Analyze of right ventricular strain and cardiac dyssynchrony cine-tagging MRI in adult congenital heart disease
Project/Area Number |
25461831
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Radiation science
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Research Institution | Kyushu University |
Principal Investigator |
Nagao Michinobu 九州大学, 医学(系)研究科(研究院), 准教授 (60533081)
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Co-Investigator(Kenkyū-buntansha) |
Kamitani Takeshi 九州大学, 病院, 助教 (20419534)
Yamamura Kenichiro 九州大学, 病院, 助教 (30532858)
Honda Hiroshi 九州大学, 医学研究院, 教授 (90145433)
Sakamoto Ichiro 九州大学, 医学研究院, 助教 (90616616)
松尾 芳雄 九州大学, 大学病院, 助教 (50419595)
米澤 政人 九州大学, 大学病院, その他 (80529834)
川波 哲 九州大学, 医学(系)研究科(研究院), 助教 (50330999)
山崎 誘三 九州大学, 大学病院, その他 (00643347)
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Project Period (FY) |
2013-04-01 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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Keywords | MRI / 成人先天性心疾患 / 心筋ストレイン / 心臓同期性障害 / 心不全 / 心臓MRI / タギングMRI / 右心不全 |
Outline of Final Research Achievements |
Right ventricular (RV) failure and ventricular dyssynchrony are strong determinants of prognosis in patients with adult congenital heart disease (ACHD). The aim was to investigate the relationship between interventricular dyssynchrony (IVD) using tagged MRI and RV dysfunction in ACHD. 62 ACHD patients underwent tagging MRI. Time curves of myocardial strains for RV and left ventricle (LV) were delivered from tagging images. Contraction delay between RV and LV was computed by cross-correlation analysis of the two strain time curves and was defined as IVD. IVD was greater for patients with RVEF <40% than for those with RVEF >40% and was greater for patients with RV systolic pressure >40mmHg than for those with RV systolic pressure <40mmHg. ROC analysis revealed optimal IVD thresholds for detecting patients with RVEF <40% with C-statistics of 0.76 and patients with RV systolic pressure >40mmHg with C-statistics of 0.81. IVD may offer an indicator for RV failure in ACHD.
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Report
(4 results)
Research Products
(28 results)
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[Journal Article] 1.Prediction of adverse cardiac events in dilated cardiomyopathy using cardiac T2* MRI and MIBG scintigraphy.2015
Author(s)
Michinobu Nagao, Shingo Baba, Masato Yonezawa, Yuzo Yamasaki, Takeshi Kamitani, Takuro Isoda, Satoshi Kawanami, Yasuhiro Maruoka, Yoshiyuki Kitamura, Kohtaro Abe, Taiki Higo, Kenji Sunagawa, Hiroshi Honda
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Journal Title
International Journal of Cardiovascular Imaging
Volume: 31
Issue: 2
Pages: 399-407
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Quantitative assessment of right ventricular function and pulmonary regurgitation in surgically repaired tetralogy of Fallot using 256-slice CT: comparison with 3-Tesla MRI.2014
Author(s)
Yuzo Yamasaki, Michinobu Nagao, Kenichiro Yamamura, Masato Yonezawa, Yoshio Matsuo, Satoshi Kawanami, Takeshi Kamitani, Ko Higuchi, Ichiro Sakamoto, Yuichi Shiokawa, Hidetake Yabuuchi, Hiroshi Honda.
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Journal Title
European Radiology
Volume: 24
Issue: 12
Pages: 3289-3299
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Quantification of myocardial iron deficiency in nonischemic heart failure by cardiac t2* magnetic resonance imaging.2014
Author(s)
Nagao M, Matsuo Y, Kamitani T, Yonezawa M, Yamasaki Y, Kawanami S, Abe K, Mukai Y, Higo T, Yabuuchi H, Takemura A, Yoshiura T, Sunagawa K, Honda H.
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Journal Title
Am J Cardiol.
Volume: 113
Issue: 6
Pages: 1024-1030
DOI
Related Report
Peer Reviewed
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[Presentation] Myocardial iron deficiency in non-ischemic heart failure: quantification by cardiac T2* magnetic resonance imaging.2014
Author(s)
Michinobu Nagao, Masato Yonezawa, Takeshi Kamitani, Yuzo Yamasaki, Satoshi Kawanami, Youko Fujita, Kohtaro Abe, Taiki Higo, Kenji Sunagawa, Hiroshi Honda
Organizer
European Society of Cardiology Congress 2014
Place of Presentation
Barcelona, Spain
Year and Date
2014-08-30 – 2014-09-03
Related Report
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[Book] 臨床放射線2015
Author(s)
長尾充展, 米澤政人, 山崎誘三, 神谷武志, 藤田陽子, 山之内寅彦, 川波哲, 本田浩
Total Pages
345
Publisher
金原出版
Related Report
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[Book] 臨床画像2015
Author(s)
長尾充展, 米澤政人, 山崎誘三, 神谷武志, 山之内寅彦, 川波哲, 本田浩
Total Pages
231
Publisher
メジカルビュー社
Related Report
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[Book] 臨床放射線2014
Author(s)
長尾充展, 馬場真吾, 米澤政人, 山崎誘三, 神谷武志, 川波哲, 磯田拓郎, 丸岡保博, 北村宣之, 松尾芳雄, 本田浩
Total Pages
1910
Publisher
金原出版
Related Report