Document Detail

Mechanism, prevention and therapy of sodium-dependent hypertension.
MedLine Citation:
PMID:  7001899     Owner:  NLM     Status:  MEDLINE    
This review considers the mechanism, prevention and therapy of sodium-dependent, low-renin, presumably volume-expanded, hypertension. Certain evidence suggests that in susceptible persons the basic problem is a genetic or acquired deficiency in the ability of the kidney to excrete sodium and hence water. This places them at a disadvantage in a society such as ours in which the salt intake is uniformly high, to a large extent because of the salt content in commercially processed foods. Other evidence suggests that the blood pressure level rises in part because the volume expansion evokes the release of an unknown, slowly-acting, pressor agent which operates by stimulating the contractility of cardiovascular muscle through suppression of the cellular sodium-potassium pump, much in the manner of the cardiac glycosides. Several investigators and the Select Committee on GRAS Substances suggest that the incidence of salt-dependent hypertension could be significantly decreased in a society such as ours if salt intake were reduced from the present level of approximately 10 g/day to 12 g/day. An obvious starting point is a reduction of the salt content in processed foods. The Food and Nutrition Board of the National Research Council suggest that a judicious combination of dietary sodium restriction and the use of an appropriate diuretic is the most rational approach to the treatment and management of diseases characterized by retention of sodium.
F J Haddy
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  The American journal of medicine     Volume:  69     ISSN:  0002-9343     ISO Abbreviation:  Am. J. Med.     Publication Date:  1980 Nov 
Date Detail:
Created Date:  1981-01-29     Completed Date:  1981-01-29     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  0267200     Medline TA:  Am J Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  746-58     Citation Subset:  AIM; IM    
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MeSH Terms
Blood Pressure
Blood Vessels / metabolism
Diet, Sodium-Restricted
Hypertension / etiology,  physiopathology,  prevention & control*,  therapy
Myocardium / metabolism
Potassium / metabolism
Sodium / metabolism
Sodium Chloride / administration & dosage,  adverse effects*
Sodium Chloride Symporter Inhibitors / therapeutic use
Reg. No./Substance:
0/Benzothiadiazines; 0/Diuretics; 0/Sodium Chloride Symporter Inhibitors; 7440-09-7/Potassium; 7440-23-5/Sodium; 7647-14-5/Sodium Chloride

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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