Article ; Online: Vitamin D Supplementation and Its Impact on Mortality and Cardiovascular Outcomes: Systematic Review and Meta-Analysis of 80 Randomized Clinical Trials.
2023 Volume 15, Issue 8
Abstract: Background: The impact of vitamin D supplementation on cardiovascular outcomes and mortality risk reduction remains unclear due to conflicting study findings.: Methods: We conducted a systematic review and meta-analysis of randomized controlled ... ...
Abstract | Background: The impact of vitamin D supplementation on cardiovascular outcomes and mortality risk reduction remains unclear due to conflicting study findings. Methods: We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs), published between 1983 and 2022, that reported the effect of vitamin D supplementation in adults versus placebo or no treatment on all-cause mortality (ACM), cardiovascular mortality (CVM), non-cardiovascular mortality (non-CVM), and cardiovascular morbidities. Only studies with a follow-up period longer than one year were included. The primary outcomes were ACM and CVM. Secondary outcomes were non-CVM, myocardial infarction, stroke, heart failure, and major or extended adverse cardiovascular events. Subgroup analyses were performed according to low-, fair- and good-quality RCTs. Results: Eighty RCTs were assessed, including 82,210 participants receiving vitamin D supplementation and 80,921 receiving placebo or no treatment. The participants' mean (SD) age was 66.1 (11.2) years, and 68.6% were female. Vitamin D supplementation was associated with a lower risk of ACM (OR: 0.95 [95%CI 0.91-0.99] Conclusions: The emerging results of our meta-analysis present evidence that vitamin D supplementation appears to decrease the risk of ACM (especially convincing in the fair- and good-quality RCTs), while not showing a decrease in the specific cardiovascular morbidity and mortality risk. Thus, we conclude that further research is warranted in this area, with well-planned and executed studies as the basis for more robust recommendations. |
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MeSH term(s) | Adult ; Female ; Humans ; Aged ; Male ; Cause of Death ; Randomized Controlled Trials as Topic ; Myocardial Infarction/drug therapy ; Vitamin D/therapeutic use ; Dietary Supplements |
Chemical Substances | Vitamin D (1406-16-2) |
Language | English |
Publishing date | 2023-04-07 |
Publishing country | Switzerland |
Document type | Meta-Analysis ; Systematic Review ; Journal Article |
ZDB-ID | 2518386-2 |
ISSN | 2072-6643 ; 2072-6643 |
ISSN (online) | 2072-6643 |
ISSN | 2072-6643 |
DOI | 10.3390/nu15081810 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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