Noninvasive Differentiation of Normal From Pseudonormal/Restrictive Mitral Flow Using TEI Index Combining Systolic and Diastolic Function
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概要
- 論文の詳細を見る
Differentiation of normal from pseudonormal/restrictive mitral flow is not necessarily easy. Pseudonormal/restrictive flow is usually associated with left ventricular (LV) dysfunction, which can be detected using the TEI index, combining systolic and diastolic function. The purpose of this study was to test the feasibility of using the TEI index to differentiate pseudonormal/restrictive from normal mitral flow. In 33 patients with mitral flow E/A ≥1 and LV mid-diastolic pressure measured by catheterization, the LV volumes, mitral B and A velocity, deceleration time of the E velocity, and the TEI index, defined as the sum of the isovolumic contraction and relaxation time divided by ejection time, were evaluated using Doppler echocardiography. Pseudonormal/restrictive mitral flow was defined as mitral flow E/A ≥1 associated with LV mid-diastolic pressure >12 mmHg. There were 22 and 11 patients with normal and pseudonormal/restrictive mitral flow, respectively. Among the indices of LV function, the TEI index achieved the best correlation with LV mid-diastolic pressures (r^2=0.63, p<0.0001). By setting the TEI index ≥0.65 as the criteria for pseudonormal/restrictive mitral flow, this diagnosis had sensitivity, specificity, and accuracy of 82%, 96%, and 91%, respectively. TEI index allows noninvasive differentiation of pseudonormal /restrictive from normal mitral flow.
- 社団法人日本循環器学会の論文
- 2002-08-20
著者
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KORIYAMA Chihaya
Department of Epidemiology, Preventive Medicine, Graduate School of Medical and Dental Sciences, Kag
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Yoshifuku Shiro
Department Of Cardiovascular Respiratory & Metabolic Medicine Graduate School Of Medicine Kagosh
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TEI Chuwa
First Department of Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sc
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OTSUJI Yutaka
First Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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Yoshifuku Shiro
First Department of Internal Medicine, Kagoshima University School of Medicine
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Zhang Hui
First Department of Internal Medicine, Kagoshima University School of Medicine
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Matsukida Keiko
First Department of Internal Medicine, Kagoshima University School of Medicine
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Kisanuki Akira
First Department of Internal Medicine, Kagoshima University School of Medicine
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Minagoe Shinichi
First Department of Internal Medicine, Kagoshima University School of Medicine
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Zhang Hui
Department Of Cardiovascular Respiratory And Metabolic Medicine Graduate School Of Medicine Kagoshim
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Kumanohoso Toshiro
Department of Cardiology, National Hospital, Kyushu Cardiovascular Center
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Saitou Yoshihiko
The First Department Of Internal Medicine Nara Medical School
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Matsukida Keiko
First Department Of Internal Medicine Kagoshima University School Of Medicine
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Kumanohoso Toshiro
Department Of Cardiology National Hospital Kyushu Cardiovascular Center
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Tei Chuwa
First Department Of Internal Medicine Faculty Of Medicine Kagoshima University
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Hamasaki Shuichi
First Department of Internal Medicine, Kagoshima University
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Kumanohoso Toshiro
First Department of Medicine, Kagoshima University Faculty of Medicine
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Koriyama Chihaya
Department Of Public Health Graduate School Of Medicine Kagoshima University
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Koriyama Chihaya
Department Of Epidemiology And Preventive Medicine Kagoshima University Graduate School Of Medical A
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Otsuji Yutaka
First Department Of Internal Medicine Faculty Of Medicine Kagoshima University
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Kobayashi Akira
Department Of Thoracic And Cardiovascular Surgery Kagoshima University Graduate School Of Medicine A
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Kisanuki Akira
Department Of Cardiovascular Respiratory And Metabolic Medicine Graduate School Of Medicine Kagoshima University
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HAMASAKI Shuichi
First Department of Internal Medicine, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
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Minagoe Shinichi
First Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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Yoshifuku Shiro
First Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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