Hydrogen-Rich Fluids Protect Lungs from Shock-Related Injury in Rats
Effects of three hydrogen-rich liquids on hemorrhagic shock 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
- Zunmin Du, Haipeng Jia, Jing Liu, Xiaomin Zhao, Wei Xu
- Journal
- Journal of Surgical Research
- Year
- 2014
- PMID
- 25130773
- Study Type
- Rat
- Participants
- 70
- Delivery
- Saline (Dissolved)
- Dose
- Hydrogen-rich Ringer's solution, hydrogen-rich hydroxyethyl starch (H-HES), and hydrogen-rich hypertonic saline/hydroxyethyl starch (H-HSH) administered during resuscitation
- Duration
- 3 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 21 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich solutions used for emergency fluid replacement can help protect the lungs from injury after severe blood loss in rats.
Key Finding
Hydrogen-rich resuscitation fluids reduced lung injury, inflammation, and oxidative stress markers in rats with severe hemorrhagic shock compared to standard resuscitation fluids.
Summary
Researchers tested whether liquids containing dissolved hydrogen could protect rat lungs from injury caused by severe bleeding. Rats that received hydrogen-rich resuscitation fluids showed less lung damage, less fluid buildup in lung tissue, lower levels of inflammatory markers, and better antioxidant activity compared to rats that received standard resuscitation fluids without hydrogen.
Practical Takeaway
This rat study suggests hydrogen may help protect lungs during severe blood loss by reducing inflammation and oxidative damage. However, this is early-stage animal research; human studies would be needed to determine if these findings apply to people in hemorrhagic shock situations.
Abstract (excerpt)
Background Hydrogen-rich saline provides a high concentration of hydrogen which selectively reduces levels of hydroxyl radicals and alleviates acute oxidative stress in many models. We investigated the protective effects and mechanisms of three different hydrogen-rich liquid resuscitation…