Hydrogen-Rich Saline Reduces Artery Blockage After Balloon Surgery in Rats
Hydrogen-rich saline prevents neointima formation after carotid balloon injury by suppressing ROS and the TNF-α/NF-κB pathway
Research hubs: Cardiovascular System
This research was done in animals. Results in animals often don't carry over to people.

- Evidence type
- Animal study (rat)
- Authors
- Zhe-xue Qin, Pan Yu, De-hui Qian, Ming-bao Song, Hu Tan, Yang Yu, Wei Li, Hang Wang, Jie Liu, Qiang Wang, Xue-jun Sun, Hong Jiang, Jin-kun Zhu, Wei Lu, Lan Huang
- Journal
- Atherosclerosis
- Year
- 2012
- PMID
- 22153150
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- daily injection of hydrogen-rich saline solution
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 44 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
A hydrogen-rich saline solution can help prevent the thickening of artery walls after balloon injury by reducing harmful oxidative stress and inflammation.
Key Finding
Hydrogen-rich saline significantly reduced abnormal tissue growth after balloon injury to rat arteries by suppressing reactive oxygen species and blocking inflammatory signaling pathways.
Summary
Researchers tested whether hydrogen-rich saline (a solution containing dissolved hydrogen gas) could prevent abnormal tissue growth in rat arteries after balloon injury. They found that hydrogen-rich saline reduced this unwanted tissue growth by decreasing harmful molecules called reactive oxygen species and blocking inflammatory pathways in the artery wall.
Practical Takeaway
This rat study suggests hydrogen may help prevent restenosis (re-narrowing of arteries after angioplasty), but human trials are needed to determine if these results apply to people. The study was conducted only in animals, so it represents early-stage research rather than evidence of benefit in humans.
Abstract (excerpt)
Background: Reactive oxygen species (ROS) play a pivotal role in neointima hyperplasia after balloon injury. Molecular hydrogen has emerged as a novel antioxidant and has been proven effective in treating many diseases. Objectives: We aimed to determine the mechanism by which hydrogen affects…