Hydrogen Gas Protects Brain After Heart Attack in Animal Study
FDG-PET/CT Assessment of the Cerebral Protective Effects of Hydrogen in Rabbits with Cardiac Arrest
Research hubs: Cardiovascular System · Brain & Nervous System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rabbit)
- Authors
- Guoqing Huang, Xiangmin Li, Yongxiang Tang, Zhengbin Yao, Shuo Hu, Hui Zhou, Xiaoye Mo, Changshou She, Xiaoqin Lu
- Journal
- Current Medical Imaging Formerly Current Medical Imaging Reviews
- Year
- 2022
- PMID
- 35319386
- Study Type
- Rabbit
- Participants
- 15
- Delivery
- Gas
- Duration
- 3 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 5 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen treatment helps protect the brain from damage after a heart stops beating, as shown by brain scans and blood tests in rabbits.
Key Finding
Hydrogen-treated rabbits showed significantly better brain glucose metabolism and lower neurological deficits after cardiac arrest compared to control rabbits, with reduced markers of brain cell injury in the blood.
Summary
Researchers studied whether hydrogen gas could protect the brain after cardiac arrest (when the heart stops) in rabbits. They used a special imaging technique called PET/CT to measure brain activity and also checked blood markers of brain damage. Rabbits treated with hydrogen showed better brain glucose metabolism (energy use), lower neurological damage scores, and less brain tissue damage compared to untreated rabbits.
Practical Takeaway
This early-stage animal study suggests hydrogen gas may have protective effects on the brain after cardiac arrest, but these findings are from rabbits only and have not been tested in humans. Much more research would be needed before any conclusions could be drawn about hydrogen's potential benefits for people recovering from cardiac arrest.
Abstract (excerpt)
Background: Anatomical imaging methods and histological examinations have limited clinical value for early monitoring of brain function damage after cardiac arrest (CA) in vivo. Objective: We aimed to assess the cerebral protective effects of hydrogen in rabbits with CA by using…