Elevated EBV DNA Load Linked to Increased Mortality Risk in Children

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Researchers at Central South University have identified a correlation between elevated Epstein-Barr virus (EBV) DNA load and increased mortality risk in children. The study, which analyzed data from 35,956 pediatric patients, found a positive association between EBV DNA levels and the incidence rates of various complications, including acute kidney injury, respiratory failure, and liver injury. The findings suggest that simultaneous examinations of EBV DNA, antibodies, and immune status are crucial, particularly for children with EBV DNA levels exceeding 1 x 10^5 copies/mL.

Key Takeaways:

  • The study investigated active EBV infection in children and examined the associations among EBV DNA load, infection types, disease severity, and immune characteristics.
  • The analysis included 35,956 pediatric patients who underwent EBV DNA load testing, with funding from the Hunan Provincial Natural Science Foundation of China, National Natural Science Foundation of China, Hunan Provincial Science And Technology Department Project, and Hunan Provincial Key Laboratory of Emergency Medicine For Children.
  • Spearman's rank correlation analysis revealed a positive association between EBV DNA levels and the mortality rate, as well as the incidence rates of acute kidney injury, respiratory failure, cardiovascular complications, coagulation abnormalities, and liver injury.
  • Patients with EBV DNA levels exceeding 1 x 10^5 copies/mL had a significantly increased mortality risk, with an adjusted odds ratio of 10.53.
  • The research concluded that an elevated EBV DNA load in children is associated with increased mortality risk, emphasizing the need for caution in those with activation-IgG+ and immune dysregulation.
  • The study's findings highlight the importance of simultaneous examinations of EBV DNA, antibodies, and immune status, particularly for children with elevated EBV DNA levels.

Statistics:

  • The study analyzed data from 35,956 pediatric patients who underwent EBV DNA load testing.
  • Spearman's rank correlation analysis revealed a positive association between EBV DNA levels and the mortality rate, with a correlation coefficient of 0.56 (P < 0.01).
  • The incidence rates of acute kidney injury, respiratory failure, cardiovascular complications, coagulation abnormalities, and liver injury were significantly higher in patients with elevated EBV DNA levels.
  • The adjusted odds ratio for mortality risk was 10.53 (95% confidence interval: 2.38-46.59, P < 0.05) for patients with EBV DNA levels exceeding 1 x 10^5 copies/mL.

Sources:

  • Active EBV infection in children: associations between DNA load, infection status, immune status, and disease severity. Virology Journal, 2025,22(1):1-14.
  • NewsRx. Reports from Central South University Add New Data to Research in Epstein-Barr Virus (Active EBV infection in children: associations between DNA load, infection status, immune status, and disease severity). Health & Medicine Week. May 16, 2025; p 4829.