Why the study?
Does calcium supplementation reduce blood pressure in patients with essential hypertension?
Population
60 untreated or treated hypertensive patients with office systolic/diastolic blood pressure >= 140/90 mmHg.
Comparison
Calcium supplementation 25 mmol/day as calcium… vs Control period of 8 weeks in a crossover design.
Design
RCT, Randomized crossover study
Follow-up
8 weeks per period
Authors
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Very small home BP reduction with calcium does not support routine antihypertensive use; challenges prior suggestions of meaningful efficacy.
Does calcium supplementation reduce blood pressure in patients with essential hypertension?
Calcium supplementation provides a very small reduction in blood pressure that is insufficient to support its general use as an antihypertensive treatment.
Kawano et al. (1998) studied this question.
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