PEDIATRICS Vol. 71 No. 4 April 1983, pp. 541-546
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Incidence, Severity, and Timing of Subependymal and Intraventricular Hemorrhages in Preterm Infants Born in a Perinatal Unit as Detected by Serial Real-Time Ultrasound

Tzipora Dolfin MD1, Martin B. Skidmore MB, MRCP(UK), FRCP(C)1, Katherine W. Fong MB, FRCP(C)1, Elizabeth M. Hoskins MD, FRCP(C)1, and Andrew T. Shennan MB, MRCP(UK), FRCP(C)1

1 From the Regional Perinatal Unit and Department of Radiology, Women's College Hospital, Toronto

Real-time ultrasound scans were performed on 66 low-birth-weight infants within the first six hours of life (mean, two hours), and then at 12, 24, 48, and 72 hours, and thereafter at weekly intervals. All of the infants were born in a perinatal unit. The incidence of intraventricular hemorrhage and subependymal hemorrhage was 31%. Eight of 20 infants had small hemorrhages (Papile, grades I and II); seven infants sustained grade III hemorrhages, and five infants sustained grade Iv hemorrhages. All hemorrhages occurred in the first 72 hours of life; 25% were diagnosed with the first scan (ie, within the first six hours of life). The infants especially at risk were those less than 29 weeks's gestation. Five infants developed progressive posthemorrhagic ventriculomegaly that subsided spontaneously by age 8 weeks. The mortality in the study group was only 4.5%.

Key Words: intraventricular hemorrhage • subependymal hemorrhage • low-birth-weight infants

Submitted on April 16, 1982
Accepted on August 19, 1982




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