IMPORTANCE OF REGURGITANT FRACTION FOR LEFT VENTRICULAR END-SYSTOLIC WALL STRESS TO END-SYSTOLIC VOLUME RATIO IN PATIENTS WITH CHRONIC MITRAL REGURGITATION
スポンサーリンク
概要
- 論文の詳細を見る
End-systolic wall stress to end-systolic volume index (ESWS/ESVI) ratio is an index of myocardial contractility. In the presence of mitral regurgitation (MR), this ratio may be modified by the unloading effect of a leakage of flow into the low pressure left atrium. Therefore, to evaluate whether or not this ratio is an index of myocardial function in patients with MR, we compared the ratio with conventional measurements of myocardial performance in 11 patients with moderate to severe MR. The ESWS/ESVI ratio was 3.9±1.6 kdyn/cm^5 per m^2 in MR and slightly lower than the control value of 4.6±0.6 kdyn/cm^5 per m^2. The correlation between ESWS/ESVI ratio and ejection fraction was poor (r = 0.05, p : NS), while there was a close inverse correlation between the ratio and regurgitant fraction (r=0.76, p<0.01). These results strongly suggest that ESWS/ESVI ratio is a better indicator of myocardial function than ejection fraction in MR; however, this ratio could be affected by not only the inotropic state of the ventricle, but also by the extent of mitral regurgitation.
- 社団法人日本循環器学会の論文
- 1988-05-20
著者
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Fujita Masatoshi
Kyoto University
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Sasayama Shigetake
The Second Department Of Internal Medicine Toyama Medical And Pharmaceutical University
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Fujita Masatoshi
The Second Department Of Internal Medicine Toyama Medical And Pharmaceutical University
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EJIRI MICHIAKI
The Second Department of Internal Medicine, Toyama Medical and Pharmaceutical University
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YOKAWA Shigeru
The Second Department of Internal Meidcine Toyama Medical and Pharmaceutical University
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Ejiri Michiaki
The Second Department Of Internal Medicine Toyama Medical And Pharmaceutical University
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Yokawa Shigeru
The Second Department Of Internal Medicine. Toyama Medical And Pharmaceutical University
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Ejiri Michiaki
Cardiology Division Kamiokacho Hospital
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Fujita Masatoshi
The 2nd Department Of Internal Medicine Toyama Medical & Pharmaceutical University
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Sasayama Shigetake
The 2nd Department Of Internal Medicine Toyama Medical & Pharmaceutical University
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Sasayama Shigetake
The Second Dept. Of Internal Medicine Toyama Medical And Pharmaceutical University
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