Hydrogen-Rich Saline Reduces Lung Injury from Surgery in Rabbits
Hydrogen-Rich Saline Attenuates Lung Ischemia-Reperfusion Injury in Rabbits
Research hubs: Respiratory System · Cardiovascular System
This research was done in animals. Results in animals often don't carry over to people.

- Evidence type
- Animal study (rabbit)
- Authors
- Hui Li, Ronghua Zhou, Jin Liu, Qian Li, Jingyu Zhang, Jinglan Mu, Xue-Jun Sun
- Journal
- Journal of Surgical Research
- Year
- 2012
- PMID
- 22225976
- Study Type
- Rabbit
- Delivery
- Saline (Dissolved)
- Dose
- 5 mL/kg hydrogen-rich saline intraperitoneal injection 10 min before reperfusion
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 24 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline, when injected into rabbits, helps protect their lungs from damage caused by temporarily stopping and then restarting blood flow.
Key Finding
Hydrogen-rich saline administered before reperfusion significantly reduced lung injury in rabbits by decreasing oxidative damage (cellular stress from harmful molecules) and limiting immune cell infiltration.
Summary
Researchers tested whether hydrogen-rich saline (a salt water solution containing dissolved hydrogen gas) could protect rabbit lungs from damage caused by temporarily cutting off blood supply and then restoring it—a common problem during lung surgery. They found that rabbits given hydrogen-rich saline before blood flow was restored had better oxygen levels, less tissue damage, and reduced inflammation compared to rabbits given regular saline.
Practical Takeaway
This early-stage animal study suggests hydrogen-rich saline may protect lungs during surgical procedures involving temporary blood flow interruption, but human studies are needed to determine if this benefit applies to people. The findings are preliminary and should not be interpreted as evidence that hydrogen water provides similar protection in everyday use.
Abstract (excerpt)
Hydrogen gas, an antioxidant agent, was found to protect against cerebral and myocardial ischemia-reperfusion (I/R) injury. In the present study, we investigated the effect of hydrogen-rich saline (HRS) on the I/R-induced lung injury. Left lung of male New Zealand White rabbits rendered…