Treatment of congestive heart failure: new concepts |
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Authors: | Y Morin |
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Abstract: | In the past, hemodynamic factors, in congestive heart failure were considered as being of major importance in the production of the major symptoms and signs of the disease: peripheral (increased oxygen extraction, flow redistribution) or central (Starling's law, myocardial contractility). More recently, excessive hormonal compensation has been felt to be more important such as: The renine-angiotensin-aldosterone axis, Circulating catecholamines, Arginin-vasopressin. These hormones are responsible for water and sodium retention, tachycardia and increase in peripheral resistance. Newer agents such as Captopril are effective in blocking the action of these endocrine factors. |
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