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Published on: April 28, 2019
Zinc deficiency in children with Dengue viral infection
Lakkana Rerksuppaphol1, Sanguansak Rerksuppaphol2
1Department of Preventive Medicine.
Insights
Nearly half of Thai children hospitalized with dengue viral infection had zinc deficiency. Boys were at higher risk, and deficiency may prolong fever and hospital stays, warranting further research.
Area of Science:
- Pediatrics
- Infectious Diseases
- Nutritional Science
Background:
- Zinc deficiency is a significant global health issue, particularly in low-income nations.
- Impaired immunity due to zinc deficiency increases susceptibility to infections in children.
- Dengue viral infection is a common childhood illness with potential severe outcomes.
Purpose of the Study:
- To investigate the prevalence of zinc deficiency in Thai children diagnosed with dengue viral infection.
- To explore the association between zinc deficiency and clinical outcomes in pediatric dengue patients.
Main Methods:
- A cross-sectional study was conducted on 32 hospitalized Thai children with dengue viral infection.
- Zinc levels were assessed using standard age, sex, time of blood collection, and fasting status cut-offs.
- Statistical analysis included calculating odds ratios to assess risk factors.
Main Results:
- The prevalence of zinc deficiency was 46.7% among the studied children.
- Boys exhibited a significantly higher risk of zinc deficiency compared to girls (OR=7.3).
- Children with zinc deficiency showed trends towards longer fever duration and hospital stays, though not statistically significant.
Conclusions:
- Zinc deficiency is common in Thai children with dengue viral infection.
- Boys appear to be more vulnerable to zinc deficiency in this context.
- Further large-scale studies are recommended to confirm the link between zinc status and dengue clinical outcomes.
Abstract:
Zinc deficiency is highly prevalent in low-income countries, with dramatic consequences to child health, in particular by impairing the immune system resulting in infection. This cross-sectional study aimed to determine the prevalence of zinc deficiency in Thai children who were admitted to hospital with a diagnosis of the dengue viral infection. Standard cut-off values according to age, sex, time of blood collection, and fasting status were used to define zinc levels. 32 patients were included in the analysis: The mean age was 7.3 years, of whom 56.3% were males. 11 (34.4%) patients were diagnosed with dengue hemorrhagic fever and the remaining had dengue fever. The prevalence of zinc deficiency was 46.7%, with boys having a higher risk of zinc deficiency than girls (OR=7.3: 95%CI: 1.5-36.6). Fever duration and length of hospital stay were longer in children with zinc deficiency compared to those who had normal levels, albeit without a significant difference. The results of this study provide the rationale for larger studies that will better elucidate the relationship between zinc levels and the clinical outcomes of dengue disease.
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