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Oyama-Manabe, N., Ishimori, N., Sugimori, H., Van Cauteren, M., Kudo, K., Manabe, O., Okuaki, T., Kamishima, T., Ito, Y.M., Tsutsui, H., Tha, K.K., Terae, S. and Shirato, H. (2011) Identification and Further Differentiation of Subendocardial and Transmural Myocardial Infarction by Fast Strain-Encoded (SENC) Magnetic Resonance Imaging at 3.0 Tesla. European Radiology, 21, 2362-2368. http://dx.doi.org/10.1007/s00330-011-2177-4

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• TITLE: The Detectability for the Myocardial Fibrosis by Tagging Imaging on Cardiovascular Magnetic Resonance

  AUTHORS: Atsushi K. Kono, Pierre Croisille, Tatsuya Nishii, Katsusuke Kyotani, Koya Nishiyama, Mayumi Shigeru, Sachiko Takamine, Sei Fujiwara, Kazuro Sugimura

  KEYWORDS: Tagging Imaging; Late Gadolinium Enhancement; Myocardial Fibrosis; Cardiovascular Magnetic Resonance

  JOURNAL NAME: Open Journal of Radiology, Vol.4 No.1, February 18, 2014

  ABSTRACT: Purpose: Myocardial fibrosis causes cardiac dysfunction, arrhythmias, and sudden death. Tagging imaging on cardiovascular MR can measure the intra-myocardial motion from the dynamic deformation of lines superimposed on the myocardium. The purpose of this study was to evaluate the detectability of myocardial fibrosis using tagging imaging and to compare this with conventional cine imaging. Materials and Methods: We reviewed 4 normal control (NML) subjects, 4 patients with myocarditis (MYO), and 4 patients with old myocardial infarction (ICM). We measured circumferential strain (Ecc) from tagging imaging, and regional wall thickening (rWT) from cine imaging. Fibrosis was determined from a late gadolinium enhancement (LGE) image. We evaluate diagnostic performance by comparing values of the area under curve (AUC) using ROC analysis. Results: Mean values of Ecc and rWT decreased in the area of LGE both in MYO and ICM patients. AUC values of Ecc and rWT in all subjects were 0.98 and 0.84, respectively (p