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Updated: Jun 14, 2025

A Swine Model of Neonatal Asphyxia

A Swine Model of Neonatal Asphyxia

Published on: October 11, 2011

Brain Diffusion Changes in Perinatal Asphyxia Cases.

F Dogan¹, H Gumus²

¹Department of Radiology, Faculty of Medicine, Harran University, Sanliurfa, Turkey.

Nigerian Journal of Clinical Practice

|August 30, 2024

Summary

This summary is machine-generated.

Severe perinatal asphyxia (PA) in neonates is linked to higher apparent diffusion coefficient (ADC) values in deep brain structures. Diffusion-weighted imaging (DWI) is crucial for assessing brain damage in PA patients.

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The Hypoxic Ischemic Encephalopathy Model of Perinatal Ischemia

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Area of Science:

Neuroimaging
Neonatal Neurology
Radiology

Background:

Prolonged perinatal asphyxia (PA) can lead to hypoxic-ischemic brain injury in newborns.
Understanding diffusion changes in the brain is key to evaluating PA-related damage.

Purpose of the Study:

To investigate brain diffusion changes in neonates with PA.
To correlate these diffusion changes with the severity of brain damage.

Main Methods:

Retrospective analysis of 55 neonates diagnosed with PA (mild and severe groups).
Diffusion MRI scans (3T) performed 5-10 days postnatally after hypothermia treatment.
Apparent Diffusion Coefficient (ADC) values measured in the lentiform nucleus, thalamus, frontal white matter, and internal capsule posterior limbs.

Main Results:

Significantly higher ADC values were observed in the severe PA group compared to the mild PA group.
Elevated ADC values were noted bilaterally in the lentiform nucleus, thalamus, frontal white matter, and posterior internal capsule.

Conclusions:

Diffusion-weighted imaging (DWI) can effectively evaluate brain damage in neonates with severe PA.
DWI is clinically important for assessing brain injury in perinatal asphyxia patients.