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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2018, Vol. 12 ›› Issue (03): 368-373. doi: 10.3877/cma.j.issn.1674-134X.2018.03.012

Special Issue:

• Meta Analysis • Previous Articles     Next Articles

Effect of calcium supplementation on bone mineral density in healthy juveniles: systemic review of randomized controlled trials

Jinfeng Wu1,()   

  1. 1. Department of Orthopaedic Surgery, Guangzhou City Red-cross Hospital, Guangzhou 510220, China
  • Received:2017-04-17 Online:2018-06-01 Published:2018-06-01
  • Contact: Jinfeng Wu
  • About author:
    Corresponding author: Wu Jinfeng, Email:

Abstract:

Objective

To determine whether calcium supplementation could improve the bone mineral density(BMD) in healthy children.

Methods

Search strategies (calcium supplementation, bone density, randomized controlled trials) was applied to the following databases: Pubmed, Medline, Embase, CINAHL, AMED, MANTIS, ISI Web of Science, CENTRAL. The researches that had randomized placebo controlled trials of calcium supplementation in healthy children lasted at least three months and had BMD outcomes measured after at least six months follow-up from 1966-2017 were seletced. Data were extracted from the text, two reviewers independently exracted data and analysis.

Results

Twenty-one eligible studies of 3072 healthy children were included. There was no effect on BMD on femoral neck[SMD=0.09, 95%CI(-0.06, 0.21)] or lumbar spine[SMD=0.07, 95%CI(-0.03, 0.22)] when treated with calcium supplementation (P>0.05). Calcium supplementation had persistent effect on upper limb BMD after stopping supplementation [SMD=0.14, 95%CI(0.01, 0.28), P<0.05], while total body BMD content changed little[SMD=0.00, 95%CI(-0.40, 0.40), P>0.05]. Female children were sensitive to the calcium compared with male children. There was no correlation of bone mineral content between pubertal stage, baseline calcium intake or ethnicity.

Conclusion

Healthy children who treated on calcium supplementation is impossible to reduce the risk of bone fracture.

Key words: Calcium, Minors, Bone density

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