Breathing Hydrogen Gas Reduces Lung Damage After Chest Injury in Mice

Authors
Journal
Surgery
Year
DOI
10.1016/j.surg.2023.04.029
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
Japan
Health Condition
Lung Contusion
Body System
Respiratory

TL;DR

Breathing in hydrogen gas can significantly reduce lung inflammation and damage caused by blunt chest trauma in mice.

Key Finding

Mice that inhaled 1.3% hydrogen gas after blunt chest trauma showed significantly reduced lung inflammation, less tissue damage, and improved oxygenation compared to mice that breathed regular air.

Summary

Researchers used mice to test whether breathing hydrogen gas could help reduce lung damage from blunt chest trauma. Mice that breathed a mixture containing 1.3% hydrogen gas after a chest injury showed less bleeding, swelling, and inflammation in their lungs compared to mice that breathed regular air, and they also had better oxygen levels in their blood.

Practical Takeaway

This early evidence from mouse studies suggests that hydrogen gas inhalation may help reduce inflammatory damage from chest trauma, but this is preliminary research in animals only. Much more work—including human studies—would be needed before hydrogen inhalation could be considered a treatment for lung injuries in people.

Abstract (excerpt)

Background: Lung contusion caused by blunt chest trauma evokes a severe inflammatory reaction in the pulmonary parenchyma that may be associated with acute respiratory distress syndrome. Although hydrogen gas has antioxidant and anti-inflammatory effects and is protective against multiple types…

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