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Antioxidant defense and oxidative stress in children with acute hepatitis A

Lidija Popovic-Dragonjic1, Maja Jovanovic, Miodrag Vrbic

  • 1Infectious Diseases Clinic, University Clinical Centre, Nis, Serbia. lidija_popovic2003@yahoo.com

Annals of Saudi Medicine
|May 31, 2011
PubMed

Insights

Pediatric acute hepatitis A patients exhibit significant oxidative stress, with lower antioxidant levels and increased lipid peroxidation. Antioxidant vitamin supplements may help restore balance in these children.

Area of Science:

  • Pediatric Hepatology
  • Oxidative Stress Research
  • Nutritional Biochemistry

Background:

  • Limited data exists on oxidative stress in pediatric acute hepatitis A.
  • This study addresses the scarcity of information regarding oxidant/antioxidant status in children with this condition.

Purpose of the Study:

  • To evaluate the oxidant and antioxidant status in pediatric patients diagnosed with acute hepatitis A.
  • To compare the levels of specific antioxidants and oxidative stress biomarkers between patients and healthy controls.

Main Methods:

  • A prospective, case-control study was conducted over 2.5 years.
  • Evaluated reduced glutathione, beta-carotene, retinol, ascorbic acid, alpha-tocopherol, and malondialdehyde in 50 pediatric patients and 50 controls.
  • Patients and controls were aged 5-16 years.

Main Results:

  • Pediatric patients with acute hepatitis A showed significantly lower plasma levels of reduced glutathione, beta-carotene, retinol, alpha-tocopherol, and ascorbic acid compared to controls.
  • Malondialdehyde levels, a biomarker of oxidative stress, were significantly increased in the patient group.
  • All observed differences were statistically significant (P<.0001).

Conclusions:

  • Pediatric acute hepatitis A is associated with significant oxidative stress, characterized by depleted plasma antioxidants and heightened lipid peroxidation.
  • Antioxidant vitamin supplementation is proposed as a potential therapeutic strategy to rebalance oxidant status in these patients.
  • Further research is recommended to validate the efficacy of antioxidant supplementation.
Abstract

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