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Serum vitamin A levels in respiratory syncytial virus infection
K M Neuzil1, W C Gruber, F Chytil
1Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN 37232.
Insights
Respiratory syncytial virus (RSV) infection in children is linked to low vitamin A levels, which correlate with increased illness severity. Vitamin A supplementation may aid in managing RSV infections.
Area of Science:
- Pediatrics
- Infectious Diseases
- Nutritional Science
Background:
- Respiratory syncytial virus (RSV) is a major cause of global respiratory illness epidemics.
- Vitamin A deficiency is a potential concern in children with severe infections.
Purpose of the Study:
- To investigate the association between serum vitamin A concentrations and the severity of respiratory syncytial virus illness in children.
- To explore the potential role of vitamin A supplementation in managing RSV infections.
Main Methods:
- Observational study of 23 children diagnosed with respiratory syncytial virus.
- Measurement of serum vitamin A concentrations during acute illness.
- Correlation analysis between vitamin A levels and illness severity.
Main Results:
- 65% of children with RSV exhibited low serum vitamin A levels during acute illness.
- Low vitamin A concentrations were significantly associated with more severe RSV disease.
- A notable percentage of infected children presented with suboptimal vitamin A status.
Conclusions:
- Low serum vitamin A is common in children with severe respiratory syncytial virus infections.
- Vitamin A supplementation warrants consideration as a supportive therapy for RSV management.
- Further research into vitamin A's role in viral respiratory infections is indicated.
Abstract:
Respiratory syncytial virus causes worldwide epidemics of respiratory disease. Of 23 children infected with respiratory syncytial virus, 65% had low serum concentrations of vitamin A during acute illness; these low values were associated with more severe illness. Vitamin A supplementation may have a role in the management of infection with respiratory syncytial virus.