Hydrogen Gas Protects Newborn Brains from Birth Injury in Animal Study
Molecular hydrogen affords neuroprotection in a translational piglet model of hypoxic-ischemic encephalopathy
Research hubs: Brain & Nervous System · Respiratory System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (pig)
- Authors
- Janos Nemeth, V. Toth-Szuki, V. Varga, V. Kovacs, G. Remzso, F. Domoki
- Journal
- Journal of Physiology and Pharmacology
- Year
- 2016
- Study Type
- Pig
- Delivery
- Gas
- Dose
- 2.1% H2 gas for 4 hours post-asphyxia
- H₂ concentration
- 2.1% H2
- Duration
- 1 day or less
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- Hungary
TL;DR
A study on newborn piglets shows that inhaling hydrogen gas can help protect their brains from damage caused by a lack of oxygen and excess carbon dioxide during birth.
Key Finding
Hydrogen gas treatment after oxygen deprivation preserved brain cell function and reduced neuronal injury across multiple brain regions in piglets, with effects likely mediated by reduced oxidative stress.
Summary
Researchers created a pig model that mimics severe oxygen deprivation in newborns (a condition called hypoxic-ischemic encephalopathy) and tested whether hydrogen gas could protect the brain. After inducing asphyxia in anesthetized piglets, they treated some animals with hydrogen gas mixed with air for 4 hours. Hydrogen-treated piglets showed better recovery of brain electrical activity and less neuronal (brain cell) damage across multiple brain regions compared to controls, with signs that hydrogen reduced oxidative stress (cellular damage from unstable molecules).
Practical Takeaway
This animal study suggests hydrogen gas may have neuroprotective potential in severe oxygen deprivation scenarios, but it is a pig study only and does not yet demonstrate safety or effectiveness in human newborns. Much more research, including human clinical trials, would be needed before any therapeutic application in infants could be considered.
Abstract (excerpt)
Hypoxic-ischemic encephalopathy (HIE) is the major consequence of perinatal asphyxia (PA) in term neonates. Although the newborn piglet is an accepted large animal PA/HIE model, there is no consensus on PA-induction methodology to produce clinically relevant HIE. We aimed to create…