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Chinese Journal of Hygiene Rescue(Electronic Edition) ›› 2019, Vol. 05 ›› Issue (01): 18-25. doi: 10.3877/cma.j.issn.2095-9133.2019.01.005

Special Issue:

• Original Article • Previous Articles     Next Articles

Association between febrile seizures and iron deficiency anemia in infants and preschool children: a Meta-analysis

Yulu Gan1, Jin Yu1, Jingyi Fan1,()   

  1. 1. Department of Pediatrics, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
  • Received:2018-10-24 Online:2019-02-18 Published:2019-02-18
  • Contact: Jingyi Fan
  • About author:
    Corresponding author: Fan Jingyi, Email:

Abstract:

Objective

To determine the relationship between febrile seizures and iron deficiency anemia in infants and preschool children by using a meta-analysis of published articles.

Methods

The Chinese and English electronic databases were used in this study, such as PubMed, Web of science, MEDLINE, Wanfang Data Knowledge Service Platform, China Knowledge Network Database (CNKI), VIP Database, and Cochrane Library Database, collected from January 1990 to September 2017. The published articles about the association between febrile seizures and iron deficiency anemia in infants and preschool children between 3 months and 6 years old were reviewed. The search terms in Chinese were "iron deficiency" or "serum iron" or "serum ferritin" or "transferrin" or "iron deficiency anemia" and "hot convulsion" ; the English search terms were anemia, iron-deficiency and seizures, febrile or pyrexial seizure or pyrexial convulsion. The literature was screened and extracted by two investigators according to the inclusion and exclusion criteria. The Newcastle-Ottawa Scale (NOS) was used for literature quality assessment. Stata SE 12.0 software was used for meta-analysis of whether iron deficiency anemia was a risk factor for children with febrile seizures, calculation of odds ratio (OR), and subgroup analysis based on different diagnostic criteria for iron deficiency anemia.

Results

A total of 89 relevant literatures were detected in this study. After screening, 26 articles that met the inclusion and exclusion criteria were finally included for meta-analysis. The results of the analysis showed that febrile seizures were associated with iron deficiency anemia [OR=2.24, 95% CI (1.758, 2.854), P<0.05].

Conclusion

Iron deficiency anemia is one of the risk factors for febrile seizures in infants and preschool children.

Key words: Iron deficiency anemia, Febrile convulsions, Infant, Preschool children

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