The Effect of Angiotensin-Converting Enzyme Inhibition on Regional Blood Flow in Salt-Depleted and Salt-Loaded Normotensive Conscious Rats
スポンサーリンク
概要
- 論文の詳細を見る
The effect of angiotensinconverting enzyme inhibition on regional blood flow was studied in a total of 21 normotensive Wistar rats fed on either low or high salt diet. A new potent angiotensinconverting enzyme inhibitor (CEI), SQ 14, 225 was administered intravenously in a dose of 2mg/Kg to the conscious animals, and changes in fractional distribution of cardiac output were determined with a microsphere method.Prior to administration of CEI, there was no significant difference in mean arterial pressure (MAP) or regional blood flow between saltdepleted and saltloaded rats. With CEI, MAP did not change significantly in either group. Fractional distribution of cardiac output increased to the kidneys (p<0.002), and decreased to the stomach, spleen, and skeletal muscle (p<0.02, p<0.002, and p<0.01, respectively) in the saltdepleted group, while a pattern of blood flow distribution was not changed in the saltloaded group.These results suggest that angiotensin II plays an important role in regulating regional blood flow in saltdepleted conscious animals, but not in saltloaded ones.
- International Heart Journal刊行会の論文
著者
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Goto Atsuo
Second Department of Internal Medicine, University of Tokyo
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Matsuoka Hiroaki
Second Department of Internal Medicine, University of Tokyo
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HIRATA Yasunobu
Second Department of Internal Medicine, Faculty of Medicine
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Nishiyama Keisuke
Division Of Nephrology The Japanese Red Cross Medical Center
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Nishiyama Keisuke
The Second Department Of Internal Medicine Faculty Of Medicine University Of Tokyo
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TAKEDA Tadanao
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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Murao Satoru
Second Department Of Internal Medicine Faculty Of Medicine University Of Tokyo
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NISHIYAMA Keisuke
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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Ishii Masao
Second Department Of Internaal Medicine Yokohama City University
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NAKAMURA Yuji
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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KIMURA Kenjiro
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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MATSUOKA Hiroaki
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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TAKEDA Tadanao
Second Department of Internal Medicine and the Department of Thoracic Surgery, Faculty of Medicine, University of Tokyo
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GOTO Atsuo
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo
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