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Association between perinatal hypoxic-ischemia and periventricular leukomalacia in preterm infants: A systematic review and meta-analysis

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  • Jichong Huang
  • Li Zhang
  • Bingyao Kang
  • Tingting Zhu
  • Yafei Li
  • Fengyan Zhao
  • Yi Qu
  • Dezhi Mu

Abstract

Background: Although investigators have implicated hypoxic-ischemia (HI) as a potential cause of periventricular leukomalacia (PVL), the role of clinical risk factors or markers for HI in the development of PVL remains controversial. The aim of this study was to identify perinatal HI-related factors associated with PVL. Method: The PubMed, EMBASE, and Cochrane Library databases were searched. The last search was performed on January 2017. Summary effect estimates (pooled odds ratios [ORs]) were calculated for each risk factor using fixed or random effects models with tests for heterogeneity and publication bias. Results: Fifteen studies with a total of 12,851 participants were included in this meta-analysis, and 14 potential risk factors were analyzed. The pooled results showed that mothers with oligohydramnios (OR, 1.55; 95% confidence interval [CI], 1.05 to 2.30), preterm infants with acidemia (OR, 1.87; 95% CI, 1.18 to 2.97), 1-minute Apgar score

Suggested Citation

  • Jichong Huang & Li Zhang & Bingyao Kang & Tingting Zhu & Yafei Li & Fengyan Zhao & Yi Qu & Dezhi Mu, 2017. "Association between perinatal hypoxic-ischemia and periventricular leukomalacia in preterm infants: A systematic review and meta-analysis," PLOS ONE, Public Library of Science, vol. 12(9), pages 1-15, September.
    • Handle: RePEc:plo:pone00:0184993
    DOI: 10.1371/journal.pone.0184993
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