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Comparison of Intraventricular Hemorrhagic Findings in Preterm Infants Between Brain Ultrasonogram and Magnetic Resonance Imaging at Discharge

Journal of the Korean Pediatric Society 2000;43(4):470-476.
Published online April 15, 2000.
Comparison of Intraventricular Hemorrhagic Findings in Preterm Infants Between Brain Ultrasonogram and Magnetic Resonance Imaging at Discharge
Yong Kuk Kim, Sung Suk Do, Mi Hyun Cho, Sang Geel Lee
Department of Pediatrics, Taegu Fatima Hospital, Taegu, Korea
미숙아의 뇌실내 출혈에 관한 뇌초음파 소견과 퇴원시 시행한 자기공명영상 소견과의 비교 연구
김용국, 도성숙, 조미현, 이상길
대구파티마병원 소아과
Abstract
Purpose
: It has been customary to perform brain ultrasonogram(brain US) for the early detection of intraventricular hemorrhage(IVH) during intensive care of neonates. On the other hand magnetic resonance imaging(MRI) has been greatly restrictioned due to its complicated procedures. This study was conducted to identify changes in neonates' brain structure and to gain basic data for the long-term follow-up of neurologic sequelae in the future. For this purpose, the findings obtained from both brain US performed within one postnatal week and MRI at the time of discharge were compared and analysed.
Methods
: Brain US within one postnatal week and MRI at discharge were carried out on 67 neonates who were discharged from the neonatal intensive care unit of Fatima Hospital from July 01, 1996 to June 30, 1998. We compared and analysed IVH found in the brain US, and focal parenchymal hemorrhage, periventricular leukomalacia(PVL), basal ganglia hemorrhage, and encephalomalacia revealed the MRI performed at discharge.
Results
: It was found that out of 67 cases from the brain US, there were 13 with IVH of Grade Ⅰ & Ⅱ, 11 with IVH of Grade Ⅲ or higher, one with focal parenchymal hemorrhage, and three with PVL. Also the MRI found seven with focal parenchymal hemorrhage, one with basal ganglia hemorrhage, six with PVL, three with encephalomalacia, and one with ventricular dilatation.
Conclusion
: For infants with IVH of Grade Ⅲ or higher, MRI performed at discharge is considered to be very useful in identifying structural parenchymal abnormality and the presence or absence of its associated lesions as well as in carrying out long-term follow-up.
Key Words: IVH, Prematurity, Brain US, MRI


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