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Early Pathological and Magnetic Resonance Detection of Cerebral Injury Using a Rat Model of Neonatal Hypoxic Ischemic Encephalopathy
Published on: October 28, 2022
[Clinical features and magnetic resonance imaging evaluation of encephalopathy in high-risk late preterm infants]
1Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China. chen6010@163.com.
Insights
Encephalopathy of prematurity affects many high-risk late preterm infants, often causing white matter damage. A history of resuscitation is a key risk factor for this condition.
Area of Science:
- Neonatal neurology
- Pediatric neuroimaging
- Perinatal brain injury
Background:
- Late preterm infants are at risk for brain injury.
- Encephalopathy of prematurity (EoP) is a significant concern in this population.
- Understanding risk factors and imaging findings is crucial for early detection.
Purpose of the Study:
- To identify risk factors for encephalopathy in high-risk late preterm infants.
- To describe clinical features associated with EoP.
- To analyze magnetic resonance imaging (MRI) findings in affected infants.
Main Methods:
- Retrospective analysis of 1,007 late preterm infants hospitalized between 2009 and 2014.
- Head MRI scans were performed for infants with high-risk factors for brain injury.
- Statistical analysis, including logistic regression, was used to identify risk factors.
Main Results:
- 31.1% of infants showed imaging features consistent with EoP.
- White matter damage was observed in 76.7% of infants.
- A history of resuscitation was an independent risk factor for EoP (P<0.01).
Conclusions:
- Encephalopathy of prematurity is prevalent in high-risk late preterm infants, with white matter damage being common.
- Resuscitation history is a significant independent risk factor for EoP in this cohort.
- Early identification and management strategies are warranted.
Objective:
To investigate the risk factors, clinical features, and magnetic resonance imaging (MRI) changes of encephalopathy in high-risk late preterm infants.
Methods:
Head MRI scan was performed for late preterm infants with high-risk factors for brain injury who were hospitalized between January 2009 and December 2014. The risk factors, clinical features, and head MRI features of encephalopathy in late preterm infants were analyzed.
Results:
A total of 1 007 late preterm infants underwent MRI scan, among whom 313 (31.1%) had imaging features in accordance with the features of encephalopathy of prematurity. Of all infants, 76.7% had white matter damage. There was no association between the development of encephalopathy and gestational age in late preterm infants, but the detection rate of encephalopathy gradually increased with the increasing birth weight (P<0.05). The logistic regression analysis showed that a history of resuscitation was an independent risk factor for encephalopathy of prematurity (P<0.01).
Conclusions:
Encephalopathy of prematurity is commonly seen in high-risk late preterm infants, especially white matter damage. A history of resuscitation is an independent risk factor for encephalopathy in late preterm infants.
