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Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
Published on: November 20, 2015
Association between severe retinopathy of prematurity (ROP) and poor motor neurodevelopmental outcome
Swathi Godugu1, Sunil Akshara Vudugula2, Bandana Neupane3
1Department of General Medicine, Zaporozhye State Medical University, Zaporozhye, Ukraine.
Insights
Protecting developing brains and retinas in premature infants is crucial. Interventions like preventing prematurity and controlling preeclampsia can reduce risks of serious conditions like retinopathy of prematurity.
Area of Science:
- Neonatal development
- Ophthalmology
- Neuroscience
Background:
- The third trimester is a critical period for fetal development, particularly for the brain (cerebral cortex and cerebellum) and the retina.
- These developing structures are highly vulnerable to environmental insults, which can lead to long-term neurodevelopmental and visual impairments.
- Conditions like prematurity and preeclampsia pose significant risks to these developing organs.
Purpose of the Study:
- To highlight the vulnerability of the fetal brain and retina during the third trimester.
- To emphasize the importance of interventions in preventing adverse outcomes.
- To discuss the consequences of interrupted development and the management of retinopathy of prematurity.
Main Methods:
- Review of developmental vulnerabilities during the third trimester.
- Analysis of factors influencing neurodevelopment and retinal development.
- Discussion of treatment modalities for retinopathy of prematurity.
Main Results:
- Prematurity prevention, preeclampsia control, and judicious use of oxygen/ventilation are key to reducing retinopathy of prematurity (ROP) incidence and severity.
- Impaired cortical development is linked to neurodevelopmental defects and smaller brain volumes in childhood and adolescence.
- Reduced cerebellar volumes correlate with increased risks of autism spectrum disorder, motor deficits, executive dysfunction, and cognitive impairments.
Conclusions:
- Early neurodevelopmental and retinal vulnerabilities necessitate protective strategies.
- Effective management of ROP requires comprehensive treatment of the entire retina, including avascular and peripheral zones, to prevent disease progression and ensure favorable outcomes.
- Interventions targeting the third-trimester environment are crucial for long-term infant health.
Abstract:
During the final (third) trimester outside of the womb, the retina develops significantly and is vulnerable to problems. Similar to how the cerebral cortex does, the cerebellum also grows quickly during this time and is susceptible to upsetting environmental influences. The only factors that show promise for lowering the incidence and retinopathy of prematurity (ROP) severity among high-risk infants are prematurity prevention, preeclampsia control, and prudent use of oxygen therapy and ventilation. The third trimester is when the cerebral cortex, cerebellum, and retina develop. These areas are vulnerable to environmental influences if their development is interrupted. Throughout childhood and adolescence, neurodevelopmental defects have been linked to impaired cortical development and smaller brain volumes. Reduced cerebellar volumes have been linked to an increased risk of autism spectrum disorder, lower motor performance, impaired executive functioning, and poorer cognitive outcomes. The complete avascular retina, as well as the peripheral retina, should be treated during retinal ablation with laser photocoagulation (using a transpupillary diode, 11 argon, and three FD-YAG) or cryoablation as failing to do so promotes disease progression and results in unfavorable anatomical and refractive outcomes.

