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Immediate delivery room interventions for prevention of preterm brain injury: An evidence-based review
Ayman Abou Mehrem1, Michael Dunn2
1Section of Newborn Critical Care, Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada.
Insights
Proper delivery room management is crucial for preventing preterm brain injury in infants born before 32 weeks gestation. Avoiding excessive interventions ensures optimal physiological transition and protects the developing brain.
Area of Science:
- Neonatal Medicine
- Neuroscience
- Perinatology
Background:
- Preterm brain injury is a significant concern with multifactorial causes.
- Management during the immediate postnatal period is critical for very preterm infants (<32 weeks gestation).
- Adverse neurodevelopmental outcomes are linked to brain injury in this vulnerable population.
Purpose of the Study:
- To discuss common delivery room interventions.
- To highlight interventions that may impact the development of preterm brain injury.
- To emphasize the importance of a smooth physiological transition for the infant brain.
Main Methods:
- Review of common delivery room practices.
- Discussion of physiological transition from intrauterine to extrauterine life.
- Analysis of the impact of interventions on cerebral blood flow and oxygenation.
Main Results:
- Disruption of cerebral blood flow and oxygen delivery in early life is a key pathway to injury.
- Specific interventions like vigorous stimulation and excessive respiratory support can be detrimental.
- Avoiding drastic changes in oxygen delivery is essential.
Conclusions:
- Delivery room management is a critical time-point for mitigating preterm brain injury.
- Interventions should focus on achieving smooth thermal, respiratory, and circulatory transition.
- Careful management is required to ensure adequate brain perfusion and oxygenation, preventing germinal matrix hemorrhage and white matter injury.
Abstract:
Preterm brain injury is multifactorial and can occur at any point along the continuum from prenatal to postnatal life. Management in the few minutes after birth plays a critical role in mitigating the development of brain injury and subsequent adverse neurodevelopmental outcome in very preterm infants born at < 32 weeks of gestation. Facilitating a smooth transition from intrauterine to extrauterine life is a complex and time-sensitive team sport that requires preparation and training. Delivery room interventions aim is to achieve smooth thermal, respiratory, and circulatory physiological transition that ensures adequate perfusion and oxygenation of vital organs, particularly, the brain. Disruption of cerebral blood flow and oxygen delivery during the first minutes of life is a key mechanistic pathway leading to germinal matrix hemorrhage and white matter injury. Vigorous stimulation, excessive respiratory pressures and volumes, and drastic changes in oxygen delivery should be avoided. In this article, common interventions in the delivery room that may impact the development of brain injury will be discussed.
