Comparison of the level of vitamin d in preterm infected and uninfected infants
Infekciâ i Immunitet(2023)
摘要
Introduction. Despite the substantial progress in intensive cares, sepsis is still an important cause of neonatal mortality. Given the role of vitamin D in infection control, this study was conducted to compare vitamin D level in infected and uninfected preterm infants. Materials and methods. This cross-sectional study was carried out on 87 preterm infants (45 infected infants and 42 uninfected infants) hospitalized in Mashhad Ghaem Hospital, Iran, during 2015-2017. The subjects were selected by using convenience sampling. The infected infants (n = 45) included babies with clinical and laboratory findings compatible with infection and/or positive blood or cerebrospinal fluid cultures. The serum levels vitamin D were measured in all infants. A researcher-made questionnaire containing demographic, clinical and laboratory features of infants was used. In addition, independent t-test and chi-square test were applied. SPSS was used to perform the statistical data analysis. Results. 83% of infants had vitamin D deficiency 34.5%, 26.4%, and 21.8% of whom exhibited severe (less than 10 ng/ml), moderate (10.1-20 ng/ml), mild deficiency (20.1-30 ng/ml), respectively. The mean vitamin D level of infants was 23.31 +/- 9.40 ng/ml in the control group and 11.02 +/- 8.64 ng/ml in the case group (p = 0.000). In the case group, the mean vitamin D was 8.14 +/- 5.53 ng/ml in early sepsis and 12.62 +/- 9.75 ng/ml in late-onset sepsis (p = 0.121). 95% of infected infants and 71% of uninfected infants had vitamin D less than 30 ng/ml (p = 0.003). Conclusion. Vitamin D deficiency is very common in preterm infants. Serum vitamin D levels in infants with sepsis were lower than those in uninfected infants. Therefore, the correction of vitamin D deficiency may contribute to better control of neonatal infection.
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关键词
preterm infants,vitamin D,sepsis,meningitis,infection,neonates.
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