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[Correlation between serum vitamin D level and severity of community acquired pneumonia in young children]

Jing Ren1, Bin Sun, Po Miao

  • 1Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, China. xing_feng66@hotmail.com.

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|July 20, 2013
PubMed

Insights

Children with severe community-acquired pneumonia (CAP) have lower serum vitamin D levels. Vitamin D deficiency and premature birth are identified as risk factors for severe CAP in young children.

Area of Science:

  • Pediatric Pulmonology
  • Nutritional Immunology
  • Clinical Microbiology

Background:

  • Community-acquired pneumonia (CAP) is a significant cause of childhood morbidity.
  • Vitamin D plays a crucial role in immune function.
  • Emerging evidence suggests a link between vitamin D status and respiratory infections.

Purpose of the Study:

  • To investigate the association between serum vitamin D levels and the severity of CAP in pediatric patients.
  • To identify potential risk factors contributing to severe CAP in young children.

Main Methods:

  • A case-control study involving 103 children diagnosed with CAP (15 severe, 88 mild) and 90 healthy controls.
  • Serum 25-hydroxyvitamin D3 [25-(OH)D3] concentrations were quantified using enzyme-linked immunoassay.
  • Multivariate analysis was employed to identify independent risk factors for severe CAP.

Main Results:

  • Mean serum vitamin D levels were significantly lower in children with severe CAP compared to those with mild CAP and healthy controls (P < 0.01).
  • No significant difference in vitamin D levels was observed between the mild CAP group and the control group (P = 0.674).
  • Premature birth and serum vitamin D levels below 50 nmol/L emerged as significant risk factors for severe CAP.

Conclusions:

  • Vitamin D deficiency may be associated with increased severity of community-acquired pneumonia in young children.
  • Maintaining adequate vitamin D levels could be important for preventing severe CAP in pediatric populations.
Abstract

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