[Comparative analysis of brain myelination rates from magnetic resonance imaging data in premature neonatal infants with ischemic encephalopathy].

Hypoxic brain damage in a premature neonatal infant can alter the maturation rates of brain structures. This investigation used a myelination parameter to evaluate the maturity of the cerebral structures. The myelination rates for cerebral structures were analyzed in 33 premature neonates (gestational age 27-36 weeks) with posthypoxic central nervous system lesion by the results of magnetic resonanse imaging using the quantification of brain maturity in the late neonatal period. The cerebral structures that were most susceptible to dysmyelination in posthypoxic brain lesion were identified and the association of the patterns of the latter and impaired myelination rates of the cerebral structures was determined in the premature infants.