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Determinants of Severity in Dilated Cardiomyopathy : The Gap of Tricuspid and Mitral Valve Opening
http://hdl.handle.net/10295/1557
http://hdl.handle.net/10295/15577294f6f2-2d6c-472b-8fc7-b583454025c8
名前 / ファイル | ライセンス | アクション |
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akigaku31-34e.pdf (523.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-01-19 | |||||
タイトル | ||||||
タイトル | Determinants of Severity in Dilated Cardiomyopathy : The Gap of Tricuspid and Mitral Valve Opening | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dilated cardiomyopathy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | heart failure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | mitral valve | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tricuspid valve | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | isovolumic relaxation | |||||
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 |
IZUMI, Manabu
× IZUMI, Manabu× KIBIRA, Satoshi× WATANABE, Hiroyuki× TSUYA, Hiroyuki× [ほか] |
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内容記述(抄録) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Objectives: The purpose of this study is to analyze factors that influence the gap of opening timing between the mitral valve (MV) and the tricuspid valve (TV) in patients with dilated cardiomyopathy (DCM). Background: The DCM patients with heart failure often show shorter left ventricular (LV) isovolumic relaxation time (IRT) and longer right ventricular (RV) IRT, which may influence the gap of opening timing between TV and MV. Method: We evaluated consecutive 34 patients with DCM. The time between QRS initial and TV opening (Q-T time), and that between QRS initial and MV opening (QM time) were measured by pulsed Doppler recording of each ventricular inflow. The time interval between MV and TV opening (M-T time) was determined by subtracting Q-M time from Q-T time. In addition, the other Doppler time intervals including preejectional period, ejection time, IRT were determined. We analyzed the relation between Doppler time intervals and factors including NYHA classification and rightsided cardiac pressure. Result: There is significant relationship (p <0.001) between M-T time and PCWP (r=0.65), and NYHA (rs=0.67), respectively. The Ll IRT determined by subtraction of LV IRT from RV IRT, correlated significantly with M-T time (r=0.83, p<O.OOl), however, the difference between LV and RV in PEP and ET did not correlated significantly with M-T time. Conclusion: The gap of opening timing between TV and MV, determined as M-T time, correlates strongly with LlIRT and also the severity of congestive heart failure in DCM patients. |
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著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
書誌情報 |
秋田医学 巻 31, 号 3-4, p. 201-209, 発行日 2004-12-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03866106 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00009294 | |||||
出版者 | ||||||
出版者 | 秋田医学会 |