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Neonates with unilateral hemispheric lesions detected by imaging in the newborn period are at risk for developing hemiplegia. Five full-term infants with predominantly unilateral lesions identified by cranial ultrasound in the neonatal period and confirmed with MRI were examined clinically at regular intervals in order to establish the development, incidence and evolution of later hemiplegia and the evolution of hemiplegic signs. In the neonatal period the infants had either a normal examination or subtle transient abnormalities. Abnormalities were not seen until 6 months of age in infants who developed hemiplegia. The number of hemiplegic signs in each child increased with time, the earlier the signs appeared the more severe the hemiplegia. In some infants deterioration with loss of preexisting skills was observed. At 24 months two of the infants were normal, one had a mild and two a moderate hemiplegia.
Bouza et al. (Mon,) studied this question.