Effect of vitamin D3 supplementation on blood pressure in adults: An updated meta-analysis

被引:57
作者
Golzarand, M. [1 ]
Shab-Bidar, S. [2 ]
Koochakpoor, G. [3 ]
Speakman, R. J. [4 ,5 ]
Djafarian, K. [1 ]
机构
[1] Univ Tehran Med Sci, Sch Nutr Sci & Dietet, Dept Clin Nutr, Tehran, Iran
[2] Univ Tehran Med Sci, Sch Nutr Sci & Dietet, Dept Community Nutr, Tehran, Iran
[3] Ahvaz Jundishapur Univ Med Sci, Sch Paramed, Tehran, Iran
[4] Univ Aberdeen, Inst Biol & Environm Sci, Aberdeen, Scotland
[5] Chinese Acad Sci, Inst Genet & Dev Biol, Beijing, Peoples R China
关键词
Cholecalciferol; Blood pressure; Hypertension; Vitamin D3 supplementation; Meta-analysis; CARDIOVASCULAR RISK-FACTORS; 25-HYDROXYVITAMIN D LEVELS; 3RD NATIONAL-HEALTH; DOUBLE-BLIND; CALCIUM SUPPLEMENTATION; ENDOTHELIAL FUNCTION; HYPOVITAMINOSIS-D; CHOLECALCIFEROL SUPPLEMENTATION; INSULIN SENSITIVITY; CONTROLLED-TRIAL;
D O I
10.1016/j.numecd.2016.04.011
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background and aims: Previous randomized clinical trials (RCTs) of the effects of vitamin D3 supplementation (VD3S) on blood pressure have generated inconsistent results. We evaluated the effect of VD3S on systolic blood pressure (SBP) and diastolic blood pressure (DBP) in a meta-analysis. Data synthesis: Literature searches of PubMed, Scopus, Ovid, and Google scholar for publications in English were conducted up to April 2015. RCTs that assessed the effect of VD3S on SBP and DBP were selected. Conclusions: A total of 30 RCTs with 41 arms including 4744 participants were included. The mean duration of the studies was 5.6 +/- 4.0 months, and doses of VD3S varied between 200 and 12,000 IU/day. VD3S had no effect on SBP (-0.68 mmHg, 95%CI: -2.19 to 0.84), and DBP (-0.57 mmHg, 95%CI: -1.36 to 0.22). Subgroup analysis revealed that daily vitamin D3 therapy at a dose of >800 IU/day for <6 months in subjects >= 50 years old reduced both SBP and DBP (p < 0.001). In addition, VD3S showed hypotensive effects in healthy subjects and hypertensive patients, but a hypertensive effect in overweight and obese subjects. However, after excluding overweight and obese subjects, VD3S significantly reduced SBP and DBP. VD3S in combination with calcium supplementation significantly elevated SBP (3.64 mmHg, 95% CI: 3.15-4.13) and DBP (1.71 mmHg, 95% CI: 1.25-2.18). No evidence of publication bias was found. The effects of VD3S on blood pressure depend on dose of supplementation, treatment regimens, trial duration, and population subgroup. Supplementation may be beneficial at daily doses >800 IU/day for < 6 months in subjects >= 50 years old. (C) 2016 The Italian Society of Diabetology, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition, and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:663 / 673
页数:11
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