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  • Title: Cranial ultrasonography and the prediction of cerebral palsy in infants weighing less than or equal to 1200 grams at birth.
    Author: Bozynski ME, Nelson MN, Genaze D, Rosati-Skertich C, Matalon TA, Vasan U, Naughton PM.
    Journal: Dev Med Child Neurol; 1988 Jun; 30(3):342-8. PubMed ID: 3042496.
    Abstract:
    The rôle of serial cranial ultrasonography in the prediction of cerebral palsy was examined in 116 surviving infants with birthweights less than or equal to 1200 g. All underwent serial real-time sonographic examinations of the brain on days one, five and 21, then monthly, until term corrected age. Intraventricular hemorrhage (IVH) was diagnosed in 48 infants, and three had periventricular leukomalacia. Of the 116 infants, 31 had ultrasound abnormalities at term. At 12 to 18 months corrected age 12 infants had cerebral palsy and 38 were classified as suspect; the other 66 were normal. There was a clear association between risk group, based on sonographic findings at term, and outcome. Infants with IVH whose cranial ultrasounds failed to become normal by term corrected age were at higher risk for cerebral palsy than those with normal examinations at term, regardless of the severity of IVH. Thus an abnormal ultrasound at term corrected age was highly predictive of cerebral palsy, especially among survivors of IVH. It remained the best predictor of cerebral palsy, even when other perinatal and neonatal variables were considered. In contrast, duration of mechanical ventilation, rather than sonographic findings, was the best predictor of suspect neuromotor status.
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