Hydrogen Gas Fails to Protect Skin Grafts in Rats

Authors
Journal
Journal of Plastic, Reconstructive & Aesthetic Surgery
Year
DOI
10.1016/j.bjps.2019.06.006
Study Type
Rat
Outcome
Neutral
Peer Reviewed
Yes
Country
China
Health Condition
Ischemia-Reperfusion Injury
Body System
Integumentary

TL;DR

Breathing in hydrogen gas before experiencing reduced blood flow and reoxygenation did not prevent tissue damage in rats.

Key Finding

A single one-hour hydrogen gas inhalation session before surgery did not reduce skin tissue damage from loss and restoration of blood flow in rats, with no significant differences in tissue survival rates or blood flow between hydrogen-treated and untreated groups.

Summary

Researchers tested whether breathing hydrogen gas before a surgical procedure could protect skin tissue from damage caused by temporarily cutting off blood supply and then restoring it. In rats, a single one-hour hydrogen breathing session before the procedure did not reduce tissue damage compared to rats that did not receive hydrogen, based on measurements of tissue survival, blood flow, and cellular damage markers.

Practical Takeaway

This rat study suggests that a single, brief hydrogen gas treatment may not be sufficient to protect tissue from ischemia-reperfusion injury, though the findings do not rule out benefits from different dosing schedules, longer treatment periods, or hydrogen delivered at different times. The results are limited to animal models and do not directly apply to human health.

Abstract (excerpt)

Background: Hydrogen gas exists in the atmosphere and was previously considered an inert gas. It has been reported to have protective effects on tissue ischemia-reperfusion (IR) injuries in animal models. The protective mechanism of hydrogen molecules is based on selectively reducing highly strong…

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