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Items: 1 to 50 of 69

1.

Disentangled representation learning in cardiac image analysis.

Chartsias A, Joyce T, Papanastasiou G, Semple S, Williams M, Newby DE, Dharmakumar R, Tsaftaris SA.

Med Image Anal. 2019 Jul 18;58:101535. doi: 10.1016/j.media.2019.101535. [Epub ahead of print]

PMID:
31351230
2.

Cardiac MRI Endpoints in Myocardial Infarction Experimental and Clinical Trials: JACC Scientific Expert Panel.

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.

J Am Coll Cardiol. 2019 Jul 16;74(2):238-256. doi: 10.1016/j.jacc.2019.05.024. Review.

3.

Accurate needle-free assessment of myocardial oxygenation for ischemic heart disease in canines using magnetic resonance imaging.

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.

Sci Transl Med. 2019 May 29;11(494). pii: eaat4407. doi: 10.1126/scitranslmed.aat4407.

PMID:
31142677
4.

Ferumoxytol-Enhanced CMR for Vasodilator Stress Testing: A Feasibility Study.

Nguyen KL, Shao J, Ghodrati VK, Ajijola OA, Dharmakumar R, Finn JP, Hu P.

JACC Cardiovasc Imaging. 2019 Aug;12(8 Pt 1):1582-1584. doi: 10.1016/j.jcmg.2019.01.024. Epub 2019 Mar 13. No abstract available.

PMID:
30878418
5.

High spatial resolution BOLD fMRI using simultaneous multislice excitation with echo-shifting gradient echo at 7 Tesla.

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.

Magn Reson Imaging. 2018 Aug 31. pii: S0730-725X(18)30127-9. doi: 10.1016/j.mri.2018.08.019. [Epub ahead of print]

PMID:
30172939
6.

Cardiovascular Magnetic Resonance in Acute ST-Segment-Elevation Myocardial Infarction: Recent Advances, Controversies, and Future Directions.

Bulluck H, Dharmakumar R, Arai AE, Berry C, Hausenloy DJ.

Circulation. 2018 May 1;137(18):1949-1964. doi: 10.1161/CIRCULATIONAHA.117.030693. Review.

7.

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.

Wang G, Yang HJ, Kali A, Cokic I, Tang R, Xie G, Yang Q, Francis J, Li S, Dharmakumar R.

JACC Cardiovasc Imaging. 2019 Apr;12(4):693-703. doi: 10.1016/j.jcmg.2018.01.018. Epub 2018 Apr 18.

8.

Colors of Myocardial Infarction: Can They Predict the Future?

Dharmakumar R.

Circ Cardiovasc Imaging. 2017 Dec;10(12). pii: e007291. doi: 10.1161/CIRCIMAGING.117.007291. No abstract available.

9.

Impact of incomplete ventricular coverage on diagnostic performance of myocardial perfusion imaging.

Sharif B, Motwani M, Arsanjani R, Dharmakumar R, Fish MB, Germano G, Li D, Berman DS, Slomka P.

Int J Cardiovasc Imaging. 2018 Apr;34(4):661-669. doi: 10.1007/s10554-017-1265-1. Epub 2017 Dec 1.

10.

Systemic Sympathoexcitation Was Associated with Paraventricular Hypothalamic Phosphorylation of Synaptic CaMKIIα and MAPK/ErK.

Ogundele OM, Rosa FA, Dharmakumar R, Lee CC, Francis J.

Front Neurosci. 2017 Aug 3;11:447. doi: 10.3389/fnins.2017.00447. eCollection 2017.

11.

Unsupervised Myocardial Segmentation for Cardiac BOLD.

Oksuz I, Mukhopadhyay A, Dharmakumar R, Tsaftaris SA.

IEEE Trans Med Imaging. 2017 Nov;36(11):2228-2238. doi: 10.1109/TMI.2017.2726112. Epub 2017 Jul 12.

12.

Arterial CO2 as a Potent Coronary Vasodilator: A Preclinical PET/MR Validation Study with Implications for Cardiac Stress Testing.

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.

J Nucl Med. 2017 Jun;58(6):953-960. doi: 10.2967/jnumed.116.185991. Epub 2017 Mar 2.

13.

Persistent Microvascular Obstruction After Myocardial Infarction Culminates in the Confluence of Ferric Iron Oxide Crystals, Proinflammatory Burden, and Adverse Remodeling.

Kali A, Cokic I, Tang R, Dohnalkova A, Kovarik L, Yang HJ, Kumar A, Prato FS, Wood JC, Underhill D, Marbán E, Dharmakumar R.

Circ Cardiovasc Imaging. 2016 Nov;9(11). pii: e004996.

14.

"Rusty Hearts": Is It Time to Rethink Iron Chelation Therapies in Post-Myocardial-Infarction Setting?

Dharmakumar R.

Circ Cardiovasc Imaging. 2016 Oct;9(10). pii: e005541. No abstract available.

PMID:
27894072
15.

First-pass myocardial perfusion MRI with reduced subendocardial dark-rim artifact using optimized Cartesian sampling.

Zhou Z, Bi X, Wei J, Yang HJ, Dharmakumar R, Arsanjani R, Bairey Merz CN, Li D, Sharif B.

J Magn Reson Imaging. 2017 Feb;45(2):542-555. doi: 10.1002/jmri.25400. Epub 2016 Aug 17.

16.

Durable Benefits of Cellular Postconditioning: Long-Term Effects of Allogeneic Cardiosphere-Derived Cells Infused After Reperfusion in Pigs with Acute Myocardial Infarction.

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.

J Am Heart Assoc. 2016 Feb 8;5(2). pii: e002796. doi: 10.1161/JAHA.115.002796.

17.

T1 Mapping: Basic Techniques and Clinical Applications.

Taylor AJ, Salerno M, Dharmakumar R, Jerosch-Herold M.

JACC Cardiovasc Imaging. 2016 Jan;9(1):67-81. doi: 10.1016/j.jcmg.2015.11.005. Review.

18.

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.

LaBounty TM, Hardy WD, Fan Z, Yumul R, Li D, Dharmakumar R, Conte AH.

HIV Med. 2016 Aug;17(7):516-23. doi: 10.1111/hiv.12351. Epub 2015 Dec 3.

19.

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.

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.

J Cardiovasc Magn Reson. 2015 Oct 31;17:91. doi: 10.1186/s12968-015-0193-2.

20.

Native T1 Mapping by 3-T CMR Imaging for Characterization of Chronic Myocardial Infarctions.

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.

JACC Cardiovasc Imaging. 2015 Sep;8(9):1019-1030. doi: 10.1016/j.jcmg.2015.04.018. Epub 2015 Aug 19.

21.

Dictionary-Driven Ischemia Detection From Cardiac Phase-Resolved Myocardial BOLD MRI at Rest.

Bevilacqua M, Dharmakumar R, Tsaftaris SA.

IEEE Trans Med Imaging. 2016 Jan;35(1):282-93. doi: 10.1109/TMI.2015.2470075. Epub 2015 Aug 19.

22.

Building a Unified Mechanistic Insight Into the Bimodal Pattern of Edema in Reperfused Acute Myocardial Infarctions: Observations, Interpretations, and Outlook.

Dharmakumar R.

J Am Coll Cardiol. 2015 Aug 18;66(7):829-831. doi: 10.1016/j.jacc.2015.05.074. No abstract available.

23.

Iron-Sensitive Cardiac Magnetic Resonance Imaging for Prediction of Ventricular Arrhythmia Risk in Patients With Chronic Myocardial Infarction: Early Evidence.

Cokic I, Kali A, Yang HJ, Yee R, Tang R, Tighiouart M, Wang X, Jackman WS, Chugh SS, White JA, Dharmakumar R.

Circ Cardiovasc Imaging. 2015 Aug;8(8). pii: e003642. doi: 10.1161/CIRCIMAGING.115.003642.

24.

All-systolic non-ECG-gated myocardial perfusion MRI: Feasibility of multi-slice continuous first-pass imaging.

Sharif B, Arsanjani R, Dharmakumar R, Bairey Merz CN, Berman DS, Li D.

Magn Reson Med. 2015 Dec;74(6):1661-74. doi: 10.1002/mrm.25752. Epub 2015 Jun 6.

25.

Free-breathing, motion-corrected, highly efficient whole heart T2 mapping at 3T with hybrid radial-cartesian trajectory.

Yang HJ, Sharif B, Pang J, Kali A, Bi X, Cokic I, Li D, Dharmakumar R.

Magn Reson Med. 2016 Jan;75(1):126-36. doi: 10.1002/mrm.25576. Epub 2015 Mar 6.

26.

Correlation of scar in cardiac MRI and high-resolution contact mapping of left ventricle in a chronic infarct model.

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.

Pacing Clin Electrophysiol. 2015 Jun;38(6):663-74. doi: 10.1111/pace.12581. Epub 2015 Feb 6.

27.

Allogeneic cardiospheres delivered via percutaneous transendocardial injection increase viable myocardium, decrease scar size, and attenuate cardiac dilatation in porcine ischemic cardiomyopathy.

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.

PLoS One. 2014 Dec 2;9(12):e113805. doi: 10.1371/journal.pone.0113805. eCollection 2014.

28.

Cardiac steatosis and left ventricular dysfunction in HIV-infected patients treated with highly active antiretroviral therapy.

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.

JACC Cardiovasc Imaging. 2014 Nov;7(11):1175-7. doi: 10.1016/j.jcmg.2014.04.024. Epub 2014 Nov 10. No abstract available.

29.

In vivo contrast free chronic myocardial infarction characterization using diffusion-weighted cardiovascular magnetic resonance.

Nguyen C, Fan Z, Xie Y, Dawkins J, Tseliou E, Bi X, Sharif B, Dharmakumar R, Marbán E, Li D.

J Cardiovasc Magn Reson. 2014 Sep 17;16:68. doi: 10.1186/s12968-014-0068-y.

30.

Quantification of myocardial blood flow using non-ECG-triggered MR imaging.

Chen D, Sharif B, Dharmakumar R, Thomson LE, Bairey Merz CN, Berman DS, Li D.

Magn Reson Med. 2015 Sep;74(3):765-71. doi: 10.1002/mrm.25451. Epub 2014 Sep 16.

31.

Assessment of myocardial reactivity to controlled hypercapnia with free-breathing T2-prepared cardiac blood oxygen level-dependent MR imaging.

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.

Radiology. 2014 Aug;272(2):397-406. doi: 10.1148/radiol.14132549. Epub 2014 Apr 17.

32.

Synthetic generation of myocardial blood-oxygen-level-dependent MRI time series via structural sparse decomposition modeling.

Rusu C, Morisi R, Boschetto D, Dharmakumar R, Tsaftaris SA.

IEEE Trans Med Imaging. 2014 Jul;33(7):1422-33. doi: 10.1109/TMI.2014.2313000. Epub 2014 Mar 21.

33.

Determination of location, size, and transmurality of chronic myocardial infarction without exogenous contrast media by using cardiac magnetic resonance imaging at 3 T.

Kali A, Cokic I, Tang RL, Yang HJ, Sharif B, Marbán E, Li D, Berman DS, Dharmakumar R.

Circ Cardiovasc Imaging. 2014 May;7(3):471-81. doi: 10.1161/CIRCIMAGING.113.001541. Epub 2014 Mar 28.

34.

Non-ECG-gated myocardial perfusion MRI using continuous magnetization-driven radial sampling.

Sharif B, Dharmakumar R, Arsanjani R, Thomson L, Bairey Merz CN, Berman DS, Li D.

Magn Reson Med. 2014 Dec;72(6):1620-8. doi: 10.1002/mrm.25074. Epub 2014 Jan 17.

35.

In vivo three-dimensional high resolution cardiac diffusion-weighted MRI: a motion compensated diffusion-prepared balanced steady-state free precession approach.

Nguyen C, Fan Z, Sharif B, He Y, Dharmakumar R, Berman DS, Li D.

Magn Reson Med. 2014 Nov;72(5):1257-67. doi: 10.1002/mrm.25038. Epub 2013 Nov 20.

PMID:
24259113
36.

Improved quantification of myocardial blood flow using highly constrained back projection reconstruction.

Chen D, Sharif B, Dharmakumar R, Thomson LE, Bairey Merz CN, Berman DS, Li D.

Magn Reson Med. 2014 Sep;72(3):749-55. doi: 10.1002/mrm.24958. Epub 2013 Oct 1.

37.

Iron deposition following chronic myocardial infarction as a substrate for cardiac electrical anomalies: initial findings in a canine model.

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.

PLoS One. 2013 Sep 16;8(9):e73193. doi: 10.1371/journal.pone.0073193. eCollection 2013.

38.

Validation of contrast-enhanced magnetic resonance imaging to monitor regenerative efficacy after cell therapy in a porcine model of convalescent myocardial infarction.

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.

Circulation. 2013 Dec 24;128(25):2764-75. doi: 10.1161/CIRCULATIONAHA.113.002863. Epub 2013 Sep 23.

39.

Towards elimination of the dark-rim artifact in first-pass myocardial perfusion MRI: removing Gibbs ringing effects using optimized radial imaging.

Sharif B, Dharmakumar R, LaBounty T, Arsanjani R, Shufelt C, Thomson L, Merz CN, Berman DS, Li D.

Magn Reson Med. 2014 Jul;72(1):124-36. doi: 10.1002/mrm.24913. Epub 2013 Sep 12.

40.

Detection of acute reperfusion myocardial hemorrhage with cardiac MR imaging: T2 versus T2.

Kali A, Tang RL, Kumar A, Min JK, Dharmakumar R.

Radiology. 2013 Nov;269(2):387-95. doi: 10.1148/radiol.13122397. Epub 2013 Jul 11.

41.

Chronic manifestation of postreperfusion intramyocardial hemorrhage as regional iron deposition: a cardiovascular magnetic resonance study with ex vivo validation.

Kali A, Kumar A, Cokic I, Tang RL, Tsaftaris SA, Friedrich MG, Dharmakumar R.

Circ Cardiovasc Imaging. 2013 Mar 1;6(2):218-28. doi: 10.1161/CIRCIMAGING.112.000133. Epub 2013 Feb 12.

PMID:
23403335
42.

Detecting myocardial ischemia at rest with cardiac phase-resolved blood oxygen level-dependent cardiovascular magnetic resonance.

Tsaftaris SA, Zhou X, Tang R, Li D, Dharmakumar R.

Circ Cardiovasc Imaging. 2013 Mar 1;6(2):311-9. doi: 10.1161/CIRCIMAGING.112.976076. Epub 2012 Dec 18.

43.

Limitations of BOLD-MRI for assessment of hypoxia in chronically diseased human kidneys.

Fine LG, Dharmakumar R.

Kidney Int. 2012 Oct;82(8):934-5; author reply 935. doi: 10.1038/ki.2012.283. No abstract available.

44.

Ischemic extent as a biomarker for characterizing severity of coronary artery stenosis with blood oxygen-sensitive MRI.

Tsaftaris SA, Tang R, Zhou X, Li D, Dharmakumar R.

J Magn Reson Imaging. 2012 Jun;35(6):1338-48. doi: 10.1002/jmri.23577. Epub 2012 Jan 13.

45.

CMR imaging of edema in myocardial infarction using cine balanced steady-state free precession.

Kumar A, Beohar N, Arumana JM, Larose E, Li D, Friedrich MG, Dharmakumar R.

JACC Cardiovasc Imaging. 2011 Dec;4(12):1265-73. doi: 10.1016/j.jcmg.2011.04.024.

46.

T(2) -weighted STIR imaging of myocardial edema associated with ischemia-reperfusion injury: the influence of proton density effect on image contrast.

Zhou X, Rundell V, Liu Y, Tang R, Klein R, Shah S, Zuehlsdorff S, Tsaftaris SA, Li D, Dharmakumar R.

J Magn Reson Imaging. 2011 Apr;33(4):962-7. doi: 10.1002/jmri.22456.

PMID:
21448964
47.

Determination of the optimal first-order gradient moment for flow-sensitive dephasing magnetization-prepared 3D noncontrast MR angiography.

Fan Z, Zhou X, Bi X, Dharmakumar R, Carr JC, Li D.

Magn Reson Med. 2011 Apr;65(4):964-72. doi: 10.1002/mrm.22847. Epub 2011 Feb 24.

48.

On the mechanisms enabling myocardial edema contrast in bSSFP-based imaging approaches.

Zhou X, Rundell V, Liu Y, Tang R, Shah S, Zuehlsdorff S, Li D, Dharmakumar R.

Magn Reson Med. 2011 Jul;66(1):187-91. doi: 10.1002/mrm.22794. Epub 2011 Mar 9.

49.

Myocardial perfusion magnetic resonance imaging using sliding-window conjugate-gradient HYPR methods in canine with stenotic coronary arteries.

Ge L, Kino A, Lee D, Dharmakumar R, Carr JC, Li D.

J Comput Assist Tomogr. 2010 Sep-Oct;34(5):684-8. doi: 10.1097/RCT.0b013e3181e9e9dd.

50.

Artifact-reduced two-dimensional cine steady state free precession for myocardial blood- oxygen-level-dependent imaging.

Zhou X, Tsaftaris SA, Liu Y, Tang R, Klein R, Zuehlsdorff S, Li D, Dharmakumar R.

J Magn Reson Imaging. 2010 Apr;31(4):863-71. doi: 10.1002/jmri.22116.

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