Does vitamin D deficiency affect placental inflammation or infections among very low birth weight infants?

Subhash Puthuraya, Sreenivas Karnati, S. Nadya J. Kazzi, Faisal Qureshi, Suzanne M. Jacques, Ronald Thomas

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Objective: Examine the association between placental inflammation and neonatal infections, and 25OH vitamin D (25OH D) levels at birth among very low birth weight infants (VLBWI). Study design: Serum 25OH D levels were measured in 89 VLBWI (≤1250 g) and 47 mothers on day one, and in 78 infants on day 21. Placentas were examined for maternal and fetal inflammation. Infants were divided into deficient (≤10 ng/ml) and adequate (>10 ng/ml) groups based on 25OH D levels on day 1. Results: Mean ± SD maternal levels of 25OH D (21 ± 9 ng/ml) correlated with infants’ levels (15 ± 8 ng/ml), (p <.001). 25OH D levels were lower in deficient (32/89) than in adequate group (8 ± 2 versus 20 ± 7 ng/ml, p =.011). Infants’ 25OH D levels rose significantly by day 21 (p <.001). Univariate analyses showed no differences between infant groups in maternal or fetal inflammation, or neonatal infections (p >.05). Logistic regression analyses revealed no association between deficient 25OH D levels and the odds of maternal or fetal inflammation or other infections. Levels of 25OH D did not correlate with severity of placental inflammation. Conclusions: Deficient levels of 25OH D at birth are not associated with the occurrence of placental inflammation or neonatal infections among VLBWI.

Original languageEnglish
Pages (from-to)1906-1912
Number of pages7
JournalJournal of Maternal-Fetal and Neonatal Medicine
Volume31
Issue number14
DOIs
StatePublished - Jul 18 2018

Keywords

  • Vitamin D levels
  • chorioamnionitis
  • fetal inflammatory response
  • maternal inflammatory response
  • neonatal infection
  • placenta

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