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Quantification of enhancement of left ventricular myocardium in patients with dilated cardiomyopathy using delayed enhanced MR imaging.
http://hdl.handle.net/10069/22655
http://hdl.handle.net/10069/226556d21709d-8f16-4f07-9750-754386982943
名前 / ファイル | ライセンス | アクション |
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CMIG_Sueyoshi.pdf (165.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-12-22 | |||||
タイトル | ||||||
タイトル | Quantification of enhancement of left ventricular myocardium in patients with dilated cardiomyopathy using delayed enhanced MR imaging. | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Contractile function | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Delayed enhancement | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Diagnosis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Dilated cardiomyopathy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Magnetic resonance | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Sueyoshi, Eijun
× Sueyoshi, Eijun× Sakamoto, Ichiro× Hayashida, Takeshi× Uetani, Masataka |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The purpose is to evaluate delayed enhancement (DE) of the myocardium in patients with dilated cardiomyopathy (DCM), compared with control subjects. We also evaluated the interrelationships of DE and contractile function. DCM patients (n = 42) and 14 control subjects were evaluated by DE MR imaging, acquired using a two-dimensional segmented inversion-recovery prepared gradient-echo sequence (TI = 250 ms), 15 min after intravenous administration of 0.2 mmol/kg gadolinium. For the myocardium of left ventricle (LV), we traced epicardial and endocardial borders, and regions of interest (ROIs) were placed in each slice. For analysis of DE images, the signal-to-noise ratio (SNR) and the contrast-to-noise ratio (CNR) of the LV myocardium were calculated. The averaged SNR (aSNR) and averaged CNR (aCNR) per slice of the LV myocardium were calculated. In the DCM group, we also evaluated the interrelationship of DE and the contractile function of the LV. Mean aSNR was not significantly different between the studied groups; however, mean aCNR was significantly higher in the DCM group (3.5+/-3.1) than in control subjects (-4.1+/-2.1). In the DCM group, aCNR was moderately related to LV ejection fraction (LVEF) (r = 0.52, P<.0001). Mean aCNR was significantly higher in the DCM group with low LVEF (<25%) (6.0+/-2.8) than in the DCM group with high LVEF (>or=25%) (2.0+/-2.3). In DE MR imaging, the LV myocardium of DCM usually has high aCNR, which may suggest fibrosis. Quantification of aCNR may contribute to the diagnosis of DCM. The level of aCNR seems to correlate with LVEF. Using this technique, quantification of aCNR is objective and very useful for the diagnosis of DCM and contractile function of LV. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | without Figures | |||||
書誌情報 |
Computerized medical imaging and graphics 巻 33, 号 7, p. 547-552, 発行日 2009-10 |
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出版者 | ||||||
出版者 | Elsevier Ltd. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 08956111 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1879-0771 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10668739 | |||||
PubMed番号 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | PMID | |||||
関連識別子 | 19545975 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.compmedimag.2009.05.005 | |||||
権利 | ||||||
権利情報 | Copyright c 2009 Elsevier Ltd All rights reserved. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Computerized Medical Imaging and Graphics, 33(7), pp.547-552; 2009 |