Medical Gas Therapy Shows Promise for Stroke Brain Damage Prevention
- Authors
- Liang Cao, Chen Chen, Wenjun Pi, Yi Zhang, Sara Xue, Voon Wee Yong, Mengzhou Xue
- Journal
- Nitric Oxide: Biology and Chemistry
- Year
- 2025
- DOI
- 10.1016/j.niox.2025.03.002
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Hemorrhagic Stroke
- Body System
- Nervous System
TL;DR
Scientists looked at using special medical gases—like oxygen and other molecules you breathe in—to help treat hemorrhagic strokes (when blood vessels burst in your brain). These gases might protect brain cells and reduce damage, but researchers need to do more studies to figure out the best way to use them safely and make sure they actually work.
Key Finding
Medical gas therapy shows promise for protecting brain tissue in hemorrhagic stroke by reducing inflammation and oxidative stress, but current evidence is limited and safety concerns about neurotoxicity require further investigation.
Summary
This review article examines how medical gases—including hydrogen sulfide, nitric oxide, carbon monoxide, and others—might help treat hemorrhagic stroke (bleeding in the brain). Researchers looked at how these gases could reduce brain damage by controlling inflammation, oxidative stress (cellular damage from unstable molecules), and cell death. While early evidence suggests these gases have protective effects on the brain, the authors note that some medical gases can also be toxic, so more research is needed to determine safe and effective treatment approaches.
Practical Takeaway
This is a review article summarizing existing research rather than a new study with results, so it does not provide direct evidence about hydrogen water's effects. While the review mentions hydrogen sulfide and other medical gases in stroke treatment, it does not specifically evaluate molecular hydrogen or hydrogen water. Anyone interested in hydrogen water for stroke prevention or recovery should await clinical trials with direct evidence in humans.
Abstract
Hemorrhagic stroke (HS) is a neurological disorder caused by the rupture of cerebral blood vessels, resulting in blood seeping into the brain parenchyma and causing varying degrees of neurological impairment, including intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH). Current treatment methods mainly include hematoma evacuation surgery and conservative treatment. However, these methods have limited efficacy in enhancing neurological function and prognosis. The current challenge in treating HS lies in inhibiting the occurrence and progression of secondary brain damage after bleeding, which is a key factor affecting the prognosis of HS patients. Studies have shown that medical gas therapy is gaining more attention and has demonstrated various levels of neuroprotective effects on central nervous system disorders, such as hyperbaric oxygen, hydrogen sulfide, nitric oxide, carbon monoxide, and other inhalable gas molecules. These medical gas molecules primarily improve brain tissue damage and neurological dysfunction by regulating inflammation, oxidative stress, apoptosis, and other processes. However, many of these medical gasses also possess neurotoxic properties. Therefore, the use of medical gases in HS deserves further exploration and research. In this review, we will elucidate the therapeutic effects and study the advances in medical gas molecules in HS.