Why the study?
Does low calcium intake compared to high calcium intake reduce blood pressure in patients with mild essential hypertension?
Population
15 patients with mild essential hypertension
Comparison
Low calcium intake for 4 weeks vs High calcium intake for 4 weeks
Design
RCT, randomly entered into a crossover study, double-blind
Follow-up
4 weeks per intervention period
Authors
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Calcium modification not warranted for mild hypertension BP control; confirms null short-term RCT effect.
Does low calcium intake compared to high calcium intake reduce blood pressure in patients with mild essential hypertension?
Moderate modifications of oral calcium intake do not significantly alter blood pressure in patients with mild essential hypertension over a 4-week period.
Siani et al. (1988) studied this question.
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