Hydrogen Saline Protects Lungs from Ischemia-Reperfusion Injury in Rats
Hydrogen saline is protective for acute lung ischaemia/reperfusion injuries in rats
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 (rat)
- Authors
- Jianxin Shi, Feng Yao, Chenxi Zhong, Xufeng Pan, Yu Yang, Qiang Lin
- Journal
- Heart, Lung, and Circulation
- Year
- 2012
- PMID
- 22738756
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- 0.5 ml/kg/d intraperitoneal injection for 3 days before reperfusion plus immediate administration after reperfusion
- H₂ concentration
- 0.6 mmol/L
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 21 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Breathing in hydrogen-rich saline can help protect rat lungs from damage caused by temporarily stopping and then restarting blood flow.
Key Finding
Hydrogen-rich saline reduced lung damage markers, decreased pulmonary edema (fluid buildup), and preserved blood vessel function in rats experiencing acute lung ischemia-reperfusion injury.
Summary
Researchers tested whether hydrogen-rich saline could protect rat lungs from damage caused by temporarily cutting off blood flow and then restoring it (a condition called ischemia-reperfusion injury). Rats that received hydrogen-rich saline before and after the blood flow was restored showed less lung swelling, lower markers of cellular damage, and better blood vessel function compared to rats that received regular saline. The study suggests hydrogen-rich saline may help reduce lung injury in this type of damage.
Practical Takeaway
This is an early-stage animal study that suggests hydrogen-rich saline may have protective effects against a specific type of lung injury. However, this research was conducted only in rats, and human studies would be needed to determine if these benefits apply to people. The findings are preliminary and should not be interpreted as evidence that hydrogen water provides these protections in humans.
Abstract (excerpt)
Protective effects of saturated hydrogen (H(2)) saline on cardiac ischaemia-reperfusion (I/R) injury have been demonstrated previously. This study was designed to show that hydrogen-rich saline is protective in preventing lung I/R injury in rats. Adult male Sprague-Dawley rats underwent 45 min…