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Updated: Mar 2, 2026
Early Pathological and Magnetic Resonance Detection of Cerebral Injury Using a Rat Model of Neonatal Hypoxic Ischemic Encephalopathy
Published on: October 28, 2022
[Magnetic resonance imaging characteristics of encephalopathy of prematurity]
1Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China.
Insights
Encephalopathy of prematurity (EOP) affects 24.9% of preterm infants, with most cases being non-cystic. MRI reveals key lesion distributions, aiding early diagnosis and prognosis of EOP in premature infants.
Area of Science:
- Neonatal Neurology
- Pediatric Radiology
- Neurodevelopmental Disorders
Background:
- Encephalopathy of prematurity (EOP) is a significant concern in neonatal intensive care.
- Understanding MRI findings is crucial for managing EOP in preterm infants.
Purpose of the Study:
- To characterize the MRI manifestations of EOP in a large cohort of preterm infants.
- To identify patterns of lesion distribution associated with EOP.
- To provide insights for early detection, treatment, and prognosis of EOP.
Main Methods:
- Retrospective analysis of MRI and clinical data from 2,718 preterm infants admitted to a NICU.
- Detailed evaluation of MRI findings, including lesion type (cystic vs. non-cystic) and distribution.
- Correlation of MRI findings with clinical data.
Main Results:
- 24.9% of preterm infants exhibited MRI evidence of EOP.
- Non-cystic EOP (78.8%) was more common than cystic EOP (21.2%).
- Lesions predominantly affected periventricular and cerebral lobe white matter, with specific distributions for cystic and non-cystic types.
Conclusions:
- The incidence of EOP in preterm infants is 24.9%, with a higher prevalence of non-cystic forms.
- MRI is effective in identifying EOP and its specific lesion patterns.
- Understanding these MRI patterns can guide clinical management and improve outcomes for preterm infants with EOP.
Abstract:
Objective: To explore the MRI manifestation of encephalopathy of prematurity (EOP), so as to find an access to the early prevention, early diagnosis, effective treatment and prognosis. Methods: A total of 2 718 premature infants were collected, MRI and clinical data were analyzed who were admitted to NICU of Children's Hospital of Fudan University between January 1, 2009 and December 31, 2014. The manifestation and lesions distribution in MRI were analyzed. Results: All the 2 718 preterm infants underwent MRI. 58.8% (1 599/2 718) of which had normal MRI apperance, whereas 24.9% (678/2 718) showed manifestations of EOP.78.8% (534/678) EOP were non-cystic EOP. 21.2% (144/678) EOP were cystic EOP. Periventricular and cerebral lobe white matter were primary distributions of these lesions. Cystic lesions were primarily distributed in the body of periventricular whiter matter (49.3%). However, more non-cystic EOP were found in cerebral parietal lobe whiter matter (25.1%). Non-cystic EOP were also distributed in the body of periventricular whiter matter, frontal lobe and basal ganglia(20.8%, 20.2% and 18.9%, respectively ). Conclusions: The morbidity rate of EOP in preterm infants was 24.9%. 21.2% (144/678) EOP were cystic EOP. 78.8% (534/678) EOP were non-cystic EOP. Cystic lesions were primarily distributed in the body of periventricular whiter matter. Non-cystic EOP were also distributed in the body of periventricular whiter matter, frontal lobe and basal ganglia.
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