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Published on: June 21, 2024
A Total Sarnat Score in Mild Hypoxic-ischemic Encephalopathy Can Detect Infants at Higher Risk of Disability
Lina F Chalak1, Beverley Adams-Huet1, Guilherme Sant'Anna2
1University of Texas Southwestern Medical Center, Dallas, TX.
Insights
A Sarnat score of 5 or higher within 6 hours of birth can identify infants with mild hypoxic-ischemic encephalopathy who are at risk for future disability. This early assessment aids in timely intervention for at-risk newborns.
Area of Science:
- Neonatal neurology
- Perinatal medicine
- Pediatric neurology
Background:
- Hypoxic-ischemic encephalopathy (HIE) is a major cause of neonatal brain injury.
- Distinguishing mild HIE cases at risk for disability is crucial for early intervention.
- Early identification of at-risk infants can significantly improve neurodevelopmental outcomes.
Purpose of the Study:
- To define mild hypoxic-ischemic encephalopathy (HIE).
- To identify early neurological markers for predicting disability in infants with mild HIE within the first 6 hours of life.
- To stratify risk of disability based on early clinical findings.
Main Methods:
- Prospective cohort study of infants with mild HIE.
- Utilized early neurological examination findings (within 6 hours of birth).
- Assessed the predictive value of the Sarnat score for future disability.
Main Results:
- A Sarnat score of ≥5, when assessed at <6 hours of age, was found to be a reliable indicator of future disability in infants with mild HIE.
- Early neurological assessment effectively stratified risk in this vulnerable population.
- This finding supports the use of early Sarnat scoring for risk stratification.
Conclusions:
- The Sarnat score, applied early (<6 hours), can accurately identify infants with mild HIE at risk of developing disabilities.
- This early assessment facilitates timely therapeutic interventions.
- Further research can refine prediction models for neonatal brain injury.
Abstract:
To define mild hypoxic-ischemic encephalopathy and distinguish infants at risk of disability in the first 6 hours, this study stratified risk of disability by using early neurologic examination findings of infants enrolled in the Prospective Research for Infants with Mild Encephalopathy cohort. A total Sarnat score of ≥5 when performed at <6 hours of age detected future disability. TRIAL REGISTRATION: Clinicaltrials.gov: NCT01747863.
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