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Hypertension. 1997 Apr;29(4):913-7.

Long-term effects of neonatal sodium restriction on blood pressure.

Author information

  • 1Department of Epidemiology and Biostatistics, Erasmus University Medical School, Rotterdam, The Netherlands. geleijnse@epib.fgg.eur.nl

Erratum in

  • Hypertension 1997 May;29(5):1211.

Abstract

In 1980, a randomized trial was conducted among 476 Dutch newborn infants to study the effect of a low or normal sodium diet on blood pressure during the first 6 months of life. At the end of the trial, systolic blood pressure in the low sodium group (n = 231) was 2.1 mm Hg lower than in the control group (n = 245). To investigate whether contrasting levels of sodium intake in infancy are associated with blood pressure differences in adolescence, we measured blood pressure in 167 children from the original cohort (35%) after 15 years of follow-up. We assessed the differences in systolic and diastolic blood pressure levels between the diet groups using a multivariate regression model with adjustment for potential confounders. The adjusted systolic blood pressure at follow-up was 3.6 mm Hg lower (95% confidence interval, -6.6 to -0.5) and the diastolic pressure was 2.2 mm Hg lower (95% confidence interval, -4.5 to 0.2) in children who had been assigned to the low sodium group (n = 71) compared with the control group (n = 96). These findings suggest that sodium intake in infancy may be important in relation to blood pressure later in life.

PMID:
9095076
[PubMed - indexed for MEDLINE]
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