Hydrogen Saline Protects Lungs from Oxygen Damage in Rats
Hydrogen-Rich Saline Provides Protection Against Hyperoxic Lung Injury
Research hubs: Respiratory System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Qiang Sun, Jianmei Cai, Shulin Liu, Yun Liu, Weigang Xu, Hengyi Tao, Xue-Jun Sun
- Journal
- Journal of Surgical Research
- Year
- 2011
- PMID
- 21067781
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- 10 mL/Kg hydrogen-rich saline via intraperitoneal injection
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 60 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Breathing in too much oxygen can damage rat lungs, but injecting them with saline containing hydrogen can protect against this damage.
Key Finding
Hydrogen-rich saline protected rat lungs from acute injury caused by excessive oxygen exposure by reducing oxidative stress (cellular damage from reactive molecules), suppressing inflammation, and preventing cell death.
Summary
Researchers tested whether hydrogen-rich saline (salt water containing dissolved hydrogen) could protect rat lungs from damage caused by exposure to too much oxygen. They injected rats with either regular saline, hydrogen-rich saline, or nitrogen-rich saline, then exposed them to high oxygen levels. The hydrogen-rich saline treatment reduced lung damage, swelling, and cell death, and lowered inflammatory markers (immune signals that indicate inflammation) compared to the other treatments.
Practical Takeaway
This is an animal study in rats, so results cannot be directly applied to humans yet. The findings suggest hydrogen may have protective properties against oxygen-related lung injury, but human clinical trials would be needed to determine if hydrogen water or hydrogen-rich saline could help people exposed to high oxygen levels in medical settings.
Abstract (excerpt)
Hydrogen has been proven to be a novel antioxidant through its selectively reducing of the hydroxyl radical. In this study, we investigated the effects of hydrogen-rich saline on the prevention of acute lung injury induced by hyperoxia (HALI) in rats. Physiologic saline, hydrogen-rich saline…