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Seniors with Heart Failure helped by daily 4,000 IU of vitamin D (increase 16 ng) – RCT Aug 2014

Effects of six months of vitamin D supplementation in patients with heart failure: A randomized double-blind controlled trialOriginal Research Article

Nutrition, Metabolism and Cardiovascular Diseases, Volume 24, Issue 8, August 2014, Pages 861-868
A. Dalbeni, G. Scaturro, M. Degan, P. Minuz, P. Delva
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Background and aim: Low plasma vitamin D levels have been associated with heart failure (HF). This research attempts to explain the role of vitamin D supplementation on myocardial function in elderly patients with HF.

Methods and results: Twenty-three chronic HF patients were randomized in a small parallel group, double-blind, placebo-controlled trial. All patients, with a mean age of 74 years and vitamin D levels <30 ng/mL, received 800,000 IU (4000 IU/daily) of cholecalciferol or placebo for 6 months. The outcomes measured at baseline and after 6 months were ejection fraction (EF) and other echocardiography parameters, carboxyterminal propeptide of procollagen type I (PIP), natriuretic peptides, lipid profile, renin, parathyroid hormone, blood pressure, and body mass index (BMI).

In 13 patients under active treatment for 6 months, mean plasma 25-hydroxy vitamin D concentrations (15.51 vs. −1.40 ng/mL, p < 0.001) and plasma calcium (from 9.3 to 9.6 mmol/L, p < 0.05) increased significantly. However, other biomarkers of bone metabolism did not differ between the treatment and placebo groups.
EF increased significantly in the intervention group (6.71 vs. −4.3%; p < 0.001),
and the serum concentration of PIP increased only in the placebo group after 6 months (1140.98 vs. −145 mcg/L; p < 0.05).
Systolic blood pressure was lower after 6 months of cholecalciferol treatment (from 129.6 to 122.7 mm Hg, p < 0.05).

No significant variations were observed for other parameters.

Conclusions: Six months of vitamin D supplementation significantly improves EF in elderly patients with HF and vitamin D deficiency.

See also VitaminDWiki

Pages listed in BOTH the categories Intervention and Cardiovascular

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