Can hydrogen gas help treat septic shock?

This rat study suggests hydrogen gas inhalation may significantly protect organs during septic shock when combined with standard fluid therapy. The treatment reduced organ damage and inflammation better than fluid therapy alone.

How does hydrogen gas protect organs during sepsis?

Hydrogen gas appears to neutralize harmful free radicals and reduce inflammatory responses that damage organs during sepsis. It also enhances the body's natural antioxidant defenses.

What concentration of hydrogen was used in this study?

Researchers used 2% hydrogen gas that the rats inhaled during treatment. This concentration effectively reduced organ damage when combined with fluid resuscitation.

Is hydrogen inhalation safe for sepsis patients?

While this rat study showed promising results, human clinical trials are needed to confirm safety and effectiveness. Hydrogen therapy has shown good safety profiles in other research areas.

What organs did hydrogen therapy protect in this study?

The study found hydrogen inhalation significantly protected both lung and intestinal tissues from septic shock damage. Both organs showed reduced inflammation, oxidative stress, and tissue damage.

Hydrogen Gas Protects Organs from Septic Shock Damage in Rats

Authors: Wei Liu
Journal: World Journal of Gastroenterology
Year: 2013
DOI: 10.3748/wjg.v19.i4.492
Study Type: Rat
Outcome: Positive
Peer Reviewed: Yes
Country: China
Health Condition: Septic Shock
Body System: Respiratory

TL;DR

Inhaling hydrogen combined with early fluid treatment significantly reduces lung and intestine damage caused by septic shock in rats.

Key Finding

In rats with septic shock, combining early fluid resuscitation with 2% hydrogen gas inhalation significantly reduced tissue damage markers and inflammatory molecules in the lungs and intestines, while fluid resuscitation alone provided minimal protection.

Summary

This rat study tested whether combining early fluid treatment with hydrogen gas inhalation could protect the lungs and intestines during septic shock (a life-threatening infection condition). Researchers found that hydrogen inhalation combined with fluid resuscitation reduced harmful molecules called free radicals and inflammatory markers in lung and intestinal tissues, while boosting the body's natural antioxidant defenses—effects that fluid resuscitation alone did not achieve.

Practical Takeaway

While this rat study suggests hydrogen inhalation may help protect organs during severe infection, it is preliminary animal research and does not establish safety or effectiveness in humans. Much more research, including human clinical trials, would be needed before hydrogen could be considered a treatment for sepsis or septic shock.

Abstract

To study the effects of combined early fluid resuscitation and hydrogen inhalation on septic shock-induced lung and intestine injuries. Wistar male rats were randomly divided into four groups: control group (Group A, n = 15); septic shock group (Group B, n = 15); early fluid resuscitation-treated septic shock group (Group C, n = 15); and early fluid resuscitation and inhalation of 2% hydrogen-treated septic shock group (Group D, n = 15). The activity of hydroxyl radicals, myeloperoxidase (MPO), superoxide dismutase (SOD), diamine oxidase (DAO), and the concentration of malonaldehyde (MDA) in the lung and intestinal tissue were assessed according to the corresponding kits. Hematoxylin and eosin staining was carried out to detect the pathology of the lung and intestine. The expression levels of interleukin (IL)-6, IL-8, and tumor necrosis factor (TNF)-α in lung and intestine tissue were detected by enzyme-linked immunosorbent assay method. The expression levels of Fas and Bcl2 in lung tissues were determined by immunohistochemistry and Western blotting. Septic shock elicited a significant increase in the levels of MDA (10.17 ± 1.12 nmol/mg protein vs 2.98 ± 0.64 nmol/mg protein) and MPO (6.79 ± 1.02 U/g wet tissue vs 1.69 ± 0.14 U/g wet tissue) in lung tissues. These effects were not significantly decreased by Group C pretreatment, but were significantly reduced by Group D pretreatment (MDA: 4.45 ± 1.13 nmol/mg protein vs 9.56 ± 1.37 nmol/mg protein; MPO: 2.58 ± 0.21 U/g wet tissue vs 6.02 ± 1.16 U/g wet tissue). The activity of SOD (250.32 ± 8.56 U/mg protein vs 365.78 ± 10.26 U/mg protein) in lung tissues was decreased after septic shock, and was not significantly increased by Group C pretreatment, but was significantly enhanced by Group D pretreatment (331.15 ± 9.64 U/mg protein vs 262.98 ± 5.47 U/mg protein). Histological evidence of lung hemorrhage, neutrophil infiltration and overexpression of IL-6, IL-8, and TNF-α was observed in lung tissues, all of which were attenuated by Group C and further alleviated by Group D pretreatment. Septic shock also elicited a significant increase in the levels of MDA, MPO and DAO (6.54 ± 0.68 kU/L vs 4.32 ± 0.33 kU/L) in intestinal tissues, all of which were further increased by Group C, but significantly reduced by Group D pretreatment. Increased Chiu scoring and overexpression of IL-6, IL-8 and TNF-α were observed in intestinal tissues, all of which were attenuated by Group C and further attenuated by Group D pretreatment. Combined early fluid resuscitation and hydrogen inhalation may protect the lung and intestine of the septic shock rats from the damage induced by oxidative stress and the inflammatory reaction.