Hydrogen Microbubbles Reduce Heart Damage During Surgery in Rats
Image-Guided Hydrogen Gas Delivery for Protection from Myocardial Ischemia-Reperfusion Injury via Microbubbles
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
- Yingjuan He, Bo Zhang, Yihan Chen, Qiaofeng Jin, Junru Wu, Fei Yan, Hairong Zheng
- Journal
- ACS Applied Materials & Interfaces
- Year
- 2017
- PMID
- 28557412
- Study Type
- Rat
- Delivery
- Medium (Dissolved)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 121 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
A new method using tiny gas-filled bubbles has been developed to deliver hydrogen directly to the heart, reducing damage from interrupted blood flow and its restoration.
Key Finding
In rats, hydrogen-loaded microbubbles significantly reduced heart attack damage and cell death while reducing inflammation and oxidative stress in heart tissue.
Summary
Researchers developed a new way to deliver hydrogen gas to heart tissue during a heart attack. The problem they solved: hydrogen gas doesn't dissolve well in blood, so it's hard to get enough of it to damaged heart tissue. They packaged hydrogen inside tiny bubbles (microbubbles) that can be tracked with ultrasound imaging. In rat experiments, this hydrogen-loaded system reduced heart damage, prevented heart cell death, and decreased inflammation when given at the start of recovery from a heart attack.
Practical Takeaway
This is early-stage research in animals only, not yet tested in humans. While the results are promising for a potential future heart attack treatment, it's important to note this is a specialized medical delivery system under development—not related to drinking hydrogen water. Many years of human testing would be needed before any clinical use.
Abstract (excerpt)
Cardiomyocyte death induced by ischemia-reperfusion is a major cause of morbidity and mortality worldwide. Hydrogen (H2), as an antioxidant, has been shown to have great potentials in preventive and therapeutic applications to the lethal injury that occurs on ischemia-reperfusion. However, H2…