RELATIONSHIPS BETWEEN LEFT VENTRICULAR MASS, LEFT VENTRICULAR WORK AND CORONARY ARTERY SIZE IN AORTIC REGURGITATION : Possible Mechanism of Myocardial Ischemia
スポンサーリンク
概要
- 論文の詳細を見る
To investigate the relationships between coronary artery size, left ventricular (LV) mass, and LV stroke work in aortic regurgitation (AR), these values were measured in 19 patients with severe AR. Twenty normal subjects and 15 patients with mitral regurgitation (MR) were used as control groups. The coronary area index, i.e., the coronary cross-sectional area divided by body surface area (BSA), was larger in the AR group than in the control groups in all measured sites except for the peripheral left anterior descending coronary artery (LAD) and right coronary artery (RCA). However, the coronary area index divided by the LV mass was significantly smaller in AR and MR patients than in normal subjects. Furthermore, the coronary area index divided by LV stroke work was smaller in AR patients than in MR patients and normal subjects. These results suggest that the coronary blood flow associated with the increased LV mass and stroke work caused by regurgitation was insufficient in patients with severe AR, especially in the area of the LAD. Therefore, the occurrence of myocardial ischemia in patients with severe AR may involve inadequate enlargement of the coronary artery which perfuses the LV, in addition to factors such as decreased coronary perfusion pressure, increased coronary artery resistance and decreased coronary flow reserve.
- 社団法人日本循環器学会の論文
- 1993-04-20
著者
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Sonoda Masahiro
Second Department of Cardiology, Kagoshima Medical Center, National Hospital Organization
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Amitani Shigeru
Department Of Digestive And Life-style Related Diseases Kagoshima University Graduate School Of Medi
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MIYAHARA Kenkichi
Division of Cardiology Shinkyo Hospital
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Sonoda Masahiro
The Second Department of Cardiology, National Hospital Kyusyu Cardiovascular Center
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Nakamura Kazuhiko
Second Department Of Cardiology Kagoshima Medical Center National Hospital Organization
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Sonoda Masahiro
Second Department Of Cardiology Kagoshima Medical Center National Hospital Organization
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Sonoda Masahiro
2nd Division Of Cardiovascular Medicine National Hospital Organization Kagoshima Medical Center
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Nakamura Kazuhiko
The Second Department of Internal Medicine, Kagoshima University
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Nakamura Kazuhiko
The 2nd Dep. Of Intern. Med. Kagoshima Univ.
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MIYAHARA KENKICHI
Cardiovascular Division, Shinkyo Hospital
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KUKIHARA TADASHI
The Second Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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AMITANI SHIGERU
The Second Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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MIYANOHARA HIROSHI
The Second Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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KAKURA HIDEAKI
The Second Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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ARIMA TERUKATSU
The Second Department of Internal Medicine, Faculty of Medicine, Kagoshima University
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Amiya Shun
Department Of Digestive And Life-style Related Diseases Kagoshima University Graduate School Of Medi
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MIYAHARA Kenkichi
Sinkyo Hospital
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Sonoda Masahiro
The Second Department Of Cardiology Kyushu Cardiovascular Center
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Nakamura Kazuhiko
The Second Department Of Cardiology Kyushu Cardiovascular Center
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Miyahara Kenkichi
Department Of Cardiology And Cardiovascular Surgery Shinkyo Hospital
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Miyahara Kenkichi
Cardiovascular Division Shinkyo Hospital
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Miyahara Kenkichi
The Second Department Of Internal Medicine Kagoshima University School Of Medicine
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Amiya Shun
Division Of Cardiology(2) Life-style Related Disease University Of Kagoshima
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Arima Terukatsu
The 2nd Department Of Internal Medicine School Of Medicine Kagoshima University
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Kakura Hideaki
The Second Department Of Internal Medicine Faculty Of Medicine Kagoshima University
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Arima Terukatsu
The Second Department Of Internal Medicine Faculty Of Medicine Kagoshima University
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Kukihara Tadashi
The Second Department Of Internal Medicine Faculty Of Medicine Kagoshima University
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Miyahara Kenkichi
Department Of Cardiology Shinkyo Hospital
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Miyahara Kenkichi
The Second Dept. Of Intern. Med. Kagoshima Univ. School Of Med.
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Nakamura Kazuhiko
The Second Cardiovascular Division The National Southern Kyu-syu Central Hospital
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Miyanohara Hiroshi
The Second Department Of Internal Medicine Faculty Of Medicine Kagoshima University
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Nakamura Kazuhiko
2nd Division Of Cardiovascular Medicine National Hospital Organization Kagoshima Medical Center
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Nakamura Kazuhiko
Institute For Clinical Reseach National Hospital Organization Kyushu Cardiovascular Center
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Nakamura Kazuhiko
Division Of 2nd Cardiology National Hospital Organization Kagoshima Medical Center
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Amiya Shun
Department Of Digestive And Life-style Related Diseases Kagoshima University Graduate School Of Medi
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Miyahara Kenkichi
Cardiology, Shinkyo Hospital
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