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Falls not prevented by vitamin D given every 3 months or less often – meta-analysis Jan 2015

A Meta-Analysis of High Dose, Intermittent Vitamin D Supplementation among Older Adults

Ya Ting Zheng,
PLOS One January 20, 2015DOI: 10.1371/journal.pone.0115850
Affiliation: College of Humanities and Management, Southern Medical University, Guangzhou, Guangdong Province, China
⨯ Qi Qi Cui, Affiliation: College of Humanities and Management, Southern Medical University, Guangzhou, Guangdong Province, China
⨯ Yi Min Hong, Affiliation: College of Humanities and Management, Southern Medical University, Guangzhou, Guangdong Province, China
⨯ Wei Guang Yao , * E-mail: yaoweiguang2014 at yeah.net
Affiliation: College of Humanities and Management, Southern Medical University, Guangzhou, Guangdong Province, China

Background: The effects of intermittent, high dose vitamin D treatment in older adults have not been documented. We conducted a meta-analysis to provide a quantitative assessment of the efficiency of intermittent, high dose vitamin D treatment on falls, fractures, and mortality among older adults.

Methods: Electronic databases were searched for randomized controlled trials (RCTs) on high dose, intermittent vitamin D supplementation among older adults. Two researchers independently screened the literature according to specified inclusive and exclusive criteria to extract the data. Meta-analysis was performed by using Review Manager 5.1.0 software.

Results: Nine trials were included in this meta-analysis. High dose, intermittent vitamin D therapy did not decrease all-cause mortality among older adults. The risk ratio (95% CI) was 1.04 (0.91–1.17). No benefit was seen in fracture or fall prevention. The risk ratio for hip fractures (95% CI) was 1.17 (0.97–1.41) while for non-vertebral fractures (95% CI) it was 1.06 (0.91–1.22), and the risk ratio for falls (95% CI) was 1.02 (0.96–1.08). Results remained robust after sensitivity analysis.

Conclusion: Supplementation of intermittent, high dose vitamin D may not be effective in preventing overall mortality, fractures, or falls among older adults. The route of administration of vitamin D supplements may well change the physiological effects.


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5028 Falls not prevented by vitamin D given every 3 months.PDF PDF 2015 admin 07 Feb, 2015 18:20 2.35 Mb 428
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