Document Detail

Dietary electrolyte intake and blood pressure in older subjects: the Rotterdam Study.
MedLine Citation:
PMID:  8793696     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To examine the relation between dietary electrolyte intake and blood pressure in older people. METHODS: The study included 3239 participants of the Rotterdam Study (41% of the total cohort) who were aged over 55 years and had not been prescribed antihypertensive drugs. Their dietary intake was assessed by a semiquantitative food frequency questionnaire. The association of energy-adjusted intakes of potassium, magnesium and calcium with blood pressure was studied in a linear regression model with adjustment for age, sex, body mass index and alcohol intake. RESULTS: An increase in potassium intake of 1 g/day was associated with a 0.9 mmHg lower systolic and a 0.8 mmHg lower diastolic blood pressure. An increase in magnesium intake of 100 mg was associated with a 1.2 mmHg lower systolic and a 1.1 mmHg lower diastolic blood pressure. Calcium intake was not independently related to blood pressure, except for a subgroup of 1360 hypertensive subjects in which a significant inverse association with diastolic blood pressure was observed. CONCLUSIONS: Our findings support the view that an increase in the intake of foods rich in potassium and magnesium could lower blood pressure at older age.
J M Geleijnse; J C Witteman; J H den Breeijen; A Hofman; P T de Jong; H A Pols; D E Grobbee
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of hypertension     Volume:  14     ISSN:  0263-6352     ISO Abbreviation:  J. Hypertens.     Publication Date:  1996 Jun 
Date Detail:
Created Date:  1996-12-03     Completed Date:  1996-12-03     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8306882     Medline TA:  J Hypertens     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  737-41     Citation Subset:  IM    
Department of Epidemiology and Biostatistics, Erasmus University Medical School, Rotterdam, The Netherlands.
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MeSH Terms
Aging / physiology*
Blood Pressure / drug effects*
Calcium, Dietary / pharmacology*
Hypertension / physiopathology
Magnesium / administration & dosage*,  pharmacology
Middle Aged
Potassium, Dietary / pharmacology*
Sex Characteristics
Reg. No./Substance:
0/Calcium, Dietary; 0/Potassium, Dietary; 7439-95-4/Magnesium
Comment In:
J Hypertens. 1996 Dec;14(12):1491   [PMID:  8986935 ]

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