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Weight reduction and salt restriction in hypertension: effects on blood pressure and intracellular electrolytes
Abstract:
In 16 essential hypertensives on a program of energy restriction (800 kcal/day) with and without simultaneous salt restriction, the effects on blood pressure and intracellular Na+ and Ca2+ in red blood cells were studied. A decrease in blood pressure and intracellular free Na+ and Ca2+ was only observed in the cases of simultaneous energy and salt restriction. The beneficial effect of weight reduction in hypertension thus depends on a diminished salt intake and is probably mediated by changes in intracellular free Ca2+.
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