakumar R. PMID: 33715636.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Disentangle, Align and Fuse for Multimodal and Semi-Supervised Image Segmentation. IEEE Trans Med Imaging. 2021 03; 40(3):781-792. Chartsias A, Papanastasiou G, Wang C, Semple S, Newby DE, Dharmakumar R, Tsaftaris SA. PMID: 33156786.
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    7. Reperfused hemorrhagic myocardial infarction in rats. PLoS One. 2020; 15(12):e0243207. Nair AR, Johnson EA, Yang HJ, Cokic I, Francis J, Dharmakumar R. PMID: 33264359.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsCells
    8. Editorial for "Patient-Adaptive Magnetic Resonance Oximetry". J Magn Reson Imaging. 2020 11; 52(5):1460-1461. Dharmakumar R, Yang HJ. PMID: 32767439.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Multicenter Study on the Diagnostic Performance of Native-T1 Cardiac Magnetic Resonance of Chronic Myocardial Infarctions at 3T. Circ Cardiovasc Imaging. 2020 06; 13(6):e009894. Wang G, Lee SE, Yang Q, Sadras V, Patel S, Yang HJ, Sharif B, Kali A, Cokic I, Xie G, Tighiouart M, Collins J, Li D, Berman DS, Chang HJ, Dharmakumar R. PMID: 32507020.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    10. 3D-Printed Coronary Implants Are Effective for Percutaneous Creation of Swine Models with Focal Coronary Stenosis. J Cardiovasc Transl Res. 2020 12; 13(6):1033-1043. Colbert CM, Shao J, Hollowed JJ, Currier JW, Ajijola OA, Fishbein GA, Duarte-Vogel SM, Dharmakumar R, Hu P, Nguyen KL. PMID: 32394352.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    11. Heart Rate-Independent 3D Myocardial Blood Oxygen Level-Dependent MRI at 3.0 T with Simultaneous 13N-Ammonia PET Validation. Radiology. 2020 04; 295(1):82-93. Yang HJ, Dey D, Sykes J, Butler J, Biernaski H, Kovacs M, Bi X, Sharif B, Cokic I, Tang R, Slomka P, Prato FS, Dharmakumar R. PMID: 32096705.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    12. Hybrid PET/MR imaging in myocardial inflammation post-myocardial infarction. J Nucl Cardiol. 2020 12; 27(6):2083-2099. Wilk B, Wisenberg G, Dharmakumar R, Thiessen JD, Goldhawk DE, Prato FS. PMID: 31797321.
      View in: PubMed   Mentions: 5     Fields:    
    13. Disentangled representation learning in cardiac image analysis. Med Image Anal. 2019 12; 58:101535. Chartsias A, Joyce T, Papanastasiou G, Semple S, Williams M, Newby DE, Dharmakumar R, Tsaftaris SA. PMID: 31351230.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    14. Cardiac MRI Endpoints in Myocardial Infarction Experimental and Clinical Trials: JACC Scientific Expert Panel. J Am Coll Cardiol. 2019 07 16; 74(2):238-256. Ibanez B, Aletras AH, Arai AE, Arheden H, Bax J, Berry C, Bucciarelli-Ducci C, Croisille P, Dall'Armellina E, Dharmakumar R, Eitel I, Fernández-Jiménez R, Friedrich MG, García-Dorado D, Hausenloy DJ, Kim RJ, Kozerke S, Kramer CM, Salerno M, Sánchez-González J, Sanz J, Fuster V. PMID: 31296297.
      View in: PubMed   Mentions: 39     Fields:    Translation:Humans
    15. Accurate needle-free assessment of myocardial oxygenation for ischemic heart disease in canines using magnetic resonance imaging. Sci Transl Med. 2019 05 29; 11(494). Yang HJ, Oksuz I, Dey D, Sykes J, Klein M, Butler J, Kovacs MS, Sobczyk O, Cokic I, Slomka PJ, Bi X, Li D, Tighiouart M, Tsaftaris SA, Prato FS, Fisher JA, Dharmakumar R. PMID: 31142677.
      View in: PubMed   Mentions: 3     Fields:    Translation:Animals
    16. Ferumoxytol-Enhanced CMR for Vasodilator Stress Testing: A Feasibility Study. JACC Cardiovasc Imaging. 2019 08; 12(8 Pt 1):1582-1584. Nguyen KL, Shao J, Ghodrati VK, Ajijola OA, Dharmakumar R, Finn JP, Hu P. PMID: 30878418.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansAnimals
    17. High spatial resolution BOLD fMRI using simultaneous multislice excitation with echo-shifting gradient echo at 7 Tesla. Magn Reson Imaging. 2020 02; 66:86-92. Su S, Lu N, Jia L, Long X, Jiang C, Zhang H, Li Y, Sun K, Xue R, Dharmakumar R, Zhang L, Liu X, Xie G. PMID: 30172939.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    18. Cardiovascular Magnetic Resonance in Acute ST-Segment-Elevation Myocardial Infarction: Recent Advances, Controversies, and Future Directions. Circulation. 2018 05 01; 137(18):1949-1964. Bulluck H, Dharmakumar R, Arai AE, Berry C, Hausenloy DJ. PMID: 29712696.
      View in: PubMed   Mentions: 24     Fields:    Translation:Humans
    19. Influence of Myocardial Hemorrhage on Staging of Reperfused Myocardial Infarctions With T2 Cardiac Magnetic Resonance Imaging: Insights Into the Dependence on Infarction Type With Ex Vivo Validation. JACC Cardiovasc Imaging. 2019 04; 12(4):693-703. Wang G, Yang HJ, Kali A, Cokic I, Tang R, Xie G, Yang Q, Francis J, Li S, Dharmakumar R. PMID: 29680356.
      View in: PubMed   Mentions: 5     Fields:    Translation:Animals
    20. Impact of incomplete ventricular coverage on diagnostic performance of myocardial perfusion imaging. Int J Cardiovasc Imaging. 2018 Apr; 34(4):661-669. Sharif B, Motwani M, Arsanjani R, Dharmakumar R, Fish MB, Germano G, Li D, Berman DS, Slomka P. PMID: 29197024.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    21. Colors of Myocardial Infarction: Can They Predict the Future? Circ Cardiovasc Imaging. 2017 12; 10(12). Dharmakumar R. PMID: 29242241.
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    22. Systemic Sympathoexcitation Was Associated with Paraventricular Hypothalamic Phosphorylation of Synaptic CaMKIIα and MAPK/ErK. Front Neurosci. 2017; 11:447. Ogundele OM, Rosa FA, Dharmakumar R, Lee CC, Francis J. PMID: 28824368.
      View in: PubMed   Mentions: 1  
    23. Unsupervised Myocardial Segmentation for Cardiac BOLD. IEEE Trans Med Imaging. 2017 11; 36(11):2228-2238. Oksuz I, Mukhopadhyay A, Dharmakumar R, Tsaftaris SA. PMID: 28708550.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    24. Arterial CO2 as a Potent Coronary Vasodilator: A Preclinical PET/MR Validation Study with Implications for Cardiac Stress Testing. J Nucl Med. 2017 06; 58(6):953-960. Yang HJ, Dey D, Sykes J, Klein M, Butler J, Kovacs MS, Sobczyk O, Sharif B, Bi X, Kali A, Cokic I, Tang R, Yumul R, Conte AH, Tsaftaris SA, Tighiouart M, Li D, Slomka PJ, Berman DS, Prato FS, Fisher JA, Dharmakumar R. PMID: 28254864.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    25. Persistent Microvascular Obstruction After Myocardial Infarction Culminates in the Confluence of Ferric Iron Oxide Crystals, Proinflammatory Burden, and Adverse Remodeling. Circ Cardiovasc Imaging. 2016 Nov; 9(11). Kali A, Cokic I, Tang R, Dohnalkova A, Kovarik L, Yang HJ, Kumar A, Prato FS, Wood JC, Underhill D, Marbán E, Dharmakumar R. PMID: 27903536.
      View in: PubMed   Mentions: 11     Fields:    Translation:AnimalsCells
    26. "Rusty Hearts": Is It Time to Rethink Iron Chelation Therapies in Post-Myocardial-Infarction Setting? Circ Cardiovasc Imaging. 2016 10; 9(10). Dharmakumar R. PMID: 27894072.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    27. First-pass myocardial perfusion MRI with reduced subendocardial dark-rim artifact using optimized Cartesian sampling. J Magn Reson Imaging. 2017 02; 45(2):542-555. Zhou Z, Bi X, Wei J, Yang HJ, Dharmakumar R, Arsanjani R, Bairey Merz CN, Li D, Sharif B. PMID: 27532501.
      View in: PubMed   Mentions: 3     Fields:    Translation:Animals
    28. Durable Benefits of Cellular Postconditioning: Long-Term Effects of Allogeneic Cardiosphere-Derived Cells Infused After Reperfusion in Pigs with Acute Myocardial Infarction. J Am Heart Assoc. 2016 Feb 08; 5(2). Kanazawa H, Tseliou E, Dawkins JF, De Couto G, Gallet R, Malliaras K, Yee K, Kreke M, Valle I, Smith RR, Middleton RC, Ho CS, Dharmakumar R, Li D, Makkar RR, Fukuda K, Marbán L, Marbán E. PMID: 26857066.
      View in: PubMed   Mentions: 19     Fields:    Translation:AnimalsCells
    29. T1 Mapping: Basic Techniques and Clinical Applications. JACC Cardiovasc Imaging. 2016 Jan; 9(1):67-81. Taylor AJ, Salerno M, Dharmakumar R, Jerosch-Herold M. PMID: 26762877.
      View in: PubMed   Mentions: 91     Fields:    Translation:Humans
    30. Carotid artery thickness is associated with chronic use of highly active antiretroviral therapy in patients infected with human immunodeficiency virus: A 3.0 Tesla magnetic resonance imaging study. HIV Med. 2016 08; 17(7):516-23. LaBounty TM, Hardy WD, Fan Z, Yumul R, Li D, Dharmakumar R, Conte AH. PMID: 26634886.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    31. Increased pericardial fat accumulation is associated with increased intramyocardial lipid content and duration of highly active antiretroviral therapy exposure in patients infected with human immunodeficiency virus: a 3T cardiovascular magnetic resonance feasibility study. J Cardiovasc Magn Reson. 2015 Oct 31; 17:91. Diaz-Zamudio M, Dey D, LaBounty T, Nelson M, Fan Z, Szczepaniak LS, Hsieh BP, Rajani R, Berman D, Li D, Dharmakumar R, Hardy WD, Conte AH. PMID: 26520571.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    32. Native T1 Mapping by 3-T CMR Imaging for Characterization of Chronic Myocardial Infarctions. JACC Cardiovasc Imaging. 2015 Sep; 8(9):1019-1030. Kali A, Choi EY, Sharif B, Kim YJ, Bi X, Spottiswoode B, Cokic I, Yang HJ, Tighiouart M, Conte AH, Li D, Berman DS, Choi BW, Chang HJ, Dharmakumar R. PMID: 26298071.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    33. Dictionary-Driven Ischemia Detection From Cardiac Phase-Resolved Myocardial BOLD MRI at Rest. IEEE Trans Med Imaging. 2016 Jan; 35(1):282-93. Bevilacqua M, Dharmakumar R, Tsaftaris SA. PMID: 26292338.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    34. Building a Unified Mechanistic Insight Into the Bimodal Pattern of Edema in Reperfused Acute Myocardial Infarctions: Observations, Interpretations, and Outlook. J Am Coll Cardiol. 2015 Aug 18; 66(7):829-831. Dharmakumar R. PMID: 26271066.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    35. Iron-Sensitive Cardiac Magnetic Resonance Imaging for Prediction of Ventricular Arrhythmia Risk in Patients With Chronic Myocardial Infarction: Early Evidence. Circ Cardiovasc Imaging. 2015 Aug; 8(8). Cokic I, Kali A, Yang HJ, Yee R, Tang R, Tighiouart M, Wang X, Jackman WS, Chugh SS, White JA, Dharmakumar R. PMID: 26259581.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansAnimals
    36. All-systolic non-ECG-gated myocardial perfusion MRI: Feasibility of multi-slice continuous first-pass imaging. Magn Reson Med. 2015 Dec; 74(6):1661-74. Sharif B, Arsanjani R, Dharmakumar R, Bairey Merz CN, Berman DS, Li D. PMID: 26052843.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansAnimals
    37. Free-breathing, motion-corrected, highly efficient whole heart T2 mapping at 3T with hybrid radial-cartesian trajectory. Magn Reson Med. 2016 Jan; 75(1):126-36. Yang HJ, Sharif B, Pang J, Kali A, Bi X, Cokic I, Li D, Dharmakumar R. PMID: 25753385.
      View in: PubMed   Mentions: 20     Fields:    Translation:HumansAnimals
    38. Correlation of scar in cardiac MRI and high-resolution contact mapping of left ventricle in a chronic infarct model. Pacing Clin Electrophysiol. 2015 Jun; 38(6):663-74. Thajudeen A, Jackman WM, Stewart B, Cokic I, Nakagawa H, Shehata M, Amorn AM, Kali A, Liu E, Harlev D, Bennett N, Dharmakumar R, Chugh SS, Wang X. PMID: 25656924.
      View in: PubMed   Mentions: 9     Fields:    Translation:Animals
    39. Allogeneic cardiospheres delivered via percutaneous transendocardial injection increase viable myocardium, decrease scar size, and attenuate cardiac dilatation in porcine ischemic cardiomyopathy. PLoS One. 2014; 9(12):e113805. Yee K, Malliaras K, Kanazawa H, Tseliou E, Cheng K, Luthringer DJ, Ho CS, Takayama K, Minamino N, Dawkins JF, Chowdhury S, Duong DT, Seinfeld J, Middleton RC, Dharmakumar R, Li D, Marbán L, Makkar RR, Marbán E. PMID: 25460005.
      View in: PubMed   Mentions: 21     Fields:    Translation:AnimalsCells
    40. Cardiac steatosis and left ventricular dysfunction in HIV-infected patients treated with highly active antiretroviral therapy. JACC Cardiovasc Imaging. 2014 Nov; 7(11):1175-7. Nelson MD, Szczepaniak LS, LaBounty TM, Szczepaniak E, Li D, Tighiouart M, Li Q, Dharmakumar R, Sannes G, Fan Z, Yumul R, Hardy WD, Hernandez Conte A. PMID: 25459601.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    41. In vivo contrast free chronic myocardial infarction characterization using diffusion-weighted cardiovascular magnetic resonance. J Cardiovasc Magn Reson. 2014 Sep 17; 16:68. Nguyen C, Fan Z, Xie Y, Dawkins J, Tseliou E, Bi X, Sharif B, Dharmakumar R, Marbán E, Li D. PMID: 25230598.
      View in: PubMed   Mentions: 22     Fields:    Translation:Animals
    42. Quantification of myocardial blood flow using non-ECG-triggered MR imaging. Magn Reson Med. 2015 Sep; 74(3):765-71. Chen D, Sharif B, Dharmakumar R, Thomson LE, Bairey Merz CN, Berman DS, Li D. PMID: 25227935.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    43. Assessment of myocardial reactivity to controlled hypercapnia with free-breathing T2-prepared cardiac blood oxygen level-dependent MR imaging. Radiology. 2014 Aug; 272(2):397-406. Yang HJ, Yumul R, Tang R, Cokic I, Klein M, Kali A, Sobczyk O, Sharif B, Tang J, Bi X, Tsaftaris SA, Li D, Conte AH, Fisher JA, Dharmakumar R. PMID: 24749715.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansAnimals
    44. Determination of location, size, and transmurality of chronic myocardial infarction without exogenous contrast media by using cardiac magnetic resonance imaging at 3 T. Circ Cardiovasc Imaging. 2014 May; 7(3):471-81. Kali A, Cokic I, Tang RL, Yang HJ, Sharif B, Marbán E, Li D, Berman DS, Dharmakumar R. PMID: 24682268.
      View in: PubMed   Mentions: 24     Fields:    Translation:Animals
    45. Synthetic generation of myocardial blood-oxygen-level-dependent MRI time series via structural sparse decomposition modeling. IEEE Trans Med Imaging. 2014 Jul; 33(7):1422-33. Rusu C, Morisi R, Boschetto D, Dharmakumar R, Tsaftaris SA. PMID: 24691119.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    46. Non-ECG-gated myocardial perfusion MRI using continuous magnetization-driven radial sampling. Magn Reson Med. 2014 Dec; 72(6):1620-8. Sharif B, Dharmakumar R, Arsanjani R, Thomson L, Bairey Merz CN, Berman DS, Li D. PMID: 24443160.
      View in: PubMed   Mentions: 12     Fields:    Translation:Animals
    47. In vivo three-dimensional high resolution cardiac diffusion-weighted MRI: a motion compensated diffusion-prepared balanced steady-state free precession approach. Magn Reson Med. 2014 Nov; 72(5):1257-67. Nguyen C, Fan Z, Sharif B, He Y, Dharmakumar R, Berman DS, Li D. PMID: 24259113.
      View in: PubMed   Mentions: 38     Fields:    Translation:Humans
    48. Improved quantification of myocardial blood flow using highly constrained back projection reconstruction. Magn Reson Med. 2014 Sep; 72(3):749-55. Chen D, Sharif B, Dharmakumar R, Thomson LE, Bairey Merz CN, Berman DS, Li D. PMID: 24122950.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    49. Validation of contrast-enhanced magnetic resonance imaging to monitor regenerative efficacy after cell therapy in a porcine model of convalescent myocardial infarction. Circulation. 2013 Dec 24; 128(25):2764-75. Malliaras K, Smith RR, Kanazawa H, Yee K, Seinfeld J, Tseliou E, Dawkins JF, Kreke M, Cheng K, Luthringer D, Ho CS, Blusztajn A, Valle I, Chowdhury S, Makkar RR, Dharmakumar R, Li D, Marbán L, Marbán E. PMID: 24061088.
      View in: PubMed   Mentions: 49     Fields:    Translation:Animals
    50. Iron deposition following chronic myocardial infarction as a substrate for cardiac electrical anomalies: initial findings in a canine model. PLoS One. 2013; 8(9):e73193. Cokic I, Kali A, Wang X, Yang HJ, Tang RL, Thajudeen A, Shehata M, Amorn AM, Liu E, Stewart B, Bennett N, Harlev D, Tsaftaris SA, Jackman WM, Chugh SS, Dharmakumar R. PMID: 24066038.
      View in: PubMed   Mentions: 10     Fields:    Translation:Animals
    51. Towards elimination of the dark-rim artifact in first-pass myocardial perfusion MRI: removing Gibbs ringing effects using optimized radial imaging. Magn Reson Med. 2014 Jul; 72(1):124-36. Sharif B, Dharmakumar R, LaBounty T, Arsanjani R, Shufelt C, Thomson L, Merz CN, Berman DS, Li D. PMID: 24030840.
      View in: PubMed   Mentions: 17     Fields:    Translation:Humans
    52. Detection of acute reperfusion myocardial hemorrhage with cardiac MR imaging: T2 versus T2. Radiology. 2013 Nov; 269(2):387-95. Kali A, Tang RL, Kumar A, Min JK, Dharmakumar R. PMID: 23847253.
      View in: PubMed   Mentions: 32     Fields:    Translation:HumansAnimals
    53. Chronic manifestation of postreperfusion intramyocardial hemorrhage as regional iron deposition: a cardiovascular magnetic resonance study with ex vivo validation. Circ Cardiovasc Imaging. 2013 Mar 01; 6(2):218-28. Kali A, Kumar A, Cokic I, Tang RL, Tsaftaris SA, Friedrich MG, Dharmakumar R. PMID: 23403335.
      View in: PubMed   Mentions: 35     Fields:    Translation:HumansAnimalsCells
    54. Detecting myocardial ischemia at rest with cardiac phase-resolved blood oxygen level-dependent cardiovascular magnetic resonance. Circ Cardiovasc Imaging. 2013 Mar 01; 6(2):311-9. Tsaftaris SA, Zhou X, Tang R, Li D, Dharmakumar R. PMID: 23258476.
      View in: PubMed   Mentions: 11     Fields:    Translation:Animals
    55. Limitations of BOLD-MRI for assessment of hypoxia in chronically diseased human kidneys. Kidney Int. 2012 Oct; 82(8):934-5; author reply 935. Fine LG, Dharmakumar R. PMID: 23018828.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    56. Ischemic extent as a biomarker for characterizing severity of coronary artery stenosis with blood oxygen-sensitive MRI. J Magn Reson Imaging. 2012 Jun; 35(6):1338-48. Tsaftaris SA, Tang R, Zhou X, Li D, Dharmakumar R. PMID: 22246681.
      View in: PubMed   Mentions: 6     Fields:    Translation:Animals
    57. CMR imaging of edema in myocardial infarction using cine balanced steady-state free precession. JACC Cardiovasc Imaging. 2011 Dec; 4(12):1265-73. Kumar A, Beohar N, Arumana JM, Larose E, Li D, Friedrich MG, Dharmakumar R. PMID: 22172783.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansAnimals
    58. T(2) -weighted STIR imaging of myocardial edema associated with ischemia-reperfusion injury: the influence of proton density effect on image contrast. J Magn Reson Imaging. 2011 Apr; 33(4):962-7. Zhou X, Rundell V, Liu Y, Tang R, Klein R, Shah S, Zuehlsdorff S, Tsaftaris SA, Li D, Dharmakumar R. PMID: 21448964.
      View in: PubMed   Mentions: 2     Fields:    Translation:Animals
    59. On the mechanisms enabling myocardial edema contrast in bSSFP-based imaging approaches. Magn Reson Med. 2011 Jul; 66(1):187-91. Zhou X, Rundell V, Liu Y, Tang R, Shah S, Zuehlsdorff S, Li D, Dharmakumar R. PMID: 21394764.
      View in: PubMed   Mentions: 1     Fields:    Translation:Animals
    60. Determination of the optimal first-order gradient moment for flow-sensitive dephasing magnetization-prepared 3D noncontrast MR angiography. Magn Reson Med. 2011 Apr; 65(4):964-72. Fan Z, Zhou X, Bi X, Dharmakumar R, Carr JC, Li D. PMID: 21413060.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    61. Myocardial perfusion magnetic resonance imaging using sliding-window conjugate-gradient HYPR methods in canine with stenotic coronary arteries. J Comput Assist Tomogr. 2010 Sep-Oct; 34(5):684-8. Ge L, Kino A, Lee D, Dharmakumar R, Carr JC, Li D. PMID: 20861770.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    62. Artifact-reduced two-dimensional cine steady state free precession for myocardial blood- oxygen-level-dependent imaging. J Magn Reson Imaging. 2010 Apr; 31(4):863-71. Zhou X, Tsaftaris SA, Liu Y, Tang R, Klein R, Zuehlsdorff S, Li D, Dharmakumar R. PMID: 20373430.
      View in: PubMed   Mentions: 6     Fields:    Translation:Animals
    63. Oxygenation-sensitive CMR for assessing vasodilator-induced changes of myocardial oxygenation. J Cardiovasc Magn Reson. 2010 Mar 31; 12:20. Vöhringer M, Flewitt JA, Green JD, Dharmakumar R, Wang J, Tyberg JV, Friedrich MG. PMID: 20356402.
      View in: PubMed   Mentions: 19     Fields:    Translation:Animals
    64. Parametric dependence of myocardial blood oxygen level dependent, balanced steady-state free-precession imaging at 1.5 T: theory and experiments. Magn Reson Med. 2010 Feb; 63(2):484-93. Zhou X, Tang R, Klein R, Li D, Dharmakumar R. PMID: 20099334.
      View in: PubMed   Mentions:    Fields:    Translation:Animals
    65. Dual-contrast cellular magnetic resonance imaging. Mol Imaging. 2009 Sep-Oct; 8(5):254-63. Dharmakumar R, Zhang Z, Koktzoglou I, Tsaftaris SA, Li D. PMID: 19796603.
      View in: PubMed   Mentions:    Fields:    Translation:AnimalsCells
    66. Fast low-angle positive contrast steady-state free precession imaging of USPIO-labeled macrophages: theory and in vitro experiment. Magn Reson Imaging. 2009 Sep; 27(7):961-9. Mascheri N, Dharmakumar R, Zhang Z, Paunesku T, Woloschak G, Li D. PMID: 19520536.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    67. Comparison of superparamagnetic and ultrasmall superparamagnetic iron oxide cell labeling for tracking green fluorescent protein gene marker with negative and positive contrast magnetic resonance imaging. Mol Imaging. 2009 May-Jun; 8(3):148-55. Zhang Z, Dharmakumar R, Mascheri N, Fan Z, Wu S, Li D. PMID: 19723472.
      View in: PubMed   Mentions: 8     Fields:    Translation:AnimalsCells
    68. Superparamagnetic iron oxide nanoparticle-labeled cells as an effective vehicle for tracking the GFP gene marker using magnetic resonance imaging. Cytotherapy. 2009; 11(1):43-51. Zhang Z, Mascheri N, Dharmakumar R, Fan Z, Paunesku T, Woloschak G, Li D. PMID: 18956269.
      View in: PubMed   Mentions: 6     Fields:    Translation:AnimalsCells
    69. Gadolinium-conjugated TiO2-DNA oligonucleotide nanoconjugates show prolonged intracellular retention period and T1-weighted contrast enhancement in magnetic resonance images. Nanomedicine. 2008 Sep; 4(3):201-7. Paunesku T, Ke T, Dharmakumar R, Mascheri N, Wu A, Lai B, Vogt S, Maser J, Thurn K, Szolc-Kowalska B, Larson A, Bergan RC, Omary R, Li D, Lu ZR, Woloschak GE. PMID: 18567541.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCells
    70. Off-resonance positive contrast imaging of a passive endomyocardial catheter in swine. Phys Med Biol. 2008 Jul 07; 53(13):N249-57. Dharmakumar R, Koktzoglou I, Tang R, Harris KR, Beohar N, Li D. PMID: 18562781.
      View in: PubMed   Mentions: 4     Fields:    Translation:Animals
    71. Assessment of regional myocardial oxygenation changes in the presence of coronary artery stenosis with balanced SSFP imaging at 3.0 T: theory and experimental evaluation in canines. J Magn Reson Imaging. 2008 May; 27(5):1037-45. Dharmakumar R, Arumana JM, Tang R, Harris K, Zhang Z, Li D. PMID: 18425840.
      View in: PubMed   Mentions: 22     Fields:    Translation:Animals
    72. Deriving blood-oxygen-level-dependent contrast in MRI with T2*-weighted, T2-prepared and phase-cycled SSFP methods: theory and experiment. Magn Reson Med. 2008 Mar; 59(3):561-70. Arumana JM, Li D, Dharmakumar R. PMID: 18306408.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    73. Cellular magnetic resonance imaging: potential for use in assessing aspects of cardiovascular disease. Cytotherapy. 2008; 10(6):575-86. Zhang Z, Mascheri N, Dharmakumar R, Li D. PMID: 18608350.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansAnimalsCells
    74. Dephased FLAPS for improved visualization of susceptibility-shifted passive devices for real-time interventional MRI. Phys Med Biol. 2007 Jul 07; 52(13):N277-86. Koktzoglou I, Li D, Dharmakumar R. PMID: 17664566.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansAnimals
    75. Factors influencing fast low angle positive contrast steady-state free precession (FLAPS) magnetic resonance imaging. Phys Med Biol. 2007 Jun 07; 52(11):3261-73. Dharmakumar R, Koktzoglou I, Li D. PMID: 17505101.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    76. Cardiac phase-resolved blood oxygen-sensitive steady-state free precession MRI for evaluating the functional significance of coronary artery stenosis. Invest Radiol. 2007 Mar; 42(3):180-8. Dharmakumar R, Arumana JM, Larson AC, Chung Y, Wright GA, Li D. PMID: 17287648.
      View in: PubMed   Mentions: 8     Fields:    Translation:Animals
    77. Generating positive contrast from off-resonant spins with steady-state free precession magnetic resonance imaging: theory and proof-of-principle experiments. Phys Med Biol. 2006 Sep 07; 51(17):4201-15. Dharmakumar R, Koktzoglou I, Li D. PMID: 16912377.
      View in: PubMed   Mentions: 21     Fields:    Translation:HumansCells
    78. Detecting microcirculatory changes in blood oxygen state with steady-state free precession imaging. Magn Reson Med. 2006 Jun; 55(6):1372-80. Dharmakumar R, Qi X, Hong J, Wright GA. PMID: 16680697.
      View in: PubMed   Mentions: 14     Fields:    Translation:Animals
    79. A novel microbubble construct for intracardiac or intravascular MR manometry: a theoretical study. Phys Med Biol. 2005 Oct 21; 50(20):4745-62. Dharmakumar R, Plewes DB, Wright GA. PMID: 16204870.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    80. Oxygen-sensitive contrast in blood for steady-state free precession imaging. Magn Reson Med. 2005 Mar; 53(3):574-83. Dharmakumar R, Hong J, Brittain JH, Plewes DB, Wright GA. PMID: 15723410.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    81. On the parameters affecting the sensitivity of MR measures of pressure with microbubbles. Magn Reson Med. 2002 Feb; 47(2):264-73. Dharmakumar R, Plewes DB, Wright GA. PMID: 11810669.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
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