論文ID: JJID.2019.541
Low levels of blood vitamin D have been reported in children who have frequent respiratory tract infections. We measured serum concentrations of 25-hydroxy (OH) vitamin D in Japanese infants less than 3-months old infected with respiratory syncytial virus (RSV). Serum levels of 25-OH vitamin D of the 10 infants, excluding those with underlying diseases, were between less than 4 to 29.8 ng/mL. In 8 out of 10 subjects (80.0%), serum 25-OH vitamin D levels were less than 20 ng/mL. There was no statistically significant association between levels of 25-OH vitamin D and age, duration of admission, respiratory severity score, white blood cell count, blood gas levels, and NT-proBNP levels. Levels of serum 25-OH vitamin D in children who required hospitalization owing to RSV infection were low, indicating deficiency. These results suggested that vitamin D deficiency affects the susceptibility to RSV infection, but not the severity of the RSV respiratory infection.
