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Pediatr Neurol. 2007 Jan;36(1):17-24.

Effect of allopurinol supplementation on nitric oxide levels in asphyxiated newborns.

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Erciyes University, School of Medicine, Department of Pediatrics, Division of Neonatology, Department of Biochemistry, Kayseri, Turkey.


This study aimed to investigate the effect of allopurinol in the management of cerebral hypoxia-ischemia by monitoring nitric oxide levels of serum and cerebrospinal fluid. Sixty asphyxiated infants were divided randomly into two groups. Group I infants (n = 30) received allopurinol (40 mg/kg/day, 3 days) within 2 hours after birth. Group II infants (n = 30) received a placebo. Twenty healthy neonates served as control subjects. Cerebrospinal fluid and serum nitric oxide levels were measured within 0-24 hours and 72-96 hours after birth. Both serum and cerebrospinal fluid concentrations of nitric oxide were higher in severely asphyxiated infants (40.86 +/- 8.97, 17.3 +/- 3.63 micromol/L, respectively) but lower in mildly asphyxiated infants (25.85 +/- 3.57, 5.70 +/- 2.56 micromol/L, respectively) than in moderately asphyxiated infants (35.86 +/- 5.38, 11.06 +/- 3.37 micromol/L, respectively) within the first 0-24 hours after birth. Serum nitric oxide levels in control subjects were lower than those of moderately and severely asphyxiated infants. Serum nitric oxide levels of Group I infants within 72-96 hours after birth decreased significantly from their corresponding levels within 0-24 hours after birth. The asphyxiated newborns treated with allopurinol had better neurologic and neurodevelopmental outcome at 12 or more months of age.

[Indexed for MEDLINE]

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