Why the study?
Does sodium chloride supplementation increase blood pressure in stable CAPD patients?
Population
20 stable continuous ambulatory peritoneal dialysis (CAPD) patients, 10 of whom were hypertensive.
Comparison
Sodium chloride pills (60 mEq of sodium per day) vs Placebo
Design
RCT, Double-blind
Authors
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Supports relaxing sodium restrictions in stable CAPD patients; extends RCT evidence that 200 mEq/day intake is well tolerated with minimal BP effects.
Does sodium chloride supplementation increase blood pressure in stable CAPD patients?
A normal sodium intake of 200 mEq per day is easily tolerated in stable CAPD patients without clinically important increases in blood pressure, suggesting current restrictions may be too strict.
Fine et al. (1997) studied this question.
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