14. Association Between Serum 25-Hydroxyvitamin D Levels and the Severity of Dengue Hemorrhagic Fever in Children

Phan Viet Hung, Nguyen Thi Dieu Thuy, Nguyen Minh Phuong

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Abstract

Vitamin D is believed to modulate immune responses and may influence the progression of Dengue fever. This cross-sectional study evaluated the association between serum 25-hydroxyvitamin D [25(OH)D] levels and disease severity in 92 pediatric patients diagnosed with Dengue at Can Tho Children’s Hospital. Median 25(OH)D levels tended to decrease with increasing disease severity (Dengue without warning signs: 54.3 ng/mL; with warning signs: 61.9 ng/mL; severe Dengue: 41.8 ng/mL; p = 0.04). Laboratory findings showed that albumin, platelet count, and fibrinogen levels decreased, while hematocrit, liver enzymes, and aPTT increased with disease severity. However, 25(OH)D did not remain statistically significant in the multinomial logistic regression model, suggesting that it may not serve as an independent prognostic factor. These results imply a potential association between vitamin D status and severe forms of Dengue, although further research is needed to elucidate this relationship and explore its possible clinical applications.

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References

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