The influence of zinc sulfate on neonatal jaundice: a systematic review and meta-analysis.

Author(s) Yang, L.; Wu, D.; Wang, B.; Bu, X.; Tang, J.
Journal J Matern Fetal Neonatal Med
Date Published 2018 May

INTRODUCTION: Zinc sulfate may be a promising approach to treat neonatal jaundice. However, the results remain controversial. We conducted a systematic review and meta-analysis to evaluate the efficacy and safety of zinc sulfate on hyperbilirubinemia among neonates.

METHODS: PubMed, EMbase, Web of science, EBSCO, Cochrane library databases, Ovid, BMJ database, and CINAHL were systematically searched. Randomized controlled trials (RCTs) assessing the effect of zinc sulfate versus placebo on the prevention of jaundice in neonates were included. Two investigators independently searched articles, extracted data, and assessed the quality of included studies. The primary outcomes were total serum bilirubin (TSB) on three days and seven days, the incidence of hyperbilirubinemia. Meta-analysis was performed using random- or fixed-effect models.

RESULTS: Five RCTs involving 645 patients were included in the meta-analysis. Overall, compared with placebo, zinc sulfate supplementation failed to significantly reduce TSB on three days (mean difference (MD) = 0.09 mg/dL; 95% confidence interval (CI) = -0.49 to 0.67; p = .77), TSB on seven days (MD = -0.37 mg/dL; 95% CI = -98 to 0.25; p = .25) as well as the incidence of hyperbilirubinemia (OR = 1.14; 95% CI = 0.74 to 1.76; p = .56). Zinc sulfate showed no influence on phototherapy requirement (OR = 0.90; 95% CI = 0.41 to 1.98; p = .79), but resulted in significantly decreased duration of phototherapy (MD = -16.69 h; 95% CI = -25.09 to -8.3 h; p < .0001).

CONCLUSIONS: Zinc sulfate could not reduce the TSB on three days and seven days, the incidence of hyperbilirubinemia and phototherapy requirement, but lead to significantly decreased duration of phototherapy.

DOI 10.1080/14767058.2017.1315659
ISSN 1476-4954
Citation J Matern Fetal Neonatal Med. 2018;31(10):13111317.

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