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Ahmed Samir Fahmy Amin Emam, Ph.D.


Johns Hopkins University, Baltimore, MDPhD05/2006Medical Imaging
Gold Star Reviewer Award
Distinguished Reviewer Award


The research activities and funding listed below are automatically derived from NIH ExPORTER and other sources, which might result in incorrect or missing items. Faculty can login to make corrections and additions.
  1. 1R01HL154744 (Reza Nezafat) Jul 1, 2020 - Jun 30, 2024
    Gadolinium Free Cardiac MR Imaging of Scar and Fibrosis
    Role Description: The goal of this project is to develop techniques that could reduce administration of gadolinium-based contrast agents in cardiovascular MRI for imaging of scar and fibrosis.
    Role: Co-Investigator
  2. 19AIML34850090 (Ahmed S Fahmy) Jul 1, 2019 - Jun 30, 2021
    American Heart Association (AHA)
    Deep learning based platform for accurate quantification of scar burden in hypertrophic cardiomyopathy
    Role Description: In this study, we propose to employ deep learning (DL) technologies to fully automate and standardize myocardium scar quantification in late gadolinium enhancement images with accuracy comparable to expert readers.
    Role: PI

Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
  1. Nezafat M, El-Rewaidy H, Kucukseymen S, Hauser TH, Fahmy AS. Deep convolution neural networks based artifact suppression in under-sampled radial acquisitions of myocardial T 1 mapping images. Phys Med Biol. 2020 11 24; 65(22):225024. PMID: 33045693.
    Citations: 2     Fields:    Translation:Humans
  2. El-Rewaidy H, Fahmy AS, Pashakhanloo F, Cai X, Kucukseymen S, Csecs I, Neisius U, Haji-Valizadeh H, Menze B, Nezafat R. Multi-domain convolutional neural network (MD-CNN) for radial reconstruction of dynamic cardiac MRI. Magn Reson Med. 2021 03; 85(3):1195-1208. PMID: 32924188.
    Citations: 1     Fields:    Translation:Humans
  3. Zhu Y, Fahmy AS, Duan C, Nakamori S, Nezafat R. Automated Myocardial T2 and Extracellular Volume Quantification in Cardiac MRI Using Transfer Learning-based Myocardium Segmentation. Radiol Artif Intell. 2020 Jan 29; 2(1):e190034. PMID: 32076664; PMCID: PMC6996604.
    Citations: 5     
  4. Ahmed Y, Hussein RS, Basha TA, Khalifa AM, Ibrahim AS, Abdelmoaty AS, Abdella HM, Fahmy AS. Detecting liver fibrosis using a machine learning-based approach to the quantification of the heart-induced deformation in tagged MR images. NMR Biomed. 2020 01; 33(1):e4215. PMID: 31730265.
    Citations: 5     Fields:    Translation:Humans
  5. Fahmy AS, Neisius U, Chan RH, Rowin EJ, Manning WJ, Maron MS, Nezafat R. Three-dimensional Deep Convolutional Neural Networks for Automated Myocardial Scar Quantification in Hypertrophic Cardiomyopathy: A Multicenter Multivendor Study. Radiology. 2020 01; 294(1):52-60. PMID: 31714190; PMCID: PMC6939743.
    Citations: 11     Fields:    Translation:Humans
  6. Neisius U, Myerson L, Fahmy AS, Nakamori S, El-Rewaidy H, Joshi G, Duan C, Manning WJ, Nezafat R. Cardiovascular magnetic resonance feature tracking strain analysis for discrimination between hypertensive heart disease and hypertrophic cardiomyopathy. PLoS One. 2019; 14(8):e0221061. PMID: 31433823.
    Citations: 19     Fields:    Translation:HumansCTClinical Trials
  7. Khadim MF, Emam A, Wright TC, Chapman TWL, Khan U. A comparison between the Major Trauma Centre management of complex open lower limb fractures in children and the elderly. Injury. 2019 Jul; 50(7):1376-1381. PMID: 31128908.
    Citations: 3     Fields:    Translation:Humans
  8. Ali HEA, Emam AA, Zeeneldin AA, Srour R, Tabashy R, El-Desouky ED, Abd Elmageed ZY, Abdel-Wahab AA. Circulating miR-26a, miR-106b, miR-107 and miR-133b stratify hepatocellular carcinoma patients according to their response to transarterial chemoembolization. Clin Biochem. 2019 Mar; 65:45-52. PMID: 30653948; PMCID: PMC6397777.
    Citations: 10     Fields:    Translation:Humans
  9. Fahmy AS, El-Rewaidy H, Nezafat M, Nakamori S, Nezafat R. Automated analysis of cardiovascular magnetic resonance myocardial native T1 mapping images using fully convolutional neural networks. J Cardiovasc Magn Reson. 2019 01 14; 21(1):7. PMID: 30636630; PMCID: PMC6330747.
    Citations: 27     Fields:    Translation:Humans
  10. Duan C, Zhu Y, Jang J, Rodriguez J, Neisius U, Fahmy AS, Nezafat R. Non-contrast myocardial infarct scar assessment using a hybrid native T1 and magnetization transfer imaging sequence at 1.5T. Magn Reson Med. 2019 05; 81(5):3192-3201. PMID: 30565296; PMCID: PMC6442732.
    Citations: 4     Fields:    Translation:HumansAnimals
  11. Hassan T, Zakaria M, Fathy M, Arafa M, El Gebaly S, Emam A, Abdel Wahab A, Shehab M, Salah H, Malek M, El Gerby K. Association between genotype and disease complications in Egyptian patients with beta thalassemia: A Cross-sectional study. Sci Rep. 2018 12 07; 8(1):17730. PMID: 30531823; PMCID: PMC6286337.
    Citations: 3     Fields:    Translation:Humans
  12. Fahmy AS, Rausch J, Neisius U, Chan RH, Maron MS, Appelbaum E, Menze B, Nezafat R. Automated Cardiac MR Scar Quantification in Hypertrophic Cardiomyopathy Using Deep Convolutional Neural Networks. JACC Cardiovasc Imaging. 2018 12; 11(12):1917-1918. PMID: 30121270.
    Citations: 24     Fields:    Translation:Humans
  13. Nezafat M, Nakamori S, Basha TA, Fahmy AS, Hauser T, Botnar RM. Imaging sequence for joint myocardial T1 mapping and fat/water separation. Magn Reson Med. 2019 01; 81(1):486-494. PMID: 30058096; PMCID: PMC6258274.
    Citations: 5     Fields:    Translation:Humans
  14. Fahmy AS, Neisius U, Tsao CW, Berg S, Goddu E, Pierce P, Basha TA, Ngo L, Manning WJ, Nezafat R. Gray blood late gadolinium enhancement cardiovascular magnetic resonance for improved detection of myocardial scar. J Cardiovasc Magn Reson. 2018 03 22; 20(1):22. PMID: 29562921.
    Citations: 13     Fields:    Translation:HumansAnimals
  15. El-Rewaidy H, Nezafat M, Jang J, Nakamori S, Fahmy AS, Nezafat R. Nonrigid active shape model-based registration framework for motion correction of cardiac T1 mapping. Magn Reson Med. 2018 08; 80(2):780-791. PMID: 29314198.
    Citations: 6     Fields:    Translation:Humans
  16. Harries L, Emam A, Khan U. Pain after ortho-plastic reconstruction of lower limb injuries: A snapshot study. Injury. 2018 Feb; 49(2):414-419. PMID: 29279135.
    Citations:    Fields:    Translation:Humans
  17. Fahmy AS, Ibrahim EH, Osman NF. Spectrally-Presaturated Modulation (SPM): An efficient fat suppression technique for STEAM-based cardiac imaging sequences. Magn Reson Imaging. 2017 Apr; 37:209-215. PMID: 27826082.
    Citations: 1     Fields:    Translation:Humans
  18. ElDeeb SM, Fahmy AS. Accurate harmonic phase tracking of tagged MRI using locally-uniform myocardium displacement constraint. Med Eng Phys. 2016 11; 38(11):1305-1313. PMID: 27595475.
    Citations:    Fields:    
  19. El-Rewaidy H, Fahmy AS. Improved estimation of the cardiac global function using combined long and short axis MRI images of the heart. Biomed Eng Online. 2016 Apr 27; 15:45. PMID: 27121288.
    Citations: 1     Fields:    Translation:Humans
  20. Wael M, Ibrahim el-SH, Fahmy AS. Detection of Cardiac Function Abnormality from MRI Images Using Normalized Wall Thickness Temporal Patterns. Int J Biomed Imaging. 2016; 2016:4301087. PMID: 27034648; PMCID: PMC4791492.
  21. Makram AW, Khalifa AM, El-Rewaidy H, Fahmy AS, Ibrahim el-SH. Assessment of cardiac mass from tagged magnetic resonance images. Jpn J Radiol. 2016 Feb; 34(2):158-65. PMID: 26627894.
    Citations:    Fields:    Translation:Humans
  22. Emad O, Yassine IA, Fahmy AS. Automatic localization of the left ventricle in cardiac MRI images using deep learning. Annu Int Conf IEEE Eng Med Biol Soc. 2015 Aug; 2015:683-6. PMID: 26736354.
    Citations: 17     Fields:    Translation:Humans
  23. Nour-Eldin NE, Alsubhi M, Naguib NN, Lehnert T, Emam A, Beeres M, Bodelle B, Koitka K, Vogl TJ, Jacobi V. Risk factor analysis of pulmonary hemorrhage complicating CT-guided lung biopsy in coaxial and non-coaxial core biopsy techniques in 650 patients. Eur J Radiol. 2014 Oct; 83(10):1945-52. PMID: 25063212.
    Citations: 15     Fields:    Translation:Humans
  24. El-Rewaidy H, Khalifa A, Fahmy AS. Accurate estimation of the myocardium global function from reduced magnetic resonance image acquisitions. Annu Int Conf IEEE Eng Med Biol Soc. 2014; 2014:6728-31. PMID: 25571540.
    Citations: 2     Fields:    Translation:Humans
  25. Eldeeb SM, Khalifa AM, Fahmy AS. Hybrid intensity- and phase-based optical flow tracking of tagged MRI. Annu Int Conf IEEE Eng Med Biol Soc. 2014; 2014:1059-62. PMID: 25570144.
    Citations:    Fields:    Translation:Humans
  26. Suinesiaputra A, Cowan BR, Al-Agamy AO, Elattar MA, Ayache N, Fahmy AS, Khalifa AM, Medrano-Gracia P, Jolly MP, Kadish AH, Lee DC, Margeta J, Warfield SK, Young AA. A collaborative resource to build consensus for automated left ventricular segmentation of cardiac MR images. Med Image Anal. 2014 Jan; 18(1):50-62. PMID: 24091241.
    Citations: 35     Fields:    Translation:Humans
  27. Abdelmoula WM, Shah SM, Fahmy AS. Segmentation of choroidal neovascularization in fundus fluorescein angiograms. IEEE Trans Biomed Eng. 2013 May; 60(5):1439-45. PMID: 23314765.
    Citations: 2     Fields:    Translation:Humans
  28. ElBaz MS, Fahmy AS. Active shape model with inter-profile modeling paradigm for cardiac right ventricle segmentation. Med Image Comput Comput Assist Interv. 2012; 15(Pt 1):691-8. PMID: 23285612.
    Citations: 2     Fields:    Translation:Humans
  29. Eldeeb SM, Abdelmoula WM, Shah SM, Fahmy AS. Quantitative assessment of age-related macular degeneration using parametric modeling of the leakage transfer function: preliminary results. Annu Int Conf IEEE Eng Med Biol Soc. 2012; 2012:5967-70. PMID: 23367288.
    Citations:    Fields:    Translation:Humans
  30. Mahfouz AE, Fahmy AS. Fast localization of the optic disc using projection of image features. IEEE Trans Image Process. 2010 Dec; 19(12):3285-9. PMID: 20550999.
    Citations: 6     Fields:    
  31. Hamdan A, Thouet T, Kelle S, Wellnhofer E, Paetsch I, Gebker R, Schnackenburg B, Fahmy AS, Osman NF, Bornstedt A, Fleck E. Strain-encoded MRI to evaluate normal left ventricular function and timing of contraction at 3.0 Tesla. J Magn Reson Imaging. 2009 Apr; 29(4):799-808. PMID: 19306402.
    Citations: 7     Fields:    Translation:Humans
  32. Mahfouz AE, Fahmy AS. Ultrafast localization of the optic disc using dimensionality reduction of the search space. Med Image Comput Comput Assist Interv. 2009; 12(Pt 2):985-92. PMID: 20426207.
    Citations: 1     Fields:    Translation:Humans
  33. Fahmy AS, Basha TA, Osman NF. Inherent fat cancellation in complementary spatial modulation of magnetization. Magn Reson Med. 2009 Jan; 61(1):234-8. PMID: 19097228.
    Citations: 1     Fields:    Translation:Humans
  34. Hamdan A, Thouet T, Kelle S, Sebastian K, Paetsch I, Gebker R, Wellnhofer E, Schnackenburg B, Fahmy AS, Osman NF, Fleck E. Regional right ventricular function and timing of contraction in healthy volunteers evaluated by strain-encoded MRI. J Magn Reson Imaging. 2008 Dec; 28(6):1379-85. PMID: 19025945.
    Citations: 14     Fields:    Translation:Humans
  35. Fahmy AS. Background noise removal in cardiac magnetic resonance images using Bayes classifier. Annu Int Conf IEEE Eng Med Biol Soc. 2008; 2008:3393-6. PMID: 19163437.
    Citations:    Fields:    Translation:Humans
  36. Ibrahim el-SH, Stuber M, Fahmy AS, Abd-Elmoniem KZ, Sasano T, Abraham MR, Osman NF. Real-time MR imaging of myocardial regional function using strain-encoding (SENC) with tissue through-plane motion tracking. J Magn Reson Imaging. 2007 Dec; 26(6):1461-70. PMID: 17968902.
    Citations: 16     Fields:    Translation:HumansAnimals
  37. Shah SM, Tatlipinar S, Quinlan E, Sung JU, Tabandeh H, Nguyen QD, Fahmy AS, Zimmer-Galler I, Symons RC, Cedarbaum JM, Campochiaro PA. Dynamic and quantitative analysis of choroidal neovascularization by fluorescein angiography. Invest Ophthalmol Vis Sci. 2006 Dec; 47(12):5460-8. PMID: 17122137.
    Citations: 7     Fields:    Translation:HumansCTClinical Trials
  38. Fahmy AS, Pan L, Osman NF. Artifact-free black-blood cine cardiac imaging in a single breath-hold. Magn Reson Imaging. 2006 Dec; 24(10):1303-10. PMID: 17145401.
    Citations: 3     Fields:    Translation:HumansAnimals
  39. Fahmy AS, Krieger A, Osman NF. An integrated system for real-time detection of stiff masses with a single compression. IEEE Trans Biomed Eng. 2006 Jul; 53(7):1286-93. PMID: 16830933.
    Citations: 2     Fields:    
  40. Kadah YM, Fahmy AS, Gabr RE, Heberlein K, Hu XP. Progressive magnetic resonance image reconstruction based on iterative solution of a sparse linear system. Int J Biomed Imaging. 2006; 2006:49378. PMID: 23165034.
    Citations: 2     
  41. Fahmy AS, Pan L, Stuber M, Osman NF. Correction of through-plane deformation artifacts in stimulated echo acquisition mode cardiac imaging. Magn Reson Med. 2006 Feb; 55(2):404-12. PMID: 16408265.
    Citations: 2     Fields:    Translation:HumansAnimals
  42. Kadah YM, Abaza AA, Fahmy AS, Youssef AB, Heberlein K, Hu XP. Floating navigator echo (FNAV) for in-plane 2D translational motion estimation. Magn Reson Med. 2004 Feb; 51(2):403-7. PMID: 14755668.
    Citations: 5     Fields:    
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.