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  • Title: Effects of severe and moderate salt restriction on serum lipids in nonobese normotensive adults.
    Author: Ruppert M, Overlack A, Kolloch R, Kraft K, Lennarz M, Stumpe KO.
    Journal: Am J Med Sci; 1994 Feb; 307 Suppl 1():S87-90. PubMed ID: 8141172.
    Abstract:
    The effects of severe and moderate sodium restriction on blood pressure and serum lipids were studied in nonobese normotensive adults. Subjects (n = 163) were given a low (20 mmol Na/d) and high (300 mmol Na/d) salt diet for 1 week each in random order. Of these subjects, 25 were selected to participate in a second study with moderate salt restriction (85 mmol na/d) or "normal" sodium diet (200 mmol Na/d) given for 4 weeks each in random order. After severe salt restriction, 19% of the 163 subjects had a significant decrease in blood pressure (salt-sensitive), 15% showed a significant rise (counter-regulator), and 66% exhibited no change (salt-resistant). Severe sodium restriction increased serum total and low density lipoprotein (LDL) cholesterol and triglycerides. After correction for hematocrit, the changes in blood lipids remained significant in the counter regulators only. After moderate salt restriction, serum lipid concentrations and blood pressure did not change.
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