Hypoxic-ischemic encephalopathy (HIE) is a prominent cause of neonatal mortality and neurodevelopmental disorders; however, effective therapeutic interventions remain limited. During neonatal hypoxic-ischemic injury events, increased reactive oxygen species (ROS) production and decreased antioxidant levels lead to the induction of oxidative stress, which plays a pivotal role in the pathological process of neonatal HIE. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a key endogenous antioxidant transcription factor that protects against oxidative stress by promoting the transcription of various antioxidant genes. It has been demonstrated that Nrf2 signaling pathway activation by different compounds may protect against neonatal HIE. This review outlines the role of oxidative stress in neonatal HIE and summarizes the impact of antioxidants on neonatal HIE via activation of the Nrf2 signaling pathway. In conclusion, Nrf2 signaling pathway potentially exerts antioxidant, anti-inflammatory, antiapoptotic and antiferroptotic effects, thereby emerging as a focal point for future neonatal HIE treatment strategies.
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http://dx.doi.org/10.31083/j.jin2305103 | DOI Listing |
Early Hum Dev
January 2025
Department of Pediatrics, Division of Neonatology, The Hospital for Sick Children and the University of Toronto, Ontario, Canada. Electronic address:
Objectives: To build an early, prognostic model for adverse outcome in infants with hypoxic ischemic encephalopathy (HIE) receiving therapeutic hypothermia (TH) based on brain magnetic resonance images (MRI), electrophysiological tests and clinical assessments were performed during the first 5 days of life.
Methods: Retrospective study of 182 neonates with HIE and managed with TH. The predominant pattern of HIE brain injury on MRI performed following cooling was scored by neuroradiologists.
Arch Dis Child Educ Pract Ed
January 2025
Paediatric Neurology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.
Neonatal encephalopathy (NE) presents as reduced consciousness, often with seizures, abnormal tone, feeding and respiratory difficulties. The most common cause is secondary to a hypoxic-ischaemic event. However, there are many important diagnoses that can also present as NE, so-called 'hypoxic ischaemic encephalopathy (HIE) mimics'.
View Article and Find Full Text PDFDiagnostics (Basel)
December 2024
Department of Neonatology, Dr. Sami Ulus Maternity and Child Research and Training Hospital, Babur st., Number: 36, Altındag 06080, Turkey.
Background: Vasoactive inotrope score, renal score, fibrosis-5 index, and lactate-albumin ratio have not been investigated before in determining multiple organ dysfunctions accompanying infants with hypoxic-ischemic encephalopathy (HIE) in neonatal intensive care units (NICUs). The aim of this study was to determine whether multiple organ dysfunctions that may accompany HIE in infants are correlated with vasoactive inotrope score (VIS), renal score (RS), fibrosis-5 index (FIB-5), and lactate-albumin ratio (LAR), and whether these parameters can predict morbidity and mortality.
Methods: This is a retrospective study, and 106 newborns diagnosed with HIE and treated with hypothermia were included in the study.
Am J Perinatol
January 2025
Pediatrics, Children's Hospital of Michigan, Detroit, United States.
Objective: To describe feeding outcomes in neonates with hypoxic-ischemic encephalopathy (HIE) and compare characteristics and outcomes in groups discharged home on oral, total/partial nasogastric, and gastrostomy-tube feedings.
Methods: This was a retrospective, single-center cohort study of infants diagnosed with moderate or severe HIE using standard criteria who underwent cooling from January 2017 to June 2022. Data were abstracted from hospital course as well as until 6 months follow-up.
Phytomedicine
January 2025
Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China; Key Laboratory of Rehabilitation, Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou 325024, Zhejiang, China. Electronic address:
Background: Neonatal hypoxic-ischemic encephalopathy (HIE) has a high incidence and mortality rate, representing a significant patient burden. Therefore, treatment strategies that work synergistically with hypothermic therapies are urgently required. Punicalagin (PUN) is a natural and safe polyphenol with anti-inflammatory functions whose excellent water solubility and safety make it an advantageous perinatal medication.
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