Hydrogen-Rich Saline Protects Brain After Injury in Rat Study
Protective effects of hydrogen-rich saline in a rat model of traumatic brain injury via reducing oxidative stress
Research hubs: Brain & Nervous System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Xituan Ji, Ye Tian, Keliang Xie, Weiping Liu, Yan Qu, Zhou Fei
- Journal
- Journal of Surgical Research
- Year
- 2012
- PMID
- 22475349
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- Different dosages of HS intraperitoneally administered at 5 min after TBI operation
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 57 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline, when injected into rats, can reduce brain damage caused by traumatic brain injury by fighting oxidative stress.
Key Finding
Hydrogen-rich saline reduced brain injury in rats in a dose-dependent manner by increasing the brain's natural antioxidant defenses and decreasing harmful oxidative damage.
Summary
Researchers gave rats with traumatic brain injury (a type of head injury) injections of hydrogen-rich saline—a saltwater solution containing dissolved hydrogen gas. The treatment reduced brain swelling, protected the blood-brain barrier (the membrane that controls what enters the brain), and improved neurological function. The protective effect appeared to work by boosting the brain's natural antioxidant defenses (molecules that protect cells from damage) and reducing harmful reactive oxygen species (unstable molecules that damage cells).
Practical Takeaway
This rat study suggests hydrogen-rich saline may have protective potential for traumatic brain injury, but human studies are needed to determine if these effects translate to people. The findings are preliminary and limited to animal models, so no clinical recommendations can be made at this time.
Abstract (excerpt)
Background: Hydrogen gas (H(2)) has been considered as a novel antioxidant to selectively reduce the toxic reactive oxygen species (ROS) such as hydroxyl radical (•OH) without affecting the other signal ROS. Our recent study shows that H(2) inhalation is beneficial to traumatic brain injury (TBI)…