• Serial ultrasound examinations were performed on 40 consecutive newborn infants less than 35 weeks' gestational age. Fifteen of 17 infants with intracranial hemorrhage (ICH) had evidence of hemorrhage on the first ultrasound examination (mean age, 1.9± 0.2 hours post partum). Comparing the clinical course of these 15 infants with age- and weight-matched nonhemorrhage controls showed a significant association between the occurrence of early ICH and the pattern of labor. There was no correlation between ICH and the mode of delivery, the use of sodium bicarbonate, volume administration, or the initial BP. In nine of the 15 infants with early-onset ICH, the hemorrhage progressed in severity during the first three postpartum days in association with increasing ventilatory requirements. The results of this study suggest that the course of labor may be a precipitating factor In the onset and evolution of early ICH.
Meidell R, Marinelli P, Pettett G. Perinatal Factors Associated With Early-Onset Intracranial Hemorrhage in Premature Infants: A Prospective Study. Am J Dis Child. 1985;139(2):160–163. doi:10.1001/archpedi.1985.02140040058028
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