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Newborn acute lower respiratory tract infection associated with low maternal vitamin D – March 2015

Association of vitamin D deficiency with acute lower respiratory tract infections in newborns.

J Matern Fetal Neonatal Med. 2015 Mar 19:1-5. [Epub ahead of print]
Dinlen N1, Zenciroglu A, Beken S, Dursun A, Dilli D, Okumus N.

VitaminDWiki Summary

60 newborns – of which 72% had low vitamin D
Maternal Vitamin D:
12 ng acute lower respiratory tract infection in newborn
17 ng otherwise
__See also VitaminDWiki
Search for acute lower respiratory tract infection 198 items as of March 2015
Acute lower respiratory infection 5X more frequent with low vitamin D intake – June 2012 children
((Acute Lower Respiratory Infections in Children - associated with low vitamin D – meta-analysis Dec 2014) children


OBJECTIVE:
To determine the association between serum 25-hydroxy vitamin D [25(OH)D] levels and acute respiratory tract infections (ALRTI) in newborns.

STUDY DESIGN:
The study group consisted of 30 term newborns with ALRTI who were admitted to our neonatal intensive care unit. Controls were 30 healthy newborns with the same age as the study group. Newborns and their mothers were tested for serum 25(OH)D levels, with a low level defined as ≤15 ng/mL.

RESULTS:
The groups were similar in gestational week, birthweight, postnatal age and gender. Forty-three of the 60 infants (including study and control) had low 25(OH)D levels. The median 25(OH)D levels were lower [9.5 ng/mL (IQR = 7.9-12.2)] in the study group than those of the control group [15.5 ng/mL (IQR: 12-18)] (p = 0.0001). The median serum 25(OH)D levels in the mothers of the study group were also lower than those in the mothers of the control group [11.6 ng/mL (IQR = 9.4-15.8) and 17.3 ng/mL (IQR = 13.7-20.6), respectively] (p = 0.0001).

CONCLUSION:
Lower blood 25(OH)D levels might be associated with increased risk of ALRTI in term newborn babies. Appropriate vitamin D supplementation during pregnancy and early childhood may enhance newborns' respiratory health.

PMID: 25786473

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