Breathing Hydrogen Gas Protects Lungs from Ventilator Damage

Hydrogen inhalation ameliorates ventilator-induced lung injury

Research hubs: Respiratory System

Evidence type
Animal study (mouse)
Authors
Chien-Sheng Huang, Tomohiro Kawamura, Sungsoo Lee, Naobumi Tochigi, Norihisa Shigemura, Bettina M. Buchholz, John D. Kloke, Timothy R. Billiar, Yoshiya Toyoda, Atsunori Nakao
Journal
Critical Care
Year
2010
DOI
10.1186/cc9389
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
United States
Health Condition
Ventilator-Induced Lung Injury
Body System
Respiratory

This research was done in animals. Results in animals often don't carry over to people.

TL;DR

Inhaling hydrogen gas can significantly reduce lung damage caused by mechanical ventilators used in intensive care.

Key Finding

In mechanically ventilated mice, inhaled hydrogen gas significantly reduced lung swelling, inflammatory cell infiltration, and cell death compared to control treatment.

Summary

Mechanical ventilation (a machine that helps patients breathe in hospitals) can damage the lungs by triggering inflammation and oxidative stress (cellular damage from unstable molecules). Researchers tested whether inhaled hydrogen gas could protect mouse lungs from this damage. Mice on mechanical ventilators that breathed 2% hydrogen showed significantly less lung swelling, fewer inflammatory cells, and less cell death compared to mice breathing regular air, suggesting hydrogen's antioxidant properties helped reduce injury.

Practical Takeaway

This is an early-stage animal study showing hydrogen inhalation may help protect lungs during mechanical ventilation, but results in mice do not directly translate to humans. Much more research, including human clinical trials, would be needed before hydrogen could be considered a therapeutic option for ventilator patients in intensive care settings.

Abstract (excerpt)

Abstract Introduction Mechanical ventilation (MV) can provoke oxidative stress and an inflammatory response, and subsequently cause ventilator-induced lung injury (VILI), a major cause of mortality and morbidity of patients in the intensive care unit. Inhaled hydrogen can act as an antioxidant…

Read the full abstract via DOI